CN202544610U - Chain type window opening machine - Google Patents

Abstract

The utility model discloses a chain type window opening machine comprising a box body for containing a motor. The box body is internally provided with a chain which is driven by the motor; the bottom of the box body is provided with a guide groove for guiding the chain; and the guide groove comprises a first part which vertically extends along the box body and a second part connected with the first part. The chain type window opening machine is characterized in that the second part is an arc-shaped structure which is formed by bending from the inner end of the first part. A guide piece is arranged and a separation plate is additionally arranged between two lateral arms of a U-shaped plate; when the front part of the chain is bent to extend towards two vertical directions, the vertical direction of the inner side (namely a vertical extending section from the top) leans against one side of the separation plate, and the lateral face of the separation plate is smooth, so that the operation speed of the chain can be guaranteed and the chain can be better guided in a retracting process.

Description

The chain type window opening device

Technical field

The utility model relates to a kind of window opening device, especially a kind of chain type window opening device.

Background technology

Window opening device is through motor-driven, can open or close the equipment of window automatically, is mainly used in higher, unsuitable manually opened high-light window, like large-scale sports palace, industrial premises, waiting hall for airplanes etc.Window opening device also can be set up temperature pick up, wind and rain sensor etc. as required to control the switching of window automatically according to environmental change.

Existing window opening device mainly is divided into chain type window opening device, rack rails formula window opening device and screw window opening device.Wherein, the chain type window opening device generally includes box body, and is contained in the chain in the box body, and the terminal of chain box body outside is connected with window, chain under the driving of motor, in box body along the path of presetting the opening through box body, open or close window with this.Motor is by control system its stroke of control, so that window is opened the position that is mixing up in advance.

Like the disclosed a kind of chain type actuator of EP1264955B1, comprise box type container, box type container comprises the longitudinal extension sidewall and to horizontal wall extension.The motor reduction box of ining succession in the box type container, the output of reduction box connects an actuating mechanism, and said actuating mechanism comprises at least one chain movably, and chain is made up of a series of chain links that are hinged.Said chain has an exterior terminal, is used for the corresponding outside opening pass-out from said boxlike main body.Said chain type actuator further comprises the guiding groove of at least one longitudinal extension; Guiding groove is formed at the bottom of said box type container; Said groove comprises and vertical parallel first of wall; And it is spacing that its first terminal or initiating terminal have formed of chain, and the said first second portion of ining succession, second portion tilt to be connected with first and have second terminal that is positioned at the central area; Said chain has an internal terminal and has individual limit configuration to slide against in the said groove, and the limit configuration sliding trajectory is second terminal of first terminal when stretching out when withdrawing.Said chain type actuator comprises that further being used for said chain is stretching out the crooked guiding device that spirals when shrinking; Said guiding device comprises the guiding block of a periphery; Guiding block comprises a U template spare longitudinally; U template spare has the vertical limit, inside that is installed on the chain the inside, and at up and down between the sheet metal of each chain link.The lengthwise of U template spare extends leg has the inside edge with two opposite edges portions, has the lateral separation of washability between two opposite edges portions, constitutes be large enough to hold compact chain three the roughly spaces of the parallel extension of lengthwise.

Yet, above-mentioned this window opening device, two parts of its guiding groove are inclined; Chain bends by means of the interaction force between limit configuration and the guiding groove end; And then become two longitudinal extensions, yet this process must guarantee the smoothness of chain, not so makes probably to occur retardance in the chain head telescopic process; Move it and have some setbacks the influence use; In addition; When the chain front portion is bent into two longitudinal extensions; The inboard longitudinal extension longitudinal extension section of head (promptly from) is resisted against the longitudinal extension section at chain rear portion and receives reverse active force and can bend to guarantee the front portion; Yet the extension at chain rear portion its by the contact side non-smooth surface, influence the speed of service of chain.

The utility model content

The utility model technical problem to be solved provides that a kind of guiding is effective, the flexible chain type window opening device easily of chain.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of chain type window opening device; The box body that comprises ccontaining motor; Be provided with chain in the said box body through said driven by motor; The bottom of said box body is provided with the guiding groove of the said chain of guiding; Said guiding groove comprises along the first of said box body longitudinal extension and the second portion that is connected with said first, it is characterized in that the arcuate structure that said second portion begins to be bent to form for the inner from said first.

Further, the inner end of said chain is provided with the guiding structure that can in said guiding groove, slide, and the end of the second portion of said guiding structure and said guiding groove forms position limiting structure.This guiding structure slides in guiding groove, stop when arriving guiding groove second portion end, the remainder of chain continue displacement disc around.

Preferably, said guiding structure is pin.

Also be provided with the guide member that is used to guide said chain in the said box body, said guide member makes chain along the coiling of the shape of guide member between the inner chain sheet that said chain is arranged up and down, can well compact disk around the space.

Said guide member comprises the U-shaped plate and bends inwards in the end of a side arm of said U-shaped plate and form the demarcation strip of longitudinal extension, can play the guiding function that arrives very much for the chain of three the longitudinal extensions parts in coiling city.

Preferably, the free end of said demarcation strip extends to the terminal position of said second portion.

Further, can hold the part of two longitudinal extensions of said chain between said demarcation strip and said side arm at least, the chain coiling is compact, the box space saving.

Further, said second portion is positioned at said box body horizontal direction position intermediate, makes chain in box body, roughly distribute uniformly.

Compared with prior art; The advantage of the utility model is: be the second portion of arc through the first that guiding groove is arranged to longitudinal extension from first's end bending; The inner end of guide chain makes chain more smooth and easy in telescopic process better; Guide member is set; Between two side arms of U-shaped plate, set up demarcation strip; When the chain front portion was bent into two longitudinal extensions, the inboard longitudinal extension longitudinal extension section of head (promptly from) was resisted against a side of demarcation strip, and the side of demarcation strip is level and smooth; Can guarantee the speed of service of chain, also can in telescopic process, play better guiding function chain.

Description of drawings

Fig. 1 is the sketch map of the chain type window opening device of the utility model;

Fig. 2 is the partial schematic diagram of the chain type window opening device of the utility model;

Fig. 3 is the partial schematic diagram of the chain type window opening device of the utility model;

Fig. 4 is the chain of the utility model and the sketch map of guide thereof.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Referring to Fig. 1, a kind of chain type window opening device comprises the box body 1 with loam cake and lower cover, is equipped with the motor 2 that drives usefulness in the box body 1, and motor 2 is through transmission mechanism, moves along desired trajectory like gear set drive chain 3.Box body 1 is elongated; The position has an opening 11 wherein, when chain 3 under the driving of motor 2 during telescopic moving, its outer end 31 with the remainder of chain 3 from these opening 11 turnover box bodys 1; Has connecting axle 4 on the outer end 31; Window is used for being fixedly connected, so that when chain 3 stretched, can open or close thereupon with the window of action required.

Referring to Fig. 2 and Fig. 3; Chain 3 telescopic moving in the segment space of box body 1; Chain 3 comprise many to be respectively up and down the inner chain sheet arranged 32,32 ' with outer chain sheet 33,33 '; Each of alternately arranging to inner chain sheet 32,32 ' through parallel trundle 34 sequentially be connected to alternately arrange each to outer chain sheet 33,33 ', make chain 3 both can keep whole moving also can locate bending at an arbitrary position thus.Be provided with guide member 5 in the box body 1, comprise U-shaped plate 51 and one of U-shaped plate 51 longitudinally the end of side arm 52 bend inwards and form the demarcation strip 53 of longitudinal extension, the end of another side arm 54 is bent to form vertical lateral part.Wherein and the side arm 52 that connects of demarcation strip 53 and the space between the demarcation strip 53 two longitudinal extension parts being enough to hold chain 3; And the space between another side arm 54 and the demarcation strip 53 is enough to hold a longitudinal extension part of chain 3, and side arm 52,54 is connected by linking arm 55.Guide member 5 is positioned at the inner chain sheet 32 of chain 3, between 32 ', thus, chain 3 can move along guide member 5.

Referring to Fig. 4; The bottom inside of box body 1 is provided with guiding groove 6, and guiding groove 6 comprises two parts, and first 61 is along the sidewall longitudinal extension of box body 1; Second portion 62 is connected with first 61, begins to bend to the arc that is positioned at box body 1 lateral mid-point place by the inner of first 61.The parallel sidewalls of the demarcation strip that is bent to form 53 and box body 1, its free end extend to until with the end of second portion 62, with moving of better guiding chain 3.The inner end 35 of chain 3 is provided with guiding structure 36, and it slides in guiding groove 6.Guiding structure 36, preferred, can be pin.

When motor 2 powered on operation, chain 3 was flexible under the drive of transmission mechanism.As when opeing the window, chain 3 trails along guide member 5, thereby its outer end 31 is outwards released window is pushed open.When closing window; Chain 3 is along guide member 5 coiling retractions, and wherein, guiding structure 36 slides in guiding groove 6; When the end of the second portion 62 that arrives arcs when guiding structure 36; Inner end 35 will be no longer mobile, and this moment, the remainder of chain 3 continued to move along guide member 5, up to the part that is coiled into three longitudinal extensions.

The above is merely the preferred implementation of the utility model; Should be pointed out that for those of ordinary skill in the art, do not breaking away under the principle prerequisite of the utility model; Can also make various deformation and improvement, this also should be regarded as the protection domain of the utility model.

Claims (8)

1. chain type window opening device; The box body (1) that comprises ccontaining motor (2); Be provided with the chain (3) that drives through said motor (2) in the said box body (1); The bottom of said box body (1) is provided with the guiding groove (6) of the said chain of guiding (3); Said guiding groove (6) comprises along the first (61) of said box body (1) longitudinal extension and the second portion (62) that is connected with said first (61), it is characterized in that the arcuate structure that said second portion (62) begins to be bent to form for the inner from said first (61).

2. chain type window opening device as claimed in claim 1; It is characterized in that; The inner end (35) of said chain (3) is provided with the guiding structure (36) that can in said guiding groove (6), slide, and the end of the second portion (62) of said guiding structure (36) and said guiding groove (6) forms position limiting structure.

3. chain type window opening device as claimed in claim 2 is characterized in that, said guiding structure (36) is pin.

4. like each described chain type window opening device among the claim 1-3; It is characterized in that; Also be provided with the guide member (5) that is used to guide said chain (3) in the said box body (1), said guide member (5) is positioned between the inner chain sheet (32,32 ') that said chain (3) arranges up and down.

5. chain type window opening device as claimed in claim 4 is characterized in that, said guide member (5) comprises U-shaped plate (51) and bends inwards in the end of the side arm (52) of said U-shaped plate (51) and forms the demarcation strip (53) of longitudinal extension.

6. chain type window opening device as claimed in claim 5 is characterized in that, the free end of said demarcation strip (53) extends to the terminal position of said second portion (62).

7. chain type window opening device as claimed in claim 6 is characterized in that, can hold the part of (3) two longitudinal extensions of said chain between said demarcation strip (53) and said side arm (52) at least.

8. chain type window opening device as claimed in claim 1 is characterized in that, said second portion (62) is positioned at said box body (1) horizontal direction position intermediate.

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