CN206203778U - A kind of ring body formula mosquito net lifter - Google Patents

Abstract

The utility model is related to hang attachment lowering or hoisting gear technical field, refers specifically to a kind of ring body formula mosquito net lifter；Including frame, the frame has top board and base plate, is equipped with central shaft between top board and base plate vertically, and frame is provided with the clutch lowering or hoisting gear for driving central shaft to move up and down；The central shaft be provided with female wheel component, drive gear and linkage disk, the side of frame is provided with ring body support, the lower end of ring body support is fixedly connected with base plate, is provided with ring body support between the sub- wheel assembly that can be horizontally rotated, and sub- wheel assembly and linkage disk and is connected with transmission belt；Bus wheel of the present utility model and sub-line wheel are in close elevation plane and near ceiling plane, the friction interference probability between pull rope and female wheel component, sub- wheel assembly can effectively be reduced, make overall operation more smooth, the integrally-built flattening of lifter is conducive to design, disassembly, cleaning convenience and safety in utilization are improved, stabilization simple for structure, is had wide range of applications.

Description

A kind of ring body formula mosquito net lifter

Technical field

The utility model is related to hang attachment lowering or hoisting gear technical field, refers specifically to a kind of ring body formula mosquito net lifter.

Background technology

Mosquito net is that we spend the common articles for use of hot summer, and it can effectively prevent biting for mosquito.Relative to killing Worm agent and mosquito-repellent incense, the use of mosquito net have the advantages that environmental protection, health and safety, low-carbon (LC) low cost.Exist on the market various The mosquito net of type, such as traditional mosquito net, it uses Corner Strapped point hang, and for example the mosquito net of mobile edition, and it passes through can Folding frame is supported, and both mosquito nets have respective advantage and disadvantage, simple structure but operation inconvenience in use.To have Effect improves the Discussing Convenience of Usage of bednets, the elevating mechanism operation of various mosquito nets and gives birth to, and is very easy to mosquito net in daily Use, such as the Chinese invention patent of publication number CN104444885A, it discloses a kind of balance lifting device, including support, Gu Due to the fixing axle on support, the fixing axle top is provided with drive mechanism, and fixing axle bottom is provided with line wheel component, the driving Clutch is provided between mechanism and line wheel component, the line wheel component includes some twisted rope disks, the twisted rope disk and clutch Overload separation mechanism is provided between structure, it can effectively realize the functions such as mosquito net balance lifting, parked, automatic adjustable balance.But Prior art still cannot solve the problems, such as mosquito net integral elevating, so that the repetition of inconvenient mosquito net, veiling in daily cleaning Problem is removed and installed, and the drive mechanism of lifter is arranged vertically, twisted rope disk moves towards there is drop with installation furred ceiling with cable, makes Easily there is the friction kinking problem of cable during.Therefore, prior art has yet to be improved and developed.

The content of the invention

The purpose of this utility model is the defect and deficiency for prior art, there is provided a kind of compact conformation, structure are flat It is graduation, easy to operate, the balance lifting of mosquito-net body can be effectively realized, parked, automatic adjustable balance can realize mosquito again Account, veiling integral elevating greatly facilitate cleaning, installation, the ring body formula mosquito net of later maintenance to the appropriate height for smoothly touching Lifter.

To achieve these goals, the utility model uses following technical scheme：

A kind of ring body formula mosquito net lifter described in the utility model, including frame, the frame have between the upper and lower every setting It is fixedly connected by some vertical rods between the top board and base plate, and top board and base plate put；Worn vertically between the top board and base plate Central shaft is provided with, frame is provided with the clutch lowering or hoisting gear for driving central shaft to move up and down；The upper, middle and lower portion of the central shaft according to It is secondary to be provided with female wheel component, drive gear and the linkage disk that horizontally rotated, it is connected with monodirectional locking between female wheel component and frame Device, is connected with the first unilateral bearing between drive gear and central shaft, first is connected between linkage disk and the vertical rod of surrounding Fixing bearing, and drive gear is provided with the transmission component coordinated with one-way locking device, linkage disk；The side of the frame sets The lower end for having ring body support, ring body support is fixedly connected with base plate, and the sub- wheel assembly that can be horizontally rotated is provided with ring body support, and Transmission belt is connected between sub- wheel assembly and linkage disk.

According to above scheme, the sub- wheel assembly includes the round bobbin shaft being vertically arranged, and is set with successively on circle bobbin shaft The overload separation device of spring and hoodle composition is provided between some sub-line wheels, and sub-line wheel and circle bobbin shaft；Cylinder The two ends of axle are connected with ring body support and base plate respectively by horizontal bearing, and the lower end of circle bobbin shaft is provided with sub- shaft pulley, son Shaft pulley is connected by transmission belt and then with linkage disk.

According to above scheme, the female wheel component includes cylinder mother's axle and bus wheel, and cylinder mother's axle is rotationally arranged in Between bus wheel and central shaft, the one-way locking device coordinated with bus wheel is provided between the upper end of cylinder mother's axle and frame；Institute The lower end for stating cylinder mother's axle is provided with lower tray, is connected with spring bearing between lower tray and the vertical rod of its surrounding, and lower tray with Transmission component coordinates drive connection.

According to above scheme, the one-way locking device includes the clutch discs that can be moved up and down along some vertical rods, clutch discs It is provided with the second unilateral bearing and cylinder mother's axle upper end is fixedly connected with the second unilateral bearing, if is provided between clutch discs and top board Dry support spring；The upper platen coordinated with lower tray is provided between the clutch discs and bus wheel, upper platen is consolidated with cylinder mother's axle Fixed connection；The central shaft is provided with the stroke reed of clutch discs cooperation, and stroke reed is accordingly located at cylinder mother's axle lower surface And drive gear between.

According to above scheme, the lower tray is provided with through hole, and the lower end of cylinder mother's axle is arranged in the through hole of lower tray And it is connected with driving key between cylinder mother's axle and lower tray；Between the upper platen and bus wheel, between lower tray and bus wheel It is equipped with silica gel friction plate.

According to above scheme, the clutch lowering or hoisting gear includes the guiding ring gear being fixedly arranged on base plate, the lower end of central shaft It is provided with and can be provided between the upper end of central shaft and top board and gearshift cross bar cooperation along the gearshift cross bar that ring gear horizontally rotates is oriented to Positioning stage clip.

According to above scheme, the guiding ring gear is provided with two groups of end to end pressure fluctuating orbits, forces lift rail Road includes the low level working face, high-order working face and the middle position working face that set gradually, and low level working face, high-order working face and in Smooth transition surface is respectively connected between the working face of position；The two ends of the gearshift cross bar are arranged in corresponding pressure fluctuating orbit respectively It is interior, and then gearshift cross bar is moved up and down along pressure fluctuating orbit when horizontally rotating.

According to above scheme, the transmission component includes some driving levers set along same circumference equi-angularly space, some groups Bar is arranged on drive gear vertically, and driving lever upper end is provided with the one-way driving mechanism coordinated with female wheel component, the linkage disk Upper surface is provided with some linkage tips, and driving lever lower end coordinates drive connection with some linkage tips.

According to above scheme, the one-way driving mechanism includes female basin transmission tip and mainshaft gear linkage basin, female basin transmission The tip is fixedly arranged on the bottom surface of lower tray, mainshaft gear linkage basin be rotationally arranged in female basin transmission tip rotary motion trace and with drive Moving gear is fixedly connected, and the second fixing bearing is provided between mainshaft gear linkage basin and central shaft；The mainshaft gear linkage basin Outer edge surface is provided with some open slots, and some open slots are set along the periphery equi-spaced apart of mainshaft gear linkage basin, in open slot The movable blocking arm of eccentric rotation is provided with, the upper end of some driving levers corresponds and is arranged in open slot, and driving lever and active catch The turning end of arm is hinged, and the eccentric end of movable blocking arm and female basin transmission tip coordinate transmission, and the eccentric end of movable blocking arm with drive Reduction torsion spring is provided between gear.

According to above scheme, the frame is provided with bead back-up ring, and bead back-up ring is corresponding to be movably connected in drive gear In the vertical rod of surrounding, bead back-up ring is set for open ring structure, and the vertical rod at bead back-up ring opening is provided with tooth sector, turns to Dynamic pelletron is connected between gear and drive gear.

The utility model has the beneficial effect that：The utility model is rational in infrastructure, and drive gear passes through center in reversing mode Axle drives gearshift cross bar to rotate, and gearshift cross bar forces up and down with switch operating plane by the effect of guiding ring gear, under normal conditions Gearshift cross bar is limited in the low level working face for forcing fluctuating orbit by positioning stage clip, and now integrated model is flat in self-locking Weighing apparatus state；

Four kinds of patterns that drive gear exists when different working faces works：

First, the drive gear under normality is in low level working face, and driving lever lower end connects with the linkage tip transmission on linkage disk Connect, bus wheel realizes reversion locking by one-way locking device；Drive gear drives the son on circle bobbin shaft by sub- shaft pulley Line wheel is rotated forward so that the account body of mosquito net rises；After required height is raised to account, the external force revocation on drive gear, sub-line wheel The reversal effect power produced by account body Action of Gravity Field is conducted to central shaft, changes via driving lever, drive gear and the first unilateral bearing Gear cross bar and guide gear；Due to positioning the suppressing action of stage clip, have between gearshift cross bar and the low level orbital plane of guiding ring gear There is the frictional resistance of horizontal direction, reversal effect power reaches poised state so as to realize the self-locking of sub-line wheel with frictional resistance.

Second, drive gear reversion drives the gearshift cross bar on central shaft to enter low level and works towards high-order working face transition During face, drive gear and driving lever rise therewith, and driving lever lower end separates with sub-line wheel linkage disk, and sub-line wheel can be in the work of account body gravity With lower reversion so that account body declines；The reversion pulling force on drive gear is then cancelled, gearshift cross bar is under positioning stage clip effect Low level working face is slipped back under automatic, drive gear and driving lever thereon re-establish drive connection with linkage disk, so that sub Line wheel is relocked.

3rd, when drive gear is switched to high-order working face, the stroke reed on central shaft promotes cylinder mother's axle to rise, and makes Upper platen rises with clutch discs along vertical rod, upper platen, is separated between bus wheel, lower tray so as to one-way locking device discharges bus Wheel makes it freely to be rotated in cylinder mother's axle, veiling, support and mosquito net is integrally fallen under Action of Gravity Field；

4th, during drive gear switching middle position working face, stroke reed release cylinder mother's axle declines clutch discs, supports bullet Spring drives upper platen downward actuation to coordinate clamping bus wheel with lower tray, and now bus wheel is limited not by the second unilateral bearing Can reversion；And the movable blocking arm of driving lever upper end is driven tip engaged transmission with female basin, now drive gear is rotated forward and can drive bus wheel And then lift veiling support height needed for；External pull is now cancelled, cylinder mother's axle is turned by the unidirectional of the second unilateral bearing Dynamic property makes female wheel component return to self-locking state.

Sub- wheel assembly of the present utility model and female wheel component are arranged respectively in frame and ring body support, bus wheel and sub-line In the close elevation plane and near ceiling plane, pull rope on bus wheel is by the pulley that is fixed on furred ceiling face for wheel The veiling support of group connection mosquito net, the pull rope on sub-line wheel connects the account body of mosquito net by the assembly pulley on veiling support, can Pull rope and the interference probability of the friction between female wheel component, sub- wheel assembly are effectively reduced, makes overall operation more smooth, be conducive to The integrally-built flattening design of lifter, realizes mosquito-net body, veiling, the up and down balance system regulation of integral support and arbitrary height It is parked, difficulty is removed and installed when facilitating user's suspension height regulation overall to mosquito net, reducing daily cleaning, improve dismounting clear Convenience and safety in utilization are washed, terminal with compact integral structure is stablized, had wide range of applications.

Brief description of the drawings

Fig. 1 is whole interior structural representation of the present utility model；

Fig. 2 is A portions mplifying structure schematic diagram in Fig. 1；

Fig. 3 is transmission component part planar structural representation of the present utility model；

Fig. 4 is guiding toothed ring section deployed configuration schematic diagram of the present utility model.

In figure：

1st, frame；2nd, central shaft；3rd, female wheel component；4th, sub- wheel assembly；5th, drive gear；6th, one-way locking device；7th, pass Dynamic component；11st, top board；12nd, base plate；13rd, vertical rod；21st, clutch lowering or hoisting gear；22nd, it is oriented to ring gear；23rd, gearshift cross bar；24th, it is fixed Position stage clip；25th, fluctuating orbit is forced；29th, stroke reed；31st, bus wheel；32nd, cylinder mother's axle；33rd, upper platen；34th, support shaft Hold；35th, female basin transmission tip；36th, driving key；41st, the first fixing bearing；42nd, circle bobbin shaft；43rd, sub-line wheel；44th, link disk； 45th, link the tip；46th, sub- shaft pulley；47th, horizontal bearing；48th, ring body support；49th, transmission belt；51st, the first unilateral bearing；52nd, it is main Shaft gear linkage basin；53rd, the second fixing bearing；54th, open slot；55th, tooth sector；56th, power pelletron；57th, bead back-up ring； 61st, the second unilateral bearing；62nd, clutch discs；63rd, support spring；64th, lower tray；65th, silica gel friction plate；71st, driving lever；72nd, activity Blocking arm；73rd, reduction torsion spring.

Specific embodiment

The technical solution of the utility model is illustrated with embodiment below in conjunction with the accompanying drawings.

As Figure 1-4, a kind of ring body formula mosquito net lifter described in the utility model, including frame 1, the frame 1 With being fixedly connected by some vertical rods 13 between spaced top board 11 and base plate 12, and top board 11 and base plate 12 up and down； Central shaft 2 is equipped between the top board 11 and base plate 12 vertically, frame 1 is provided with the clutch for driving central shaft 2 to move up and down Lowering or hoisting gear 21；The upper, middle and lower portion of the central shaft 2 is sequentially provided with female wheel component 3, drive gear 5 and the linkage that can be horizontally rotated Disk 44, is connected with one-way locking device 6 between female wheel component 3 and frame 1, first is connected between drive gear 5 and central shaft 2 Unilateral bearing 51, the first fixing bearing 41 is connected between linkage disk 44 and the vertical rod 13 of surrounding, and drive gear 5 be provided with The transmission component 7 that one-way locking device 6, linkage disk 44 coordinate；The side of the frame 1 is provided with ring body support 48, ring body support 48 lower end is fixedly connected with base plate 12, is provided with the sub- wheel assembly 4 that can be horizontally rotated in ring body support 48, and sub- wheel assembly 4 with Transmission belt 49 is connected between linkage disk 44；The frame 1 and ring body support 48 are installed on top surface for main body frame is fixed on, ring Body support frame 48 is in the attaching structure that the periphery of frame 1 is in satellite shape, and sub- wheel assembly 4 is relative with female wheel component 3 on ring body support 48 Ground is in close plane and respectively close to installation top surface, and the pull rope of female wheel component 3 connection veiling support is whole to realize mosquito net The lifting of body is parked, and the pull rope connection account body footing on sub- wheel assembly 4 simultaneously controls its lifting parked；The He of female wheel component 3 Pull rope on sub- wheel assembly 4 is realized turning to connection respectively by assembly pulley, by split type ring body support 48 and frame 1 Flattening is laid out, and can be rubbed to female wheel component 3 and the shadow of sub- wheel assembly 4 caused by pull rope deflecting when effectively reducing mechanism is run Ring, and be easy to the dismounting in later stage to safeguard, improve the stability that lifter is integrally used.

Above-mentioned clutch lowering or hoisting gear 21 drives central shaft 2 and the one of drive gear 5 up and down so as to switch lifter Mode of operation, specifically, female wheel component 3 can horizontally rotate in frame 1 and central shaft 2, due to one-way locking device 6 Limitation, female wheel component 3 under normal conditions in reversion locking mode, in middle level, drive gear 5 can drive female wheel group during working face Part 3 is rotated forward, and veiling support and mosquito net is risen overally；Cut off when one-way locking device 6 and during connection between female wheel component 3, Female wheel component 3 can be inverted so that veiling support entire lowering；Transmission component 7 and linkage disk on drive gear 5 under normality 44th, there is drive connection between transmission belt 49, sub- wheel assembly 4, the first fixing bearing 41 then links disk 44 in machine for two-way bearing On frame 1 can bidirectional rotation, and drive gear 5 is limited by the first unilateral bearing 51 and can not inverted on central shaft 2, so that logical Crossing above-mentioned drive connection makes sub- wheel assembly 4 keep reversion self-locking state, and now rotate forward then can be with mover wheel assembly for drive gear 5 4 rotate forward, revocation be applied on drive gear 5 rotate forward power after sub- wheel assembly 4 achievable self-locking it is parked；The clutch lifting The effect of device 21 is to drive moving up and down for central shaft 2 and drive gear 5, and by limiting the reversion reality of central shaft 2 The reversion of existing sub- wheel assembly 4 is parked；The utility model can respectively drive female wheel component by the cooperation between above-mentioned each mechanism 3 and sub- wheel assembly 4 rotating forward realizing the lifting of veiling support or mosquito net, and the veiling support under self-locking poised state and mosquito Account is parked under arbitrary height.

The sub- wheel assembly 4 includes the round bobbin shaft 42 being vertically arranged, and some sub-lines are set with successively on circle bobbin shaft 42 The overload separation device of spring and hoodle composition is provided between wheel 43, and sub-line wheel 43 and circle bobbin shaft 42；The round bobbin shaft 42 two ends are connected with ring body support 48 and base plate 12 respectively by horizontal bearing 47, and the lower end of circle bobbin shaft 42 is provided with sub- axle Belt wheel 46, sub- shaft pulley 46 is connected by transmission belt 49 and then with linkage disk 44；The horizontal bearing 47 is two-way bearing, Then justify bobbin shaft 42 to horizontally rotate between ring body support 48 and base plate 12, and circle bobbin shaft 42 passes through overload separation device band The one of mover line wheel 43 is linked, and drive gear 5 is connected by transmission component 7 in low level working face with linkage disk 44, and By transmission belt 49 with mover shaft pulley 46 and circle bobbin shaft 42, drive gear 5 is rotated forward and drives some sub-line wheels linkage disk 44 43 each tie point for rotating lifting mosquito net, and some sub-line wheels 43 are connected on round bobbin shaft 42 by overload separation device, When there is card line problem or reaches the limit of height in any tie point of mosquito net, overload separation device disconnect correspondence sub-line wheel 43 with The connection of circle bobbin shaft 42, so as to realize the corrdinated adjustment function between some sub-line wheels 43.

The female wheel component 3 includes cylinder mother's axle 32 and bus wheel 31, and cylinder mother's axle 32 is rotationally arranged in bus wheel Between 31 and central shaft 2, the one-way locking device 6 coordinated with bus wheel 31 is provided between the upper end of cylinder mother's axle 32 and frame 1； The lower end of the cylinder mother's axle 32 is provided with lower tray 64, and spring bearing is connected between lower tray 64 and the vertical rod 13 of its surrounding 34, and lower tray 64 coordinates drive connection with transmission component 7；The lower tray 62 by spring bearing 34 can in frame 1 water Flat turn move, one-way locking device 6 in frame 1 with one-directional rotation characteristic, when one-way locking device 6 coordinate lower tray 64 with The connection of bus wheel 31 realizes that one links, and bus wheel 31 can only be rotated forward in frame 1, and now bus wheel 31 is in and rotates self-locking State and then make veiling support residing highly parked, and work as drive gear 5 and drive lower tray 64 to rotate forward by transmission component 7 When, bus wheel 31 is rotated forward so as to drive veiling support to rise therewith；And bus wheel 31 is to be rotatably assorted with cylinder mother's axle 32, unidirectionally Locking device 6 leaves lower tray 64 so as to release being linked and bus wheel 31 between, bus wheel 31 can freely invert so as to Veiling support is set to decline under gravity.

The one-way locking device 6 includes the clutch discs 62 that can be moved up and down along some vertical rods 13, and clutch discs 62 are provided with The second unilateral bearing 61 and upper end of cylinder mother's axle 32 is fixedly connected with the second unilateral bearing 61, sets between clutch discs 62 and top board 11 There are some support springs 63；The upper platen 33 coordinated with lower tray 64, upper pressure are provided between the clutch discs 62 and bus wheel 31 Disk 33 is fixedly connected with cylinder mother's axle 32；The clutch discs 62 are connected in some vertical rods 13 by hole axle, so that its Can be moved up and down in frame 1 but can not rotated, cylinder mother's axle 32 by the second unilateral bearing 61 can in clutch discs 62 level Rotate；Support spring 63 drives the downward actuation of clutch discs 62, upper platen 33 to coordinate the clamping bus of lower tray 64 wheel 31 under normal conditions The female wheel component 3 for making it that one linkage is formed with cylinder mother's axle 32, the lower end of cylinder mother's axle 32 can be positive and negative two-way with lower tray 64 Rotate, and the limitation of the one-directional rotation of the second unilateral bearing 62 makes bus wheel 31 be in reversion self-locking state, so that veiling support Realize the parked of arbitrary height；The central shaft 2 is provided with the stroke reed 29 of the cooperation of clutch discs 62, and stroke reed 29 is accordingly Between the lower surface of cylinder mother's axle 32 and drive gear 5；The stroke reed 29 is used to drive cylinder mother's axle 32 to rise, so that Release platen 33 and lower tray 64 to be linked the clamping of bus wheel 31, stroke reed 29 is in clutch lowering or hoisting gear 21 The lower and one linkage from top to bottom of central shaft 2 is driven, so as to coordinate one-way locking device 6 to release the locking to bus wheel 31；Work as clutch When disk 62 rises the interaction relation for releasing female wheel component 4, bus wheel 31 can be inverted in cylinder mother's axle 32, so that veiling support Freely decline under gravity.

The lower tray 64 is provided with through hole, and the lower end of cylinder mother's axle 32 is arranged in the through hole of lower tray 64 and cylinder is female Driving key 36 is connected between axle 32 and lower tray 64；Between the upper platen 33 and bus wheel 31, lower tray 64 and bus wheel Silica gel friction plate 65 is equipped between 31；The lower end of the cylinder mother's axle 32 can up or down be arranged in the through hole of lower tray 64 Interior, the lower end of cylinder mother's axle 32 and is horizontally rotated with it by driving key 36 and is connected through the through hole of lower tray 64, support spring 63 When driving 62 downward actuation of clutch discs, cylinder mother's axle 32 drives upper platen 33 to coordinate the clamping bus of lower tray 64 wheel 31, upper platen Silica gel friction plate 65 between 33 and lower tray 64 is used to improve frictional drive coefficient, it is ensured that the self-locking of one-way locking device 6 is steady It is qualitative, drive lower tray 64 to rotate forward by transmission component 7 when drive gear 5 is rotated forward, its torque passes through driving key 36, cylinder mother's axle 32 pass to platen 33, so as to clamp and drive bus wheel 31 to be rotated forward on the second unilateral bearing 61 and spring bearing 34.

The clutch lowering or hoisting gear 21 includes the guiding ring gear 22 being fixedly arranged on base plate 12, and the lower end of central shaft 2 is provided with can Along the gearshift cross bar 23 that ring gear 22 horizontally rotates is oriented to, it is provided between the upper end of central shaft 2 and top board 11 and is matched somebody with somebody with gearshift cross bar 23 The positioning stage clip 24 of conjunction；The guiding ring gear 22 is provided with two groups of end to end pressure fluctuating orbits 25, forces fluctuating orbit 25 include the low level working face, high-order working face and the middle position working faces that set gradually, and low level working face, high-order working face and in Smooth transition surface is respectively connected between the working face of position；The two ends of the gearshift cross bar 23 are arranged in corresponding pressure lift rail respectively In road 25, and then gearshift cross bar 23 is set to be moved up and down along pressure fluctuating orbit 25 when horizontally rotating；The clutch lifting dress The effect for putting 21 is to promote central shaft 2 and drive gear thereon 5, stroke reed 29 to move up and down, and positions stage clip 24 pairs Gearshift cross bar 23 applies downward active force, makes it and is oriented to the frictional resistance of the generation horizontal direction of ring gear 22, and the friction hinders Power makes gearshift cross bar 23 that stabilization is kept on fluctuating orbit 25 is forced under normal conditions, so that the structure of central shaft more than 2 is in Self-locking poised state；The reversion of the drive gear 5 drives central shaft 2 to rotate, and gearshift cross bar 23 is along pressure fluctuating orbit about 25 Action is transferred to different working faces, and central shaft 2 and the different working face of the correspondence of drive gear 5 have Three models, low level work When making face, the transmission component 7 on drive gear 5 is connected with sub- wheel assembly 4, one-way locking device 6 and clutch lowering or hoisting gear The 21 self-locking balances for realizing female wheel component 3 and sub- wheel assembly 4 respectively；During high-order working face, stroke reed 29 drives monodirectional locking Device 6 opens locking, bus wheel 31 is freely inverted, while sub- wheel assembly 4 is in state free to rotate；Middle position working face When, stroke reed 29 is fallen after rise, and bus wheel 31 is locked one linkage by one-way locking device 6, and transmission component 7 drives bus wheel 31 Rotate forward and realize lifting, and drive gear 5 stops operating, one-way locking device 6 keeps limiting the reversion of bus wheel 31, so that Realize the parked purpose of veiling support.

As shown in Figure 2 and Figure 3, the transmission component 7 includes some driving levers 71 set along same circumference equi-angularly space, if Dry driving lever 71 is arranged on drive gear 5 vertically, and the upper end of driving lever 71 is provided with the one-way driving mechanism coordinated with female wheel component 3, institute The upper surface for stating linkage disk 44 is provided with some linkage tips 45, and the lower end of driving lever 71 coordinates drive connection with some linkage tips 45；Institute Drive gear 5 is stated in an initial condition in low level working face, between the one-way driving mechanism and lower tray 64 of the upper end of driving lever 71 In connection off-state, and drive connection state is between the lower end of driving lever 71 and the linkage tip 45, then some sub-line wheels 43 Gravity forces pass through circle bobbin shaft 42, sub- shaft pulley 46, transmission belt 49, linkage disk 44, driving lever 71, drive gear 5, central shaft 2 pass to clutch lowering or hoisting gear 21 successively, and the pivoting friction resistance provided by positioning stage clip 24 realizes the reversion of sub-line wheel 43 Locking, so as to control the account pin of mosquito net to be parked on arbitrary height；On under drive of the drive gear 5 in clutch lowering or hoisting gear 21 When rising, driving lever 71 is connected by one-way driving mechanism with lower tray 64, so that drive gear 5 drives the mother under self-locking state Wheel assembly 3 is rotated forward, and the then one-way driving mechanism failure of the reversion switch operating of drive gear 5 face, the holding self-locking state of busbar assembly 3 Will not be inverted with drive gear 5.

The one-way driving mechanism includes female basin transmission tip 35 and mainshaft gear linkage basin 52, and female basin transmission tip 35 is fixedly arranged on On the bottom surface of lower tray 64, mainshaft gear linkage basin 52 be rotationally arranged in the female basin transmission rotary motion trace of the tip 35 and with driving Gear 5 is fixedly connected, and the second fixing bearing 53 is provided between mainshaft gear linkage basin 52 and central shaft 2；The mainshaft gear connection The dynamic outer edge surface of basin 52 is provided with some open slots 54, and some open slots 54 set along the periphery equi-spaced apart of mainshaft gear linkage basin 52 Put, the movable blocking arm 72 of eccentric rotation is provided with open slot 54, the upper end of some driving levers 71 corresponds and is arranged in open slot In 54, and driving lever 71 is hinged with the turning end of movable blocking arm 72, and the eccentric end of movable blocking arm 72 is passed with female basin transmission cooperation of the tip 35 It is dynamic, and it is provided with reduction torsion spring 73 between the eccentric end and drive gear 5 of movable blocking arm 72；The drive gear 5 works in middle position During face, mainshaft gear linkage basin 52, the movable blocking arm 72 of the upper end of driving lever 71 are in female basin transmission rotary motion trace of the tip 35, active catch Arm 72 can centered on driving lever 71 eccentric rotary counterclockwise, the eccentric end of movable blocking arm 72 at the outside of open slot 54, activity Movable diameter of the eccentric end of blocking arm 72 on mainshaft gear linkage basin 52 is maximum and the rotational trajectory of the tip 35 is driven more than female basin Diameter, drive gear 5 is rotated, and movable blocking arm 72 is contradicted and promotes female basin transmission tip 35 to rotate therewith, so as to drive lower tray 64 And the bus wheel 31 linked with it is rotated forward；It is living during drive gear 5 is transitioned into middle position working face from low level working face Situation is contacted in the presence of two kinds between dynamic blocking arm 72 and female basin transmission tip 35, first, the eccentric end upper surface rotation of movable blocking arm 72 The female basin transmission tip 35 of touching, the reduction torsion spring 73 on movable blocking arm 72 is compressed so that female basin is driven the tip 35 in movable blocking arm 72 upper surfaces slip over；Second, movable blocking arm 72 is rotated in the rotational plane of female basin transmission tip 35, movable blocking arm 72 is passed in female basin It is transferred to clockwise in open slot 54 under the stop of the dynamic tip 35, without drive connection in the now reversion of drive gear 5 and female wheel component 3, So as to drive the switching working mode of clutch lowering or hoisting gear 21.

The frame 1 is provided with bead back-up ring 57, and bead back-up ring 57 is corresponding to be movably connected in the vertical of the surrounding of drive gear 5 On bar 13, bead back-up ring 57 is provided for limiting the scope of activities of power pelletron 56 for open ring structure, prevents it from misplacing and overflowing Go out；Vertical rod 13 at the opening of bead back-up ring 57 is provided with tooth sector 55, is connected between tooth sector 55 and drive gear 5 dynamic Power pelletron 56, the power pelletron 56 is used to pull the forward or reverse of drive gear 5 manually, realizes mosquito net, the liter of veiling support Drop operation.

Operation principle：

Under normal conditions, gearshift cross bar 23 is on the low level working face for forcing fluctuating orbit 25, the 24 pairs of gearshifts of positioning stage clip Cross bar 23 applies pressure so that it produces pivoting friction resistance, gearshift cross bar 23 to be stably in pressure fluctuating orbit 25 In low level working face, prevent central shaft 22 from rotating, now the driving lever 71 on drive gear 5 is in transmission and connects with sub- wheel assembly 4 State is connect, because the first unilateral bearing 51 prevents drive gear 55 from being inverted on central shaft 2, the gravity of some sub-line wheels 43 is anti- Transfer to firmly unidirectional via circle bobbin shaft 42, sub- shaft pulley 46, transmission belt 49, linkage disk 44, driving lever 71, drive gear 5, first Bearing 51 is conducted to central shaft 2 successively, and central shaft 2 is limited by the frictional resistance of cross bar 23 of shifting gears and said mechanism is in certainly Lock poised state, makes mosquito net be parked on residing height.

Meanwhile, the support spring 63 applies downward pressure to clutch discs 62, and upper platen 33 coordinates lower tray 64 to clamp Bus wheel 31, now bus wheel 31 and upper platen 33, lower tray 64, circle bobbin shaft 42 form the linkage structure of one, due to circle The second unilateral bearing 61 with one-directional rotation between bobbin shaft 42 and clutch discs 62, above-mentioned linkage structure is in clutch discs 62 Can not invert, so that the veiling support of the connection of bus wheel 31 is parked on residing height.

The central shaft 22 and drive gear thereon 55, mainshaft gear linkage basin 52, driving lever 71, the first unilateral bearing 51 and second fixing bearing 53 constitute centre shaft of the present utility model, when drive gear 5 is inverted gearshift cross bar 23 be oriented to tooth Ring 22 coordinates the up and down action for realizing centre shaft, so as to switch the working face of drive gear 5 and driving lever 71；Gearshift cross bar 23 exists When forcing parked in low level working face, high-order working face, middle position working face and the excessive plane of fluctuating orbit 25, drive gear 5 have four kinds of mode of operations on central shaft 2：

First, the drive gear 5 under normality is in low level working face, and the lower end of driving lever 71 passes with the linkage tip 45 of linkage disk 44 Dynamic connection, drive gear 5 can successively drive driving lever 71, the linkage tip 45, linkage disk 44, transmission belt 49, sub- shaft pulley 46, cylinder Axle 42 and some sub-line wheels 43 are rotated forward, and make each tie point on mosquito-net pin while rising to required height.

Second, gearshift cross bar 23 works when high-order working face transition from low level, and drive gear 5 and driving lever 71 rise, Driving lever 71 is separated with the linkage tip 45 during this, and sub-line wheel 43 loses restraining force, is rotated under gravity pulling, and mosquito-net body is with leading Messenger declines；When active force rut disappears, gearshift cross bar 23 is slid and returned to automatically on intermediate incline by the pressure of positioning stage clip 24 Low level working face, sub-line wheel 43 is locked again.

3rd, when drive gear 5 is switched to high-order working face, the stroke reed 29 on central shaft 2 promotes cylinder mother's axle 32 Rise, platen 33 is climbed away lower tray 64 along vertical rod 13 with clutch discs 62, bus wheel 31 is free to rotate so as in weight Veiling support is fallen under power effect.

4th, when gearshift cross bar 23 is in middle position working face, the downward actuation of stroke reed 29 falls back to cylinder mother's axle 32 Elemental height, upper platen 33 and lower tray 64 coordinate clamping bus wheel 31, driving lever 71 to pass through in movable blocking arm 72 and lower tray 64 Female basin transmission tip 35 be connected, drive gear 5 rotates forward and drives bus wheel 31 and then lift veiling support needed for highly；Remove After pin is to the pulling force of drive gear 5, the one-directional rotation that cylinder mother's axle 32 passes through the second unilateral bearing 61 makes female wheel component 3 times To self-locking state.

The combination that the utility model passes through said structure, is capable of achieving the lift adjustment and arbitrarily of mosquito net and veiling support It is highly parked, facilitate user's flexibly using to mosquito net, improve disassembly, cleaning convenience and safety in utilization, terminal with compact integral structure Stablize, have a wide range of application.

The above is only better embodiment of the present utility model, therefore all according to described in the utility model patent claim Construction, the equivalent change or modification done of feature and principle, be included in the utility model patent claim.

Claims (10)

1. a kind of ring body formula mosquito net lifter, including frame (1), the frame (1) is with upper and lower spaced top board (11) It is fixedly connected by some vertical rods (13) between base plate (12), and top board (11) and base plate (12)；It is characterized in that：The top Central shaft (2) is equipped between plate (11) and base plate (12) vertically, frame (1) is provided with and drives what central shaft (2) was moved up and down Clutch lowering or hoisting gear (21)；The upper, middle and lower portion of the central shaft (2) is sequentially provided with female wheel component (3), the driving that can be horizontally rotated Gear (5) and linkage disk (44), are connected with one-way locking device (6), drive gear (5) between female wheel component (3) and frame (1) It is connected with the first unilateral bearing (51) between central shaft (2), the is connected between linkage disk (44) and the vertical rod (13) of surrounding One fixing bearing (41), and drive gear (5) is provided with the transmission component coordinated with one-way locking device (6), linkage disk (44) (7)；The side of the frame (1) is provided with ring body support (48), and the lower end of ring body support (48) is fixedly connected with base plate (12), ring It is provided with body support frame (48) between the sub- wheel assembly (4) that can be horizontally rotated, and sub- wheel assembly (4) and linkage disk (44) and is connected with biography Dynamic band (49).

2. ring body formula mosquito net lifter according to claim 1, it is characterised in that：The sub- wheel assembly (4) is including vertical The round bobbin shaft (42) of setting, some sub-line wheels (43), and sub-line wheel (43) and cylinder are set with circle bobbin shaft (42) successively The overload separation device of spring and hoodle composition is provided between sub- axle (42)；The two ends of the round bobbin shaft (42) pass through trunnion axis (47) are held to be connected with ring body support (48) and base plate (12) respectively, and the lower end of circle bobbin shaft (42) is provided with sub- shaft pulley (46), Sub- shaft pulley (46) is connected by transmission belt (49) and then with linkage disk (44).

3. ring body formula mosquito net lifter according to claim 1, it is characterised in that：The female wheel component (3) is including cylinder Mother's axle (32) and bus wheel (31), cylinder mother's axle (32) are rotationally arranged between bus wheel (31) and central shaft (2), cylinder The one-way locking device (6) coordinated with bus wheel (31) is provided between the upper end of mother's axle (32) and frame (1)；The cylinder mother's axle (32) lower end is provided with lower tray (64), and spring bearing (34) is connected between lower tray (64) and the vertical rod (13) of its surrounding, And lower tray (64) coordinates drive connection with transmission component (7).

4. ring body formula mosquito net lifter according to claim 3, it is characterised in that：The one-way locking device (6) includes The clutch discs (62) that can be moved up and down along some vertical rods (13), clutch discs (62) are provided with the second unilateral bearing (61) and cylinder is female Axle (32) upper end is fixedly connected with the second unilateral bearing (61), and some support springs are provided between clutch discs (62) and top board (11) (63)；The upper platen (33) coordinated with lower tray (64), upper platen are provided between the clutch discs (62) and bus wheel (31) (33) it is fixedly connected with cylinder mother's axle (32)；The central shaft (2) is provided with the stroke reed (29) of clutch discs (62) cooperation, OK Journey reed (29) is accordingly located between cylinder mother's axle (32) lower surface and drive gear (5).

5. ring body formula mosquito net lifter according to claim 4, it is characterised in that：The lower tray (64) is provided with logical Hole, the lower end of cylinder mother's axle (32) is arranged in the through hole of lower tray (64) and connects between cylinder mother's axle (32) and lower tray (64) It is connected to driving key (36)；It is all provided between the upper platen (33) and bus wheel (31), between lower tray (64) and bus wheel (31) There is silica gel friction plate (65).

6. ring body formula mosquito net lifter according to claim 1, it is characterised in that：The clutch lowering or hoisting gear (21) includes The guiding ring gear (22) on base plate (12) is fixedly arranged on, the lower end of central shaft (2) is provided with what can be horizontally rotated along guiding ring gear (22) Gearshift cross bar (23), is provided with the positioning stage clip coordinated with gearshift cross bar (23) between the upper end of central shaft (2) and top board (11) (24)。

7. ring body formula mosquito net lifter according to claim 6, it is characterised in that：Guiding ring gear (22) is provided with two The end to end pressure fluctuating orbit (25) of group, forces fluctuating orbit (25) to include the low level working face, the high-order work that set gradually Make to be respectively connected with smooth transition surface between face and middle position working face, and low level working face, high-order working face and middle position working face；Institute The two ends for stating gearshift cross bar (23) are arranged in corresponding pressure fluctuating orbit (25) respectively, and then make gearshift cross bar (23) in water Flat turn can be moved up and down when dynamic along pressure fluctuating orbit (25).

8. ring body formula mosquito net lifter according to claim 1, it is characterised in that：The transmission component (7) is including some Along the driving lever (71) that same circumference equi-angularly space is set, some driving levers (71) are arranged on drive gear (5) vertically, driving lever (71) Upper end is provided with the one-way driving mechanism coordinated with female wheel component (3), and the upper surface of the linkage disk (44) is provided with some linkages The tip (45), driving lever (71) lower end coordinates drive connection with some linkages tip (45).

9. ring body formula mosquito net lifter according to claim 8, it is characterised in that：The one-way driving mechanism includes female basin The transmission tip (35) and mainshaft gear linkage basin (52), female basin are driven the tip (35) and are fixedly arranged on the bottom surface of lower tray (64), main shaft tooth Wheel linkage basin (52) is rotationally arranged in the female basin transmission tip (35) rotary motion trace and is fixedly connected with drive gear (5), main Shaft gear to link and be provided with the second fixing bearing (53) between basin (52) and central shaft (2)；The mainshaft gear links basin (52) outward Edge face is provided with some open slots (54), and some open slots (54) set along the periphery equi-spaced apart of mainshaft gear linkage basin (52) Put, the movable blocking arm (72) of eccentric rotation is provided with open slot (54), the upper end of some driving levers (71) corresponds and is arranged in In open slot (54), and driving lever (71) is hinged with the turning end of movable blocking arm (72), eccentric end and mother's basin of movable blocking arm (72) The transmission tip (35) to coordinate and be provided with reduction torsion spring (73) between transmission, and the eccentric end and drive gear (5) of movable blocking arm (72).

10. ring body formula mosquito net lifter according to claim 9, it is characterised in that：The frame (1) is provided with bead gear Circle (57), bead back-up ring (57) is corresponding to be movably connected in the vertical rod (13) of drive gear (5) surrounding, and bead back-up ring (57) is Open ring structure is set, and the vertical rod (13) at bead back-up ring (57) opening is provided with tooth sector (55), tooth sector (55) with Dynamic pelletron (56) is connected between drive gear (5).