CN2342083Y

CN2342083Y - Outdoor blind

Info

Publication number: CN2342083Y
Application number: CN 98224154
Authority: CN
Inventors: 林国忠
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-29
Filing date: 1998-05-29
Publication date: 1999-10-06
Anticipated expiration: 2008-05-29

Abstract

The utility model relates to an outdoor louver comprising a window frame; a ratchet mechanism installed below the window frame generates forward and reverse rotary motion via rotating a handle to drive chains on both sides of the window frame. A control mechanism is combined with the chains and connected with a link rod group supported by a cantilever and a longitudinal rod above. Vanes are combined on the link rod group in the equidistant way. When the chains run downward, the link rod group drives the vanes to horizontally glissade to a lower dead point, and then the control mechanism drives the link rod group to swing upward, so that the vanes are slowly closed; when the chains run upward, the control mechanism drives the link rod group to swing downward, so that the vanes are slowly opened, and then the link rod group is gradually upward collected up.

Description

Outdoor blind

A kind of Outdoor blind refers to the folding and unfolding of a kind of manual control blade especially, adjusts the shutter of angle, belongs to building field.

Utility model patent 95243432.6 once disclosed a kind of " outdoor use electric-powered shutter " (calling original bill in the following text), this shutter is by motor, chain, connection rod set and blade are formed, wherein motor can produce forward and reverse rotatablely moving, and will rotatablely move and be given to chain, chain has a hook spare on one side, another side then mat connecting rod group connects, blade then is incorporated on the link assembly, when chain operation, connection rod set is to descend together with blade, after blade is transferred fully, hook spare draws vertical pole immediately to rising to the bait, impel the connection rod set motion, drive the vane group swing thus, till complete driving fit; When the chain counter motion, the restoring force of compression spring forces vertical pole to descend, and vertical pole drivening rod group motion again impels blade rotation, and after blade changed into level fully, connecting rod upwards shrank immediately following work drivening rod group, and blade is folded together.

The design of original bill is rather practical, except that having the function that blade can adjust angle, more can act freely up and down, and the practicality of shutter is greatly improved, and no longer is subjected to the restriction that traditional Outdoor blind can't folding and unfolding.

Yet original bill is confined to electric model on controlling, and can't adopt manual control, promptly lacks selectivity, so be difficult to satisfy city's field boundary demand.

The purpose of this utility model provides a kind of manual control, the brisk labour-saving of operation Outdoor blind.

The utility model has the advantages that with hand and just can control Outdoor blind moving blade angle, folding and unfolding driving fit shutter or rising, decline shutter easily.

The utility model has following accompanying drawing and accompanying drawing is briefly explained.

Accompanying drawing 1 is the new novel elevation of this practicality.

Accompanying drawing 2 is the A-A line sectional views in the accompanying drawing 1.

Accompanying drawing 3 is the B-B line sectional views in the accompanying drawing 2.

Accompanying drawing 4 is controlling organization three-dimensional exploded views.

Accompanying drawing 5 is that controlling organization is loaded on shutter, and the blade level folds the lateral view to top dead-centre.Wherein A figure is intended to illustrate the position of controlling organization, and B figure shows the state of blade.

Accompanying drawing 6 is that the blade level is reduced to the bottom dead centre lateral view, and wherein A figure is intended to illustrate the position and the chain drive situation of controlling organization, and B figure is intended to illustrate the state of blade.

Accompanying drawing 7 is the lateral views after the complete driving fit of blade, and wherein A figure is intended to illustrate the variation and the chain drive situation of controlling organization, and B figure is intended to illustrate the state of blade.

Accompanying drawing 8 is plane enlarged drawings of controlling organization in the accompanying drawing 5.

Accompanying drawing 9 is plane enlarged drawings of controlling organization in the accompanying drawing 6.

Accompanying drawing 10 is sectional views of taking from C-C line in the accompanying drawing 6.

Below in conjunction with accompanying drawing architectural feature of the present utility model is described further.

See also accompanying drawing 1, Outdoor blind 10 among the figure because a window frame 1, a ratchet mechanism 7, Two chain-drive mechanisms 5, two controlling organizations 2 (as shown in Figure 5), two connection rod set 6 and plural leaf Sheet 3 forms; Wherein window frame 1 consists of four by upper beam 11, two lateral columns 13 and a underbeam 15 Limit shape framework, ratchet mechanism 7 is installed on underbeam 15, can produce forward and reverse revolving by swing handle 71 Transhipment is moving, and should rotate the sprocket wheel 59 of passing to its two ends through rotating

shaft

95, and 11 two ends of putting the beams in place Support 12 on sprocket wheel 50 is also arranged, with chain 51 around hanging on

sprocket wheel

50 and 59

sprocket wheel

50,59 and chain 51 consist of chain-

drive mechanisms

5,51 transmissions are revolved from sprocket wheel 59 to chain Transhipment is moving, and then 3 liftings of band moving vane, and when blade 3 rises to the location, by controlling organization 2 Drive link group 6 is to adjust the gradient of blade 3; Above-mentioned each assembly is described as follows:

Connection rod set 6: shown in accompanying drawing 1-6, these connection rod set 6 numbers have two, be located at respectively in two lateral columns 13, move in lateral column 13 with the chain 5 the same root of Dahurian angelicas, connection rod set 6 utilizes pin 63 to be articulated by the connecting rod 61 and the connector 62 of predetermined number, connecting rod 61 is that mat pin 63 connects into two parallel long strings, and connector 62 connects this two polyphones bar pivot together again, and each connecting rod 61 and connector 62 can be moved around pin 63; Blade 3 two ends then respectively mat anchor clamps 31 is connected with connection rod set 6, make that blade 3 can lifting be adjusted gradient with the swing of bar group 6 with stretching of connection rod set 6.

See also accompanying drawing 6, there is an arc cantilever 65 connection rod set 6 tops, these cantilever 65 terminal and connection rod set 6 bindings, the hole 56 of support 12 is passed in the top, and a backstop 68 is arranged, and prevents that connection rod set 6 from falling, cantilever 65 next doors have a vertical pole 66 in addition, its terminal mat latch 60 is attached at connection rod set 6 tops, and the hole 57 of support 12 is passed in the upper end, so that support connection rod set 6 jointly with cantilever 65; In addition, as shown in Figure 10, the connection rod set equal intervals is articulated with some slide blocks 64, and its chute 19 that can be inserted in lateral column 13 moves, and with guiding connection rod set 6 stretching motions, prevents to play pendulum.

Ratchet mechanism 7: shown in accompanying

drawing

2,3, ratchet mechanism 7 comprises leader 71, itself and one handle 72 intersect vertically, handle 72 central authorities and two pallets 73 are articulated on the rotating disk 75 jointly with pin 74, then there is a sleeve 76 top, be provided with compression spring 77 in it, can support a bronze medal pearl 79 often to remain on tension state, when pulling handle 71, handle 72 and two pallets 73 are that fulcrum is swung together with pin 74 promptly, snap in the wherein recess 81 of rotating disk 75 up to steel ball 79, by this handle 72 are combined with rotating disk 75, during swing handle 71, can rotate rotating disk 75 rotations synchronously.

Have three on the rotating disk 75 and arrange curved recess 81, but make handle 72 mat steel balls 79 embed wherein a recess 81 and be positioned at diverse location, to change the angle of pallet 73, turning to and stop of control rotating disk 75, promptly when handle 72 is positioned at the recess 81 of centre, two pallets, 73 maintenance levels, each meshes with the breach 92 of ratchet 91, each breach 92 is to be defined by two adjacent ratchets 94 to form, this moment, the side 83 of pallet 73 was vertically, and ratchet 91 is because of being fixed on the motionless relation of underbeam 15, so rotating disk 75 can't be rotated, this situation can make blade 3 be parked in any position, does not consider blade 3 and glides because of action of gravity.When handle 72 is positioned at the recess 81 on any left side or the right, two pallets 73 will be inclination, and only one of them pallet 73 and breach 92 engagements because of this pallet has the relation on inclined-plane 84, and allow swing handle 71 drive rotating disks 75 to rotate forward or backwards.

As shown in Figure 3, for making pallet have restoring force, there are two torsionsprings 82 to support a pallet 73 respectively on the pin 74, make pallet 73 snap into next breach by last breach 92, in addition with spring force, handle 72 bottom semicirculars in shape, there is a latch 85 in its central authorities, can be in the arc guiding hole 86 central authorities displacement of rotating disk 75, with the maximum angular displacement of restriction handle 72; Respectively there is an arcuate socket 87 on handle 72 both sides, allow the pin 89 on the pallet 73 to move there, with the range of movement of restriction pallet 73.

See also accompanying drawing 2, aforementioned ratchet 91 and rotating disk 75 are face-to-face setting, central authorities are run through by a power transmission shaft 90, wherein ratchet 91 maintains static, power transmission shaft 90 is with rotating disk 75 rotation, and its front end has first helical gear 93 can second helical gear 96 in rotating shaft 95 to pass on to rotatablely move, and the root of Dahurian angelica is rotated synchronously in underbeam 15 rotating shafts 95 and the sprocket wheel 59 that is incorporated into rotating shaft 95 two ends, pass on to chain 51 from sprocket wheel 59 again to rotatablely move, as the power source of control lifting blade 3 and adjustment blade 3 gradients.

Controlling organization 2: as accompanying drawing 4, shown in 8, this controlling organization 2 comprises a plate 21 that is incorporated into chain 51, this plate 21 moves up and down along lateral column 13 with 51 motions of work chain, its below has a L shaped chute 22 to allow the pin 24 on the tabular cam 23 to move inside, this cam 23 has groove 25, its trumpet-shaped exit or entrance of a clitch 26 towards under, and 26 next doors, the exit or entrance of a clitch articulate a connecting rod 27 with rivet 41, one arcuate socket 29 is arranged at these connecting rod 27 tops, for be combined in connection rod set 6 the pin 30 of below be inserted in the inside (consulting accompanying drawing 6), controlling organization 2 is that mat connecting rod 27 and connection rod set 6 link, cam 23 central authorities then utilize axle 31 and one ㄩ shape pedestal 32 to be articulated, cam 23 back sides are gates 33, gate 33 belows have an elongated hole 34 to pass for axle 31, the grab 35 of top is hooked on the window 36 of carriage 32, and the pocket floor 37 of circular arc extends to 26 tops, the exit or entrance of a clitch, to open and close the exit or entrance of a clitch 26; In addition, between gate 33 and the axle 31 tension spring 39 is arranged, these spring 39 tops are suspended on the barb 42 of gate 33, the bottom then snare on axle 31, when the actuator lever 16 that is fixed in lateral column 13 belows is touched in pocket floor 37, actuator lever 16 will force gate 33 to rise, and make pocket floor 37 withdraw from the exit or entrance of a clitch 26, allow actuator lever 16 to enter in the groove 25, force cam 23 to rotate; Pedestal 32 also moves up and down along lateral column 13 with 51 motions of work chain, its side has a fin 44, when 44 of fins are held in the backstop 45 of plate 21 belows, the exit or entrance of a clitch 26 with the cam of guaranteeing 23 towards under positioning action, make the exit or entrance of a clitch 26 can aim at actuator lever 16 really, force cam 23 to rotate with mat actuator lever 16.

How lifting blade 3 is described at last and adjusts blade 3 gradients: suppose that at first blade 3 is complete propradation, this moment, each blade 3 overlaped, and 2 of controlling organizations are at top dead-centre, and its situation as shown in Figure 5; When clockwise rotating handle 71 when driving rotating disks 75 and just changeing, power transmission shaft 90 is promptly with rotating disk 75 rotations, first helical gear 93 of its front end of mat is passed on to second gear 96 and is rotatablely moved, the sprocket wheel 59 of rotating shaft 95 and two ends thereof is rotated synchronously, and then drive chain 51 as accompanying drawing 6, the direction of arrow running of A figure, so chain 51 is a release link group 6, making connection rod set 6 can drive blade 3 descends, enter the exit or entrance of a clitch 26 and (consult accompanying drawing 8) till running into pocket floor 37 up to actuator lever 16, this moment, blade 3 was that level drop to bottom dead centre, shown in the B figure of accompanying drawing 6, in order to ventilating and daylighting.

When blade 3 levels drop to bottom dead centre, if continue to make chain 5 runnings, the plate 21 that is incorporated into chain 51 this moment will drive convex gear 23 declines (because of the relation that links with pin 24 between plate 21 and the convex gear 23) in the lump, but make upwards top of gate 33 actuated levers 16, allow the exit or entrance of a clitch 26 open wide fully and to enter in the groove 25, and with 51 runnings of work chain, it is that fulcrum rotates counterclockwise (consulting accompanying drawing 9) with pin 24 that actuator lever 16 will force cam 23, also rise because of rotation in the position of cam 23 simultaneously, till arriving the top dead-centre of chute 22 to pin 24, and when cam 23 rotates, connecting rod 27 will move up along

30, and 6 swings of promotion connection rod set (are that connection rod set 6 moves upward on one side, another side moves downward), make the slowly driving fit of blade 3 that is connected in connection rod set 6, its situation is shown in accompanying drawing 6B figure, in order to heat insulation, sound insulation, hide rain or sunshade, reach latent close effect simultaneously.

When reversing 75 counter-rotatings of handle 71 drive rotating disks, chain 51 is the arrow points running of adjoint 7A figure, and drive plate 21 rises, in case when selling the corner of 24 arrival chutes 22, cam 23 will be because of the running clockwise that stops of actuator lever 16, till blade fin 4 is run into backstop 45, simultaneously 27 on connecting rod moves down along pin 30, and promote connection rod set 6 backswings, and blade 3 is slowly opened, its situation is shown in accompanying drawing 6B; On the other hand, 25 elastic force by tension spring 39 of gate retract original position.

When blade 3 changes into level, if chain 5 continues the direction of arrow running towards accompanying drawing 7, can drive controlling organization 2 and rise, and shrink connection rod set 6 by controlling organization 2, blade 3 is slowly upwards folded, its situation is shown in accompanying drawing 5B.

Claims

1, a kind of Outdoor blind comprises a window frame, the quadrilateral frame that this window frame is made of a upper beam, two lateral columns and a underbeam, and have one above the lateral column by the topped support of upper beam, it is characterized in that:

One ratchet mechanism, be held in aforementioned under beam, but manual operation produces the both forward and reverse directions rotation, and will rotatablely move and pass to a rotating shaft;

Two chain-drive mechanisms are made up of four sprocket wheels and two chains, and its middle sprocket props up respectively and is held in aforementioned support and rotating shaft two ends, and chain drives rotation around hanging on the corresponding up and down sprocket wheel by aforementioned rotating shaft;

Two connection rod set, be located at respectively in the aforesaid lateral column, drive by the connecting rod of predetermined number and connector mat pin and to be connected together, each connecting rod and connector can be rotated around pin, each connection rod set top is suspended in midair respectively to prop up and is held on a cantilever and the vertical pole, the blade of some, its two ends mat anchor clamps respectively equidistantly are incorporated on the connection rod set;

Two controlling organizations, be linked to respectively between chain and the connection rod set, when chain drives running downwards by ratchet mechanism, connection rod set can drive the horizontal downhill race of blade to bottom dead centre, by the upwards swing of controlling organization drive link group, makes the blade driving fit again, when chain upwards turns round, controlling organization then drive link group opens blade to lower swing, by connection rod set blade is upwards folded again.

2, by the described a kind of Outdoor blind of claim 1, it is characterized in that: ratchet mechanism includes the leader; One rotating disk, its inner surface are provided with three arrangements and are the recess of circular arc, and an arc guiding hole is arranged; One handle meets at right angle with aforesaid handle, and the top comprises one and is compressed the steel ball that spring remains on tension state, central authorities are articulated on the aforementioned rotating disk with pin, lower central has a latch, can be shifted in the arc guiding hole of aforementioned rotating disk, and respectively there is an arcuate socket on both sides; Two pallets are articulated on the aforementioned pin, and it is remained on tension state by a torque spring, and have a pin to move in the arcuate socket of aforementioned handle; One ratchet, be fixed on aforementioned under beam, its periphery is the equidistant ratchet that is provided with, and is breach between tooth and the tooth; One power transmission shaft passes rotating disk and ratchet and vertically with rotating disk rotation, on the axle and one first helical gear arranged; One rotating shaft is incorporated on the sprocket wheel at aforementioned underbeam two ends, on the axle and second helical gear arranged, this helical gear and the engagement of first helical gear; Can drive rotating disk during swing handle and power transmission shaft rotates synchronously, and pass on to second helical gear from first helical gear and to rotatablely move, the sprocket wheel of aforementioned rotating shaft and two ends thereof is rotated synchronously.

3, by the described a kind of Outdoor blind of claim 1, it is characterized in that: controlling organization includes a plate, and this plate is incorporated on the chain, move up and down along lateral column with the work chain movement, and there are a L shaped chute and a backstop in the below; One tabular cam links with a pin that can move in aforementioned chute and plate, and the groove of a ditch mouth down is arranged; One connecting rod, below are articulated in by the exit or entrance of a clitch of aforementioned cam, and an arcuate socket is arranged at top, for be incorporated into connection rod set the pin of below insert the inside; One pedestal is articulated with aforementioned cam with one, and side has a fin, and there is a window top; One gate, below have an elongated hole to pass for aforementioned axle, and the grab of top is hooked on the window of aforementioned pedestal, and the pocket floor then extends to top, the exit or entrance of a clitch, and can move up and down in the back side of aforementioned cam; One tension spring, top are suspended on the barb of aforementioned gate, and bottom end turns is enclosed within on the aforementioned axle; One actuator lever is fixed in the lateral column below, when blade puts down fully, gate upwards can be pushed up, and forcing cam is that fulcrum rotates with the axle, with the promotion connecting rod, and then the upwards swing of drivening rod group, make the blade driving fit; When chain upwards turns round, then can force cam to go back to original position, and the pulling connecting rod, the drivening rod group opens blade to lower swing.