Anti-tilting transmission mechanism for doors and windows

Abstract

An anti-tilting transmission mechanism for doors and windows includes a first fixed plate, a second fixed plate, a transmission gear located between the first fixed plate and the second fixed plate, and a transmission rack, wherein: two guide though-holes are respectively provided on two ends of the second fixed plate; two threaded columns, which are capable of moving back and forth, are respectively located within the guide though-holes; two limit ribs are respectively located at an outer edge of a rear end of the threaded columns; two compression springs are respectively located between the first fixed plate and the threaded columns; each of the threaded columns has a threaded hole axially provided thereon, so that after passing through a door and window profile, screws are respectively tightened with the threaded holes on the threaded columns, so as to fix the transmission mechanism onto the door and window profile.

Claims

1. An anti-tilting transmission mechanism for doors and windows comprising: a first fixed plate (1), a second fixed plate (4) riveted with the first fixed plate (1), a transmission gear located between the first fixed plate (1) and the second fixed plate (4), and a transmission rack (9) located between the first fixed plate (1) and the second fixed plate (4), wherein: two guide though-holes (6) are respectively provided on two ends of the second fixed plate (4); two threaded columns (3), which are capable of moving back and forth, are respectively located within the two guide though-holes (6); two limit ribs (10) are respectively located at an outer edge of a rear end of the two threaded columns (3); two compression springs (2) are respectively located between the first fixed plate (1) and the two threaded columns (3); each of the two threaded columns (3) has a threaded hole (7) axially provided thereon, so that after passing through a door and window profile, screws are respectively tightened with the two threaded holes (7) on the two threaded columns (3), so as to fix the transmission mechanism onto the doors and windows.

2. The anti-tilting transmission mechanism for the doors and windows, as recited in claim 1, wherein: two through-hole seats (5) are respectively located at two ends of the first fixed plate (1), the two guide though-holes (6) provided on the second fixed plate (4) are respectively corresponding to the two through-hole seats (5), the two compression springs (2) are respectively sleeved outside the through-hole seats (5), and each of the two threaded columns (3) has a recess (8) at the rear end thereof for accommodating each of the compression springs (2).

3. The anti-tilting transmission mechanism for the doors and windows, as recited in claim 2, wherein: in an initial state, each of the two compression springs (2) and each of the two through-hole seats (5) are inserted into the recess (8) at the rear end of each of the two threaded columns (3), so that the two threaded columns (3) are located within a cavity defined by the first fixed plate (1) and the second fixed plate (4) riveted with the first fixed plate (1); with screwing of screws, the threaded columns (3) are respectively forced and ejected toward a transmission handle under an action of the compression springs (2).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention is further explained with accompanying drawings as follows.

[0013] FIG. 1 is a schematic diagram of a transmission mechanism provided by the present invention which cooperates with a door and window profile and a transmission handle.

[0014] FIG. 2 is a three-dimensionally schematic diagram of the transmission mechanism provided by the present invention.

[0015] FIG. 3 is a main view of the transmission mechanism provided by the present invention.

[0016] FIG. 4 is an A-A sectional view of the transmission mechanism in FIG. 3.

[0017] FIG. 5 is an A-A sectional view of the transmission mechanism in FIG. 3 in an initial state.

[0018] FIG. 6 is a sectional view of the transmission mechanism provided by the present invention which cooperates with the door and window profile.

[0019] In the drawings, 100: door and window profile; 200: anti-tilting transmission mechanism for doors and windows; 300: transmission handle; 400: screw; 1: first fixed plate; 2: compression spring; 3: threaded column; 4: second fixed plate; 5: through-hole seat; 6: guide through-hole; 7: threaded hole; 8: recess; 9: transmission rack; 10: limit rib.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0020] The present invention will be further described in detail with accompanying embodiments as follows.

[0021] As shown in FIGS. 1-4, an anti-tilting transmission mechanism for doors and windows 200 according to a preferred embodiment of the present invention is illustrated, which comprises a first fixed plate 1, a second fixed plate 4 riveted with the first fixed plate 1, a transmission gear (not shown in the drawings) located between the first fixed to plate 1 and the second fixed plate 4, and a transmission rack 9 located between the first fixed plate 1 and the second fixed plate 4, wherein: a square shaft of a transmission handle 300 passes through the transmission gear of the transmission mechanism 200 for driving the transmission gear to rotate, so as to further drive the transmission rack 9 to move along a straight line, thereby realizing the transmission between the transmission handle 300 and a locking mechanism. Two through-hole seats 5 are respectively located at two ends of the first fixed plate 1, two guide though-holes 6 are respectively provided on two ends of the second fixed plate 4 and are respectively corresponding to the two through-hole seats 5. Two compression springs 2 are respectively sleeved outside the two through-hole seats 5. Two threaded columns 3, which are capable of moving back and forth, are respectively located within the two guide though-holes 6. Two limit ribs 10 are respectively located at an outer edge of a rear end of the two threaded columns 3. Each of the threaded columns 3 has a recess 8 at the rear end thereof for accommodating each of the compression springs 2, and has a threaded hole 7 axially provided thereon. Through screws 400, the transmission mechanism 200 is fixed to a door and window profile 100.

[0022] According to the preferred embodiment of the present invention, the transmission mechanism 200 is installed within an aluminum alloy European standard notch; the transmission handle 300 has two screw holes for allowing the screws 400 to pass through the door and window profile 100, so as to fix the transmission handle 300 with the transmission mechanism 200.

[0023] In an initial state, each of the two compression springs 2 and each of the two through-hole seats 5 are inserted into the recess 8 at the rear end of each of the two threaded columns 3 of the transmission mechanism 200, so that the two threaded columns 3 are located within a cavity defined by the first fixed plate 1 and the second fixed plate 4 riveted with the first fixed plate 1; with the screwing of the screws 400, the two threaded columns 3 are respectively forced and ejected toward the transmission handle 300 (namely, a side of the transmission mechanism 200 where the screws 400 are mounted) under an action of the two compression springs 2; when the screws 400 are tightened, the two threaded columns 3 contact with the door and window profile 100, as shown in FIG. 6, the compression rings 2 play a support role between both the first fixed plate 1 and the second fixed plate 4 and the two threaded columns 3 to maintain a stable state, so as to ensure that the transmission mechanism 200 is not interfered by external forces, thereby effectively preventing the transmission mechanism 200 from tilting during installation, ensuring installation stability.

[0024] It should be noted that the above embodiment is only used to illustrate the technical solution of the present invention and is not intended to be limiting, although the present invention has be described in detail with reference to the preferred embodiment, those skilled in the art should understand that the technical solution of the present invention may be modified or equivalently substituted without departing from the spirit and scope of the technical solution of the present invention which should be included in the protective scope of the claims of the present invention.