CN203308348U

CN203308348U - Shutter

Info

Publication number: CN203308348U
Application number: CN2012205759876U
Authority: CN
Inventors: 晏增民; 魏国营
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-02
Filing date: 2012-11-02
Publication date: 2013-11-27
Anticipated expiration: 2022-11-02

Abstract

The utility model discloses a shutter. The shutter comprises an upper fixed beam, a lower movable beam, a plurality of parallel shutter hinges, a lifting drawing wire and a lifting traction wire connected with the lifting drawing wire. The shutter further comprises at least two pairs of edge traction wires passing through the two sides of each shutter hinge and fixed on the shutter hinges, a rotating shaft connected with the edge traction wires, at least two middle traction wires passing through the middle of each shutter hinge and fixed on the shutter hinges, a middle drawing wire connected with the middle traction wires and a balance weight movable beam, wherein the shutter hinges are of hinge types, and the shutter can be in the shielding and ventilating state when the shutter hinges become the shapes of reversed V under the upward traction action of the middle traction wires. The shutter aims to overcome the defects in the prior art and can both perform shielding and ensure the good ventilation effect.

Description

A kind of shutter

Technical field

The utility model relates to the technical field of window, particularly a kind of shutter.

Background technology

The shutter of prior art makes blade rotation by the action axis of rotation, completes opening or the closure of blade, realizes printing opacity or the shielding function of shutter.On 09 12nd, 2012 disclosed, and publication number is that the Chinese utility model patent of 202431162U discloses a kind of dragline type blind curtain.It comprises rail, lower rail, blade, lifting stay cord, light modulation ladder band, described upper rail is sequentially set with regulates Europe mother, holder, fixator, lock device, the lifting stay cord winds the line on the coiling roller of regulating the Europe mother, regulate the Ou Mude center one Metallic rod is set, this Metallic rod is also passed fixator, and blade ladder rope winds the line on Metallic rod; Described lock device is provided with a fixture, described fixture is fixedly installed a rotating shaft, in rotating shaft, activity arranges a roller, an outer tumbler, an interior tumbler, the outer rim of described interior tumbler forms a slot, the lifting stay cord is by roller, from the slot of interior tumbler outer rim, passing.This dragline type blind curtain can be controlled the lifting, fixing of curtain flexibly; What sun blind adopted is high-quality vinyl polymerization material, and timber resources is saved in the waterproof mildew-resistant, and fire-retardant, easy to clean.The blade of the shutter that these are traditional is sheet, and while when printing opacity, opening, the blade gap is larger, ventilates better.But while covering, due to stacked between blade and blade, the gap at mutually stacked place is very little, therefore ventilation effect is poor.When indoor people wants to cover shutter, but while wishing a good ventilated environment, traditional shutter just can't be competent at.

The utility model content

The purpose of this utility model is the above-mentioned shortcoming that overcomes prior art, provides a kind of and both can cover, and can guarantee the shutter that ventilation effect is good again.

For achieving the above object, the technical solution adopted in the utility model is:

Shutter of the present utility model, comprise fixedly upper beam, movable underbeam, some parallel blades, the lifting bracing wire, the lifting draught line be connected with the lifting bracing wire, at least two pairs are passed through the blade both sides and are fixed on edge draught line and the rotating shaft be connected with the edge draught line on blade, it is characterized in that: shutter also comprises that at least two are passed the blade middle part and are fixed on middle part draught line and the middle part bracing wire be connected with the middle part draught line on blade, one counterweight walking beam, draught line lower end, described middle part and counterweight walking beam are affixed, described blade is hinge type, the bracing wire of described middle part and draught line junction, middle part arrange an automatic locking mechanism and control the device of middle part draught line decline length.

Described hinge type blade, when blade upwards becomes inverted V-shaped under the effect of traction at the middle part draught line, the state that shutter is in cover and ventilate.

Described edge draught line pass described counterweight walking beam and movable underbeam affixed, described lifting draught line passes blade and counterweight walking beam affixed with movable underbeam.

The middle part of described blade connects by flexible material, realizes the hinge structure of blade.

Described blade edge is along also being provided with reinforcing rib.

The beneficial effects of the utility model are:

Compared with prior art, inventive point of the present utility model is the blade that has adopted the hinge shape, because the blade of prior art is sheet, the shape of blade itself is changeless.And hinge structure of the present utility model makes the shape variable of blade itself.When pulling the middle part bracing wire to drive the middle part draught line, the middle part draught line upwards pulls the blade middle part, blade middle part protuberance, and blade is inverted V-shaped, and now, the blade parallel interval is arranged, and both reaches and can block, the effect that can ventilate again.

The accompanying drawing explanation

The utility model is described in further detail below in conjunction with accompanying drawing:

But Fig. 1 is the structural representation that the utility model can cover ventilation state;

But Fig. 2 is the structural representation that the utility model does not cover ventilation state;

Fig. 3 is the lateral view of state shown in Figure 1;

But being the utility model Leaf, Fig. 4 is in the structural representation that partly covers ventilation state while being flat;

Fig. 5 is the schematic diagram that the utility model Leaf launches;

Fig. 6 is the schematic diagram that the utility model Leaf is inverted V-shaped;

Fig. 7 is that fixedly upper beam is partly the structural representation of perspective.

The specific embodiment

Referring to Fig. 1 to Fig. 7, a kind of embodiment of the present utility model is shown, comprise fixing upper beam 1, movable underbeam 2, some parallel blades 3, lifting bracing wire 4, the lifting draught line 41 be connected with the lifting bracing wire.Wherein lifting bracing wire 4 is arranged in fixedly upper beam with the junction of lifting draught line 41, and this junction has been provided with the locking system (not shown), and when blade lifting bracing wire 4 is pulled down, but lifting draught line 41 moves upward and locking, and this structure belongs to prior art.This louvre also comprises at least two pairs through the blade both sides and is fixed on edge draught line 6 and the rotating shaft 5 be connected with edge draught line 6 on blade, this edge draught line 6 can be fixed on (this structure belongs to prior art) on blade by edge draught line 6 by the static line (not shown) on every a slice blade, also can establish in the blade both sides edge fixing hole 31, edge draught line 6 passes edge fixing hole 31 and is fixed on edge fixing hole 31, if by knotting or the mode such as bonding, be fixed on edge fixing hole 31, certainly can also edge draught line 6 be fixed on to the blade both sides by additive method.The operating principle that this rotating shaft 5 acts on edge draught line 6 belongs to prior art, namely by rotating shaft 5, can make blade along the A direction in Fig. 4 open, closure, now blade itself is straight sheet, and the change of shape does not all occur blade when the open and close occurred by action rotating shaft 5.This louvre also comprises that at least two are passed blade 3 middle parts and are fixed on middle part draught line 8 and the middle part bracing wire 7 be connected with the middle part draught line on blade 3, at the middle part of blade, establish middle part fixing hole 32, this middle part draught line 8 passes middle part fixing hole 32 and is fixed on the fixing hole 32 of middle part, if by knotting or the mode such as bonding, be fixed on the fixing hole 32 of middle part.This shutter also comprises a counterweight walking beam 9.Described blade 3 is abreast fixedly between upper beam 1 and counterweight walking beam 9, described counterweight walking beam 9 is between bottom a slice blade and movable underbeam 2, draught line 8 lower ends, described middle part and counterweight walking beam 9 are affixed, on counterweight walking beam 9, be provided with through hole 91, the through hole 91 that described edge draught line 6 passes on described counterweight walking beam 9 is affixed with movable underbeam 2.On blade, be provided with advance decline line hole 33, counterweight walking beam 9 is provided with lifting through hole 92, described lifting draught line 41 pass on blade advance decline line hole 33 and counterweight walking beam 9 on lifting through hole 92 affixed with movable underbeam 2.Described blade 3 is hinge type, and the middle part of blade connects by flexible material, realizes the hinge structure of blade.The junction (not shown) of described middle part bracing wire 7 and middle part draught line 8 is located at fixedly in upper beam, can keep the attractive in appearance of forms like this.This junction arranges an automatic locking mechanism (not shown) and controls the device (not shown) of middle part draught line decline length.This automatic locking mechanism belongs to prior art, is not repeated herein.The described device of controlling middle part draught line decline length can be realized in the following manner: in fixing upper beam inside, the coupling part of middle part bracing wire and middle part draught line arranges catch or knot 81, at fixing upper beam base plate 11, be provided with and pass through the hole (not shown) for what the middle part draught line passed through, the size of catch or knot 81, can not be by passing through hole than large by hole.When pulling middle part bracing wire 7 downwards, middle part draught line 8 moves upward, and under the draw of middle part draught line 8, power is upwards all born at the blade middle part, because edge draught line 6 and movable underbeam 2 are affixed, therefore under the Action of Gravity Field of movable underbeam 2, edge draught line 6 can not pulled, causes blade 3 both sides motionless, thereby make blade middle part protuberance, form inverted V-shaped, the state (see figure 1) that shutter is in cover and ventilates, simultaneously in the middle part of draught line 8 by 9 pull-ups of counterweight walking beam; Pull again middle part bracing wire 7 downwards, under the effect of automatic locking mechanism, loosened middle part bracing wire 7, Action of Gravity Field due to counterweight walking beam 9, blade middle part is pulled, because catch or knot can not, by by hole, lock the middle part draught line downwards, thereby the blade middle part is no longer moved down, make blade 3 remain on straightened condition.Wherein middle part bracing wire 7 and middle part draught line 8 can be two parts of a line, and lifting bracing wire 4 can be two parts of a line with lifting draught line 41.

For make blade 3 repeatedly rotating, launch, do not deform in turning up process, blade edge is along also being provided with reinforcing rib 34.

Claims

1. shutter, comprise fixedly upper beam, movable underbeam, some parallel blades, the lifting bracing wire, the lifting draught line be connected with the lifting bracing wire, at least two pairs are passed through the blade both sides and are fixed on edge draught line and the rotating shaft be connected with the edge draught line on blade, it is characterized in that: shutter also comprises that at least two are passed the blade middle part and are fixed on middle part draught line and the middle part bracing wire be connected with the middle part draught line on blade, one counterweight walking beam, draught line lower end, described middle part and counterweight walking beam are affixed, described blade is hinge type, the bracing wire of described middle part and draught line junction, middle part arrange an automatic locking mechanism and control the device of middle part draught line decline length.

2. shutter according to claim 1 is characterized in that: described hinge type blade, and when blade upwards becomes inverted V-shaped under the effect of traction at the middle part draught line, the state that shutter is in cover and ventilate.

3. shutter according to claim 1 is characterized in that: described edge draught line pass described counterweight walking beam and movable underbeam affixed, described lifting draught line passes blade and counterweight walking beam affixed with movable underbeam.

4. according to the described shutter of one of claim 1-3, it is characterized in that: the middle part of blade connects by flexible material, realizes the hinge structure of blade.

5. shutter according to claim 4 is characterized in that: blade edge is along also being provided with reinforcing rib.