CN206328083U - A kind of compact mosquito net lifter - Google Patents

Abstract

The utility model is related to suspension lifting engineering device technique field, refers specifically to a kind of compact mosquito net lifter；The frame has spaced top board and base plate up and down, and vertical between top board and base plate to be equipped with central shaft, base plate is provided with the up and down clutch lowering or hoisting gear of driving central shaft；Female wheel component, drive gear and linkage disk are sequentially provided with the central shaft, female wheel component includes one-way locking device and is provided with the bus wheel that can be horizontally rotated, mesh plate is provided between one-way locking device and drive gear, drive gear, which is provided with transmission component, ring body support, is provided with sub- wheel assembly；Bus wheel and sub-line wheel of the present utility model are in close elevation plane and close to 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, be conducive to the integrally-built flattening design of lifter, improve disassembly, cleaning convenience and safety in utilization, stabilization simple for structure, have wide range of applications.

Description

A kind of compact mosquito net lifter

Technical field

The utility model is related to suspension lifting engineering device technique field, refers specifically to a kind of compact 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 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 is by can Folding frame is supported, and both mosquito nets have respective advantage and disadvantage, simple in construction 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 given birth to, and is very easy to mosquito net in daily Use, such as publication number CN104444885A Chinese invention patent, 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 mosquito net balance lifting, the function such as parked, automatic adjustable balance.But The problem of prior art still can not solve 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 installing 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 be for prior art defect and not enough 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 compact mosquito net of later maintenance to the appropriate height smoothly touched Lifter.

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

A kind of compact mosquito net lifter described in the utility model, including frame, the frame have between the upper and lower every setting It is fixedly connected between the top board and base plate, and top board and base plate put by some vertical rods, the side of frame is provided with solid with its base plate Surely the ring body support connected；Vertical between the top board and base plate to be equipped with central shaft, base plate is provided with above and below driving central shaft The clutch lowering or hoisting gear of activity；Female wheel component, drive gear and linkage disk are sequentially provided with the central shaft, drive gear is with The first unilateral bearing is connected between heart axle, the female wheel component includes one-way locking device, and one-way locking device is provided with can The bus wheel horizontally rotated, between one-way locking device and drive gear be provided with bus wheel coordinate mesh plate, mesh plate with Spring bearing is connected between the vertical rod of surrounding；The first fixing bearing, driving are provided between the linkage disk and the vertical rod of surrounding Gear is provided with the transmission component coordinated respectively with one-way locking device, mesh plate, linkage disk；Provided with son in the ring body support Wheel assembly, transmission belt is connected between sub- wheel assembly and linkage disk.

According to above scheme, the one-way locking device includes cylinder mother's axle and the clutch that can be moved up and down along some vertical rods Disk, cylinder mother's axle is rotationally arranged between bus wheel and central shaft, and is connected between clutch discs and cylinder mother's axle upper end Two unilateral bearings, frame tends to some extension springs of mesh plate provided with driving clutch discs；Cylinder below the bus wheel Mother's axle outer rim is provided with some clutches for being equipped with mutual cooperation on bottom plate, bus wheel lower surface and mesh plate upper surface respectively The tip is driven, the central shaft is provided with the stroke reed that clutch discs can be driven to move up and down, and stroke reed is accordingly located at cylinder Between mother's axle lower surface and drive gear.

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 is driven the one-way driving mechanism coordinated, the linkage disk with mesh plate Upper surface be provided with some linkage tips, driving lever lower end with it is some linkage the tips coordinate be connected.

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 mesh plate, 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 periphery equi-spaced apart of some open slots along mainshaft gear linkage basin is set, in open slot Movable blocking arm provided with eccentric rotation, the upper end of some driving levers, which is corresponded, to be 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 coordinates with female basin transmission tip to be driven, and eccentric end and the driving of movable blocking arm Reduction torsion spring is provided between gear.

According to above scheme, the clutch lowering or hoisting gear includes the guiding ring gear being fixedly arranged on base plate, and central shaft is provided with The positioning coordinated with gearshift cross bar can be provided between the lower end of central shaft and base plate along the gearshift cross bar that ring gear horizontally rotates is oriented to Stage clip.

According to above scheme, the guiding ring gear forces lift rail provided with two groups of end to end pressure fluctuating orbits Road includes the low level working face, high-order working face and middle position working face 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 when horizontally rotating along pressure fluctuating orbit.

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.

According to above scheme, the sub- wheel assembly includes being set with successively on the circle bobbin shaft being vertically arranged, circle bobbin shaft The overload separation device constituted between some sub-line wheels, and sub-line wheel and circle bobbin shaft provided with spring and hoodle；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.

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 in different working face work：

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；It is raised to account after required height, the external force revocation on drive gear, sub-line wheel The reversal effect power produced by account body Action of Gravity Field via driving lever, drive gear and the first unilateral bearing is conducted to central shaft, changed Keep off 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 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 worked towards high-order working face transition During face, drive gear and driving lever rise therewith, and the connection between driving lever lower end and linkage disk disconnects, and sub-line wheel can be in account body gravity In the presence of reversion so that account body decline；The reversion pulling force on drive gear is then cancelled, gearshift cross bar is made in positioning stage clip With it is lower it is automatic under slip back to low level working face, drive gear and driving lever thereon re-establish drive connection with linkage disk so that Relocked sub-line wheel.

3rd, when drive gear is switched to high-order working face, the stroke reed on central shaft promotes cylinder mother's axle to rise, female Line wheel rises under the promotion of bottom plate with clutch discs, clutch discs and clamping lockout failure of the mesh plate to bus wheel, so as to release Putting 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, bus wheel It is connected by the clutch transmission tip and mesh plate, and clutch discs coordinate clamping bus in the presence of extension spring with mesh plate Wheel, bus wheel integrally links to be limited and can not invert by the second unilateral bearing with cylinder mother's axle；And the work of driving lever upper end Dynamic blocking arm and female basin transmission tip engaged transmission, now drive gear, which is rotated forward, can drive bus wheel and then lift veiling support needed for Highly；External pull is now cancelled, cylinder mother's axle makes female wheel component return to self-locking by the one-directional rotation of the second unilateral bearing State.

Sub- wheel assembly and female wheel component of the present utility model are arranged respectively in frame and ring body support, bus wheel and sub-line Pull rope of the wheel in the close elevation plane and on ceiling plane, bus wheel passes through the pulley that is fixed on furred ceiling face Pull rope on the veiling support of group connection mosquito net, sub-line wheel connects the account body of mosquito net by the assembly pulley on veiling support, can Friction interference probability effectively between reduction pull rope and female wheel component, sub- wheel assembly, makes overall operation more smooth, is 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, dismounting is improved clear Convenience and safety in utilization are washed, terminal with compact integral structure is stable, have 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, bottom plate；34th, support shaft Hold；35th, female basin transmission tip；36th, the clutch transmission tip；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, mainshaft gear linkage basin；53rd, the second fixing bearing；54th, open slot；55th, tooth sector；56th, power pelletron；57th, bead is kept off Circle；61st, the second unilateral bearing；62nd, clutch discs；63rd, extension spring；64th, mesh plate；71st, driving lever；72nd, movable blocking arm；73rd, it is multiple Position torsion spring.

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 compact mosquito net lifter described in the utility model, including frame 1, the frame 1 It is fixedly connected with above and below between spaced top board 11 and base plate 12, and top board 11 and base plate 12 by some vertical rods 13, The side of frame 1 is provided with the ring body support 48 being fixedly connected with its base plate 12；Worn vertically between the top board 11 and base plate 12 There is central shaft 2, base plate 12 is provided with the up and down clutch lowering or hoisting gear 21 of driving central shaft 2；Set successively on the central shaft 2 There are female wheel component 3, drive gear 5 and linkage disk 44, the first unilateral bearing 51, institute are connected between drive gear 5 and central shaft 2 Stating female wheel component 3 includes one-way locking device 6, and one-way locking device 6 is provided with the bus wheel 31 that can be horizontally rotated, monodirectional locking The mesh plate 64 coordinated with bus wheel 31 is provided between device 6 and drive gear 5, is connected between mesh plate 64 and the vertical rod 13 of surrounding It is connected to spring bearing 34；The mesh plate 64 can be horizontally rotated by spring bearing 34 in frame 1, and one-way locking device 6 is matched somebody with somebody Bus wheel 31 can be clamped so as to realize the locking of its reversion by closing mesh plate 64, and having between bus wheel 31 and mesh plate 64 to shirk Drive mechanism；The clutch lowering or hoisting gear 21 is used to drive central shaft 2 and drive gear 5 thereon to move up and down, transmission group Part 7 is set up and is connected with mesh plate 64 and linkage disk 44 respectively, so that drive the wheel assembly 4 of bus wheel 31 or sub- to rotate forward respectively, Its drive connection and operation principle are described below；The first fixing bearing is provided between the linkage disk 44 and the vertical rod 13 of surrounding 41, drive gear 5 is provided with the transmission component 7 coordinated respectively with one-way locking device 6, mesh plate 64, linkage disk 44；The ring Sub- wheel assembly 4 is provided with body support frame 48, transmission belt 49 is connected between sub- wheel assembly 4 and linkage disk 44；The frame 1 and ring body Support 48 is fixed on installation top surface for main body frame, and ring body support 48 is in the attaching structure that the periphery of frame 1 is in satellite shape, sub- wheel Component 4 is on ring body support 48 with female wheel component 3 relatively in phase hither plane and respectively close to installing top surface, and female wheel component 3 pull rope connection veiling support is parked to realize the overall lifting of mosquito net, the pull rope connection account body footing on sub- wheel assembly 4 And control its lifting parked；Pull rope on the female wheel component 3 and sub- wheel assembly 4 realizes the company of steering by assembly pulley respectively Connect, be laid out by the flattening of split type ring body support 48 Yu frame 1, can pull rope change guide when effectively reducing mechanism is run Influence of the friction of cause to female wheel component 3 and sub- wheel assembly 4, and it is easy to the dismounting in later stage to safeguard, improve lifter and integrally use Stability.

Above-mentioned one-way locking device 6 includes cylinder mother's axle 32 and the clutch discs 62 that can be moved up and down along some vertical rods 13, circle Cylinder mother's axle 32 is rotationally arranged between bus wheel 31 and central shaft 2, is connected between clutch discs 62 and the upper end of cylinder mother's axle 32 There is the second unilateral bearing 61, frame 1 tends to some extension springs 63 of mesh plate 64 provided with driving clutch discs 62；The bus The outer rim of cylinder mother's axle 32 of the lower section of wheel 31 is provided with bottom plate 33, the lower surface of bus wheel 31 and the upper surface of mesh plate 64 ring respectively Some clutch transmission tips 36 provided with mutual cooperation, the central shaft 2 is provided with the stroke that clutch discs 62 can be driven to move up and down Reed 29, stroke reed 29 is accordingly located between the lower surface of cylinder mother's axle 32 and drive gear 5；The bus wheel 31 is in subiculum Can the one up and down action of cylinder mother's axle 32, the driving clutch discs 62 of extension spring 63 and bus under the clamping of plate 33 and clutch discs 62 Wheel 31 is in lower floor position under normal conditions, and the mesh plate 64 is provided with through hole, and the lower end of cylinder mother's axle 32 is arranged in the through hole, It is connected between cylinder mother's axle 32 and the through hole of mesh plate 64 between driving key, therefore bus wheel 31, mesh plate 64, cylinder mother's axle 32 Drive connection is sequentially formed, and the upper end of cylinder mother's axle 32 is connected to clutch discs 62 by the second unilateral bearing 61, so as to realize mother Line wheel 31 rotates backward self-locking, and now drive gear 5 rises mesh plate 64 and bus wheel 31 can be driven to rotate forward；Work as drive When moving gear 5 promotes cylinder 32 vertical motion of mother's axle, bottom plate 33 drives bus wheel 31 to rise and disengage between mesh plate 64 Drive connection, then bus wheel 31 can freely be rotated in cylinder mother's axle 32.

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 is driven the one-way driving mechanism coordinated with mesh plate 64, The upper surface of the linkage disk 44 is provided with some linkage tips 45, and the lower end of driving lever 71 coordinates with some linkage tips 45 to be connected； As shown in Figure 2 and Figure 3, the transmission component 7 includes some driving levers 71 set along same circumference equi-angularly space, some driving levers 71 It is arranged in vertically on drive gear 5, the upper end of driving lever 71 is provided with the one-way driving mechanism coordinated with female wheel component 3, the linkage disk 44 upper surface is provided with some linkage tips 45, and the lower end of driving lever 71 coordinates with some linkage tips 45 to be connected；The sliding tooth Wheel 5 is in low level working face in an initial condition, in connection between the one-way driving mechanism and lower tray 64 of the upper end of driving lever 71 Off-state, and the Action of Gravity Field of drive connection state, then some sub-line wheels 43 is between the lower end of driving lever 71 and the linkage tip 45 Power is passed successively by circle bobbin shaft 42, sub- shaft pulley 46, transmission belt 49, linkage disk 44, driving lever 71, drive gear 5, central shaft 2 Clutch lowering or hoisting gear 21 is passed, the pivoting friction resistance provided by positioning stage clip 24 realizes that the reversion of sub-line wheel 43 is locked, from And control the account pin of mosquito net to be parked on arbitrary height；When rising under drive of the drive gear 5 in clutch lowering or hoisting gear 21, dial Bar 71 is connected by one-way driving mechanism with mesh plate 64, so that drive gear 5 drives the bus wheel 31 under self-locking state Rotate forward, and then one-way driving mechanism fails in the reversion switch operating of drive gear 5 face, the holding self-locking state of bus wheel 31 will not be with drive Moving gear 5 is inverted.

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 mesh plate 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 periphery equi-spaced apart of some open slots 54 along mainshaft gear linkage basin 52 is set Put, the movable blocking arm 72 of eccentric rotation is provided with open slot 54, the upper end of some driving levers 71, which is corresponded, is arranged in open slot In 54, and the turning end of driving lever 71 and movable blocking arm 72 is hinged, and the eccentric end of movable blocking arm 72 coordinates with female basin transmission tip 35 to be passed 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 contradicts and promotes female basin transmission tip 35 to rotate therewith, so as to drive mesh plate 64 And the bus wheel 31 linked with it is rotated forward；It is living when drive gear 5 is from during low level working face is transitioned into middle position 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 reduction torsion spring 73 on the female basin transmission tip 35 of touching, movable blocking arm 72 is compressed so that female basin is driven the tip 35 in movable blocking arm 72 upper surfaces are slipped over；Second, movable blocking arm 72 is driven in the rotational plane of the tip 35 in female basin and rotated, 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 clutch lowering or hoisting gear 21 includes being fixedly arranged on guiding ring gear 22 on base plate 12, and central shaft 2 is provided with can be along leading The gearshift cross bar 23 horizontally rotated to ring gear 22, is provided with what is coordinated with gearshift cross bar 23 between the lower end of central shaft 2 and base plate 12 Position stage clip 24；The guiding ring gear 22 forces fluctuating orbit 25 to wrap provided with two groups of end to end pressure fluctuating orbits 25 Include the low level working face set gradually, high-order working face and middle position working face, and low level working face, high-order working face and middle position work Make to be respectively connected with smooth transition surface between face；The two ends of the gearshift cross bar 23 are arranged in corresponding pressure fluctuating orbit 25 respectively It is interior, and then gearshift cross bar 23 is moved up and down when horizontally rotating along pressure fluctuating orbit 25；The clutch lowering or hoisting gear 21 Effect be to promote central shaft 2 and drive gear 5 thereon, stroke reed 29 to move up and down, the 24 pairs of gearshifts of positioning stage clip Cross bar 23 applies downward active force, the frictional resistance for making it produce horizontal direction with being oriented to ring gear 22, and the frictional resistance exists Gearshift cross bar 23 is set to keep stable on fluctuating orbit 25 is forced under normality, so that the structure of central shaft more than 2 is in self-locking Poised state；The reversion of drive gear 5 drives central shaft 2 to rotate, and gearshift cross bar 23 is moved up and down along pressure fluctuating orbit 25 Different working faces are transferred to, the working face different with the correspondence of drive gear 5 of central shaft 2 has Three models, low level working face When, the transmission component 7 on drive gear 5 is connected with linkage disk 44, and one-way locking device 6 and clutch lowering or hoisting gear 21 are distinguished Realize the self-locking balance of female wheel component 3 and sub- wheel assembly 4；During high-order working face, the driving cylinder of stroke reed 29 mother's axle 32 rises Unlock one-way locking device 6, now bus wheel 31 can be inverted freely, while sub- wheel assembly 4 is in state free to rotate；In During the working face of position, stroke reed 29 is fallen after rise, and bus wheel 31 is locked integral linkage by one-way locking device 6, and transmission component 7 drives Bus wheel 31, which is rotated forward, realizes lifting, and drive gear 5 stops operating, and one-way locking device 6 keeps the reversion to bus wheel 31 to limit System, so as to realize the parked purpose of veiling support.

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.

The sub- wheel assembly 4 includes being set with some sub-lines successively on the circle bobbin shaft 42 being vertically arranged, circle bobbin shaft 42 The overload separation device constituted between wheel 43, and sub-line wheel 43 and circle bobbin shaft 42 provided with spring and hoodle；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 between ring body support 48 and base plate 12 to horizontally rotate, and justify bobbin shaft 42 and pass through overload separation device band The one linkage of mover line wheel 43, drive gear 5 is connected in low level working face by transmission component 7 with linkage disk 44, and Linkage disk 44 is by transmission belt 49 with mover shaft pulley 46 and circle bobbin shaft 42, and drive gear 5, which is rotated forward, drives some sub-line wheels 43 rotate each tie point of 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.

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, and gearshift cross bar 23 is 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 with sub- wheel assembly 4 and connected 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 limit by the frictional resistance of gearshift cross bar 23 and said mechanism is in oneself Poised state is locked, mosquito net is parked on residing height.

Meanwhile, the extension spring 63 applies downward pressure to clutch discs 62, and bus wheel 31 is in company with cylinder mother's axle 32 OK, linked between bus wheel 31 and mesh plate 64 by the one of the clutch transmission tip 36, and mesh plate 64 and the lower end of cylinder mother's axle 32 Between provided with connecting key is rotated, bus wheel 31 passes sequentially through mesh plate 64, cylinder mother's axle 32, the second unilateral bearing 61 and clutch discs 62 one link, and now the second unilateral bearing 61 limitation bus wheel 31 can only rotate forward to form self-locking to it, so that bus The veiling support of the connection of wheel 31 is parked on residing height.

The central shaft 22 and drive gear 55 thereon, 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, gearshift cross bar 23 is with being oriented to tooth when drive gear 5 is inverted 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 and the linkage tip 45 of linkage disk 44 are passed Dynamic connection, drive gear 5 can drive driving lever 71, the linkage tip 45, linkage disk 44, transmission belt 49, sub- shaft pulley 46, cylinder successively 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 towards during 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, 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, bottom plate 33 promotes bus wheel 31 to rise and disconnect the connection between mesh plate 64 therewith, and bus wheel 31 can be in cylinder Freely rotated in mother's axle 32, so as to fall under gravity veiling support.

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, bus wheel 31 re-establishes drive connection with mesh plate 64 therewith, and driving lever 71 passes through movable blocking arm 72 and mesh plate Female basin transmission tip 35 on 64 is connected, and drive gear 5 rotates forward drive bus wheel 31 and then lifting veiling support is high needed for Degree；After revocation is to the pulling force of drive gear 5, cylinder mother's axle 32 makes female wheel group by the one-directional rotation of the second unilateral bearing 61 Part 3 returns to self-locking state.

The lift adjustment and arbitrarily of mosquito net and veiling support can be achieved by the combination of said structure in the utility model 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 The equivalent change or modification done of construction, feature and principle, be included in the utility model patent claim.

Claims (8)

1. a kind of compact mosquito net lifter, including frame (1), the frame (1) have spaced top board (11) up and down It is fixedly connected between base plate (12), and top board (11) and base plate (12) by some vertical rods (13), the side of frame (1) is provided with The ring body support (48) being fixedly connected with its base plate (12)；It is characterized in that：It is vertical between the top board (11) and base plate (12) Central shaft (2) is equipped with, base plate (12) is provided with the up and down clutch lowering or hoisting gear (21) of driving central shaft (2)；In described Be sequentially provided with female wheel component (3), drive gear (5) and linkage disk (44) on heart axle (2), drive gear (5) and central shaft (2) it Between be connected with the first unilateral bearing (51), the female wheel component (3) is included on one-way locking device (6), one-way locking device (6) It is provided with and matches somebody with somebody with bus wheel (31) provided with the bus wheel (31) that can be horizontally rotated, between one-way locking device (6) and drive gear (5) Spring bearing (34) is connected between the vertical rod (13) of the mesh plate (64) of conjunction, mesh plate (64) and surrounding；The linkage disk (44) between the vertical rod (13) of surrounding be provided with the first fixing bearing (41), drive gear (5) provided with respectively with monodirectional locking The transmission component (7) that device (6), mesh plate (64), linkage disk (44) coordinate；Sub- wheel assembly is provided with the ring body support (48) (4), it is connected with transmission belt (49) between sub- wheel assembly (4) and linkage disk (44).

2. compact mosquito net lifter according to claim 1, it is characterised in that：The one-way locking device (6) includes Cylinder mother's axle (32) and the clutch discs (62) that can be moved up and down along some vertical rods (13), cylinder mother's axle (32) are rotationally arranged in Between bus wheel (31) and central shaft (2), the second unilateral bearing is connected between clutch discs (62) and cylinder mother's axle (32) upper end (61), frame (1) tends to some extension springs (63) of mesh plate (64) provided with driving clutch discs (62)；The bus wheel (31) cylinder mother's axle (32) outer rim below is provided with bottom plate (33), bus wheel (31) lower surface and mesh plate (64) upper surface The upper some clutch transmission tips (36) for being equipped with mutual cooperation respectively, the central shaft (2), which is provided with, can drive clutch discs (62) The stroke reed (29) of up and down action, stroke reed (29) is accordingly located at cylinder mother's axle (32) lower surface and drive gear (5) Between.

3. compact mosquito net lifter according to claim 1, it is characterised in that：The transmission component (7) includes some The driving lever (71) set along same circumference equi-angularly space, some driving levers (71) are arranged on drive gear (5) vertically, driving lever (71) Upper end is provided with is driven the one-way driving mechanism coordinated with mesh plate (64), and the upper surface of the linkage disk (44) is provided with some The dynamic tip (45), driving lever (71) lower end coordinates with some linkage tips (45) to be connected.

4. compact mosquito net lifter according to claim 3, it is characterised in that：The one-way driving mechanism includes female basin The tip (35) and mainshaft gear linkage basin (52) are driven, female basin transmission tip (35) is fixedly arranged on the bottom surface of mesh plate (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 The second fixing bearing (53) is provided between shaft gear linkage basin (52) and central shaft (2)；The mainshaft gear linkage basin (52) is outside Edge face is provided with some open slots (54), and periphery equi-spaced apart of some open slots (54) along mainshaft gear linkage basin (52) is set Put, the movable blocking arm (72) of eccentric rotation is provided with open slot (54), the upper end of some driving levers (71), which is corresponded, to be arranged in In open slot (54), and driving lever (71) and the turning end of movable blocking arm (72) are hinged, the eccentric end of movable blocking arm (72) and female basin The tip (35) is driven to coordinate between transmission, and the eccentric end and drive gear (5) of movable blocking arm (72) provided with reduction torsion spring (73).

5. compact 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, central shaft (2) is provided with the gearshift that can be horizontally rotated along guiding ring gear (22) Cross bar (23), is provided with the positioning stage clip (24) coordinated with gearshift cross bar (23) between the lower end of central shaft (2) and base plate (12).

6. compact mosquito net lifter according to claim 5, it is characterised in that：The guiding ring gear (22) is provided with two The end to end pressure fluctuating orbit (25) of group, forces fluctuating orbit (25) to include low level working face, the high position work 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).

7. compact mosquito net lifter according to claim 1, it is characterised in that：The frame (1) is kept off provided with bead Enclose (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).

8. compact mosquito net lifter according to claim 1, it is characterised in that：The sub- wheel assembly (4) includes vertical Some sub-line wheels (43), and sub-line wheel (43) and cylinder are set with successively on the circle bobbin shaft (42) of setting, circle bobbin shaft (42) The overload separation device constituted between sub- axle (42) provided with spring and hoodle；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).