CN201301625Y

CN201301625Y - Chain window opener and hung window with same

Info

Publication number: CN201301625Y
Application number: CNU2008202096954U
Authority: CN
Inventors: 刘梅; 于伟星
Original assignee: Geze Industries Tianjin Co Ltd
Current assignee: Geze Industries Tianjin Co Ltd
Priority date: 2008-11-14
Filing date: 2008-11-14
Publication date: 2009-09-02
Anticipated expiration: 2018-11-14

Abstract

The utility model provides a chain window opener and a hung window with the same. The chain window opener comprises a sprocket wheel, chains and a chain support, wherein the sprocket wheel is arranged inside a casing body, the chains driven by the sprocket wheel extend out or retract to the casing body and surround the chain support. Further, the chain support matches with a chain swing mechanism which is composed of a swing hook and a torsion spring, wherein the swing hook is connected to the casing body, and the torsion spring arranged between the casing body and the swing hook drives the swing hook to selectively hook a chain shaft of the chains which is driven to rotate by the swing hook. The utility model has the advantages that the chain swing gear utilizes characteristics of chains to enable the chains to swing link by link and the chains can be coiled in the casing body, thereby saving space and lowering manufacturing costs.

Description

Chain type window opener and have the outstanding of this chain type window opener and window

Technical field

The utility model relates to a kind of chain type window opener and has the outstanding of this chain type window opener windows.

Background technology

In recent years, the window opener that is used to open and close window is able to extensive use in builing industry.Wherein, the chain type window opener is simple in structure with it, volume is little and favored by the customer.The chain type window opener comprises intermeshing chain and the sprocket wheel that is contained in the housing, and chain shaft is stirred by sprocket and driven chain and advance or retreat, thereby opens or closes window.When closing window, chain is retracted in the housing by joint along chain stay.In the prior art, in order to make chain be retracted in the housing in an orderly manner, the length of chain stay will be subjected to the influence of chain length, when chain length is longer, the also necessary long enough of chain stay is to guarantee therefore chain can be received in the housing, along chain stay, the corresponding increase that takes up room of housing, not only increasing cost also influences product appearance.

The utility model content

The utility model is intended to solve the aforementioned problems in the prior, and therefore, the utility model proposes a kind of novel chain type window opener and have the outstanding of this chain type window opener and window.

Provide a kind of chain type window opener according to an aspect of the present utility model, comprise: be arranged at sprocket wheel, chain and chain stay in the housing, described sprocket wheel drives described chain and stretches out or be retracted in the described housing around described chain stay, wherein, on described chain stay, be combined with the chain slew gear, described chain slew gear comprises: rotary hook is connected on the described housing; And torque spring, be arranged between described rotary hook and the described housing, drive described rotary hook and optionally hook the chain shaft of described chain and drive described chain shaft rotation.

Preferably, described rotary hook optionally hook described chain place, close end chain shaft and drive described chain shaft and rotate.

Preferably, described rotary hook is connected to gyroaxis, and described gyroaxis is connected on the described housing, and described torque spring is enclosed within on the described gyroaxis and between described housing and described rotary hook.

Preferably, described gyroaxis is relative with the end away from described sprocket wheel of described chain stay.

Preferably, described rotary hook and described gyroaxis are integral structure.

Preferably, described gyroaxis be located at described housing be in the axle sleeve of one.

Have the outstanding of described chain type window opener and window according to of the present utility model providing on the other hand.

According to chain type window opener of the present utility model owing to be provided with the chain slew gear, thereby make when closing window, chain can be under slew gear drives in order the domain in housing, thereby save the space, reduce cost of manufacture.

Description of drawings

Fig. 1 schematically shows according to the utility model embodiment chain type window opener and stretches out or regain the vertical view of moment at chain;

Fig. 2 schematically shows along the sectional view of Fig. 1 center line A-A intercepting; And

Fig. 3 schematically shows chain dish according to the utility model embodiment chain type window opener partial view in housing the time.

The specific embodiment

Reach specific embodiment below with reference to accompanying drawings to being described in detail according to chain type window opener of the present utility model and outstanding windowing with this chain type window opener.

Fig. 1 schematically shows the vertical view that stretches out or regain moment according to the chain type window opener of the utility model embodiment at chain; And Fig. 2 schematically shows along the sectional view of Fig. 1 center line A-A intercepting.As depicted in figs. 1 and 2, comprise according to chain type window opener of the present utility model: housing 1 and the sprocket wheel 4 and chain 5 that are arranged in the housing 1.Housing 1 is arranged on the window frame (not shown), and sprocket wheel 4 rotates by the driving such as the drive unit of motor 2 and reducer 3, with chain 5 engagements.One end of chain 5 is connected with outstanding forms (not shown) of windowing, and stretches out or is retracted in the housing and the other end stretches in the housing 1 and center on chain stay 8.To open the window is example, and as can be seen from Figure 1, under the driving of motor 2, reducer 3 drives sprocket wheel 4 and rotates, and the chain 5 that the tooth of sprocket wheel 4 is stirred in the housing 1 stretches out housing 1 by joint, to open the window.Particularly, the tooth surface of sprocket wheel 4 engages between two adjacent chain shafts of chain 5, stretches out housing 1 thereby drive chain 5 by joint.Similarly, when closing window, sprocket wheel 4 drives chain 5 and is recovered in the housing 1 by joint.

Different is that as depicted in figs. 1 and 2, the chain type window opener of this embodiment also is provided with the chain slew gear with the chain type window opener of prior art.In this embodiment, the chain slew gear is preferably located near the end away from sprocket wheel 4 of chain stay 8, and particularly, this chain slew gear comprises rotary hook 7 and torque spring 9.In this embodiment, rotary hook 7 is connected on the gyroaxis 10 and turns.Gyroaxis 10 is located in the axle sleeve (not shown) on the housing 1, and preferably, this axle sleeve can be integral structure (such as passing through die cast) with housing 1, and rotary hook 7 can be an integral structure with gyroaxis 10.9 of torque springs are enclosed within on the gyroaxis 10 and between housing 1 and rotary hook 7, drive rotary hook 7 when stressed and hook the chain shaft of chain 5 and drive this chain shaft rotation.As shown in Figure 1, in this embodiment, rotary hook 7 is set to hook the chain shaft 6 near its end of chain 5.

The course of work of the chain slew gear of the utility model chain type window opener is described below in conjunction with Fig. 1 to Fig. 3.As shown in Figure 1, when closing window, motor 2 drives reducer 3 and rotates, sprocket wheel 4 drives chain 5 and is regained by joint by housing outer chain stay 8, rotary hook 7 be positioned at chain 5 must through track on, when the chain shaft 6 of end is turned, chain shaft 6 is hooked by rotary hook 7, whole chain 5 still has the trend that moves downward, torque spring is stressed to make rotary hook 7 dextrorotations turn 90 degrees, and turn 90 degrees to position shown in Figure 3 thereby drive chain shaft 6 dextrorotations, and the remainder of chain 5 is regained by joint successively, finally promptly become state shown in Figure 3, chain 5 orderly domains are in housing 1.Compare with the chain type window opener that does not have slew gear, can reduce the size of chain stay 8, reduce shell dimension then, not only save cost of manufacture, also make product compacter.

Similarly, when opeing the window, motor 2 drives reducer 3 reverse rotations, make sprocket wheel 4 drive chain 5 by stretching out by joint in the shell, final, torque spring 9 is subjected to the opposite force effect to make rotary hook 7 rotate counterclockwise 90 degree, thereby send chain shaft 6 back to original track, and rotary hook 7 comes back to it on the initial position on the chain frame 8, waits for that chain is regained next time, as shown in Figure 1.

According to chain type window opener of the present utility model, utilize the characteristic of chain to make chain pursue the joint revolution, be a kind of simple effective method.When window was closed, the chain of dish in housing was hidden in chain inside with the chain slewing equipment, do not influence overall dimensions; When slew gear is worked,, make chain stress equalization up and down, thereby can not produce additional load or the moment of turning round, bending because rotary hook is preferably placed at the centre position of chain shaft.

Although describe embodiment of the present utility model with reference to the accompanying drawings, but should be appreciated that, under the situation that does not break away from scope and spirit of the present utility model, those skilled in the relevant art can make variations and modifications, and all changes and modification all are intended to be comprised by claims.

Claims

1. chain type window opener, comprise the sprocket wheel (4), chain (5) and the chain stay (8) that are arranged in the housing (1), described sprocket wheel (4) drives described chain (5) and stretches out or be retracted in the described housing (1) around described chain stay (8), it is characterized in that, on described chain stay (8), be combined with the chain slew gear, described chain slew gear comprises: rotary hook (7) is connected on the described housing (1); And torque spring (9), be assemblied between described rotary hook (7) and the housing (1), drive described rotary hook (7) and optionally hook the chain shaft of described chain (5) and drive described chain shaft rotation.

2. chain type window opener according to claim 1 is characterized in that, described rotary hook (7) optionally hook described chain (5) place, close end chain shaft (6) and drive described chain shaft (6) and rotate.

3. chain type window opener according to claim 1 is characterized in that, described rotary hook (7) is connected to gyroaxis (10), and described gyroaxis (10) is connected in described housing (1), and described torque spring (9) is enclosed within on the described gyroaxis (10).

4. chain type window opener according to claim 3 is characterized in that, described gyroaxis (10) is relative with the end away from described sprocket wheel (4) of described chain stay (8).

5. chain type window opener according to claim 3 is characterized in that, described rotary hook (7) is an integral structure with described gyroaxis (10).

6. chain type window opener according to claim 5 is characterized in that, described gyroaxis (10) be located at described housing (1) in the axle sleeve of one.

7. outstanding windowing is characterized in that, comprises the described chain type window opener of above any claim.