CN211549279U - Screen window pulley with adjustable height - Google Patents

Abstract

The utility model relates to a door and window accessory technical field specifically discloses a screen window pulley with adjustable height, its characterized in that: including fixed frame (1), worm (3), gear (4) and pulley (5), its characterized in that: a strip-shaped mounting plate (2) is arranged on the fixed frame (1), a hollow through cavity (8) for mounting the gear (4) is arranged below the mounting plate (2), a connecting arm (6) which is integrally formed with the gear (4) is arranged on one side of the gear (4), and the connecting arm (6) penetrates through the hollow through cavity (8) and is connected with the pulley (5) in a rotating mode; the hollow through cavity (8) and the mounting plate (2) are clamped with a caulking groove (7), the worm (3) is clamped in the caulking groove (7) and meshed with the gear (4), and the worm gear fixing device is simple in structure, firm in fixing, easy to adjust and capable of being used in left and right directions.

Description

Screen window pulley with adjustable height

Technical Field

The utility model relates to a door and window accessory technical field, concretely relates to screen window pulley with adjustable height.

Background

The screen window is used as a main mode of mosquito prevention, theft prevention and protection, is a channel for communication between people and the environment, can effectively prevent insects such as mosquitoes, flies and the like from flying or climbing into the screen window, can prevent close contact with the mosquitoes while ventilating and ventilating to be close to nature, can filter sundries entering a room, prevents the sundries in the air from polluting the room, enables the home environment to be cleaner, and is more beneficial to health. The type of screen window mainly has stealthy screen window, can dismantle screen window, roll up curtain screen window etc. and the most common is the push-and-pull screen window of horizontal slip in the spout of window frame, for making the push-and-pull more smooth and easy generally install the pulley in the bottom of screen window, the pulley uses with the spout cooperation. During the installation, the screen window need with the inboard high cooperation of window frame, when the screen window is too high, can't install in the window frame, when the screen window is low excessively, installs and drops easily in the window frame, consequently need highly adjust the pulley.

In the prior art, the screen window pulley with adjustable height has a complex structure and is complex to install. If the Chinese invention discloses a screen window pulley with adjustable height, which is disclosed by the Chinese invention publication patent with the application publication number of CN106014050A and the application publication date of 2016, 10 and 12, the screen window pulley comprises a fixed seat and a wheel connected with the fixed seat, wherein the fixed seat is connected with the wheel through a height adjusting component, the fixed seat is wrapped by a transverse fixed plate and a vertical fixed plate which are vertically connected, and the height adjusting component comprises a wheel carrier, a lifting plate and a supporting plate; the lifting plate is fixedly connected with the wheel carrier, the lifting plate can move vertically along the vertical fixing plate, one end of the supporting plate is hinged with the wheel carrier, the other end of the supporting plate is provided with a hinge shaft, the transverse fixing plate is provided with a pair of lug plates, the lug plates are provided with positioning holes, and the hinge shafts are matched with the holes in the lug plates.

Above-mentioned scheme is through adjusting the height of lifter regulation wheel position to fix on vertical fixed plate through set screw fastening, its installation is loaded down with trivial details, and need adjust the side many times and can adjust the target in place.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem that current screen window pulley exists, the utility model provides a screen window pulley with adjustable height, its simple structure, it is fixed firm, easily adjust, and can control generally.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a screen window pulley with adjustable height, includes fixed frame, worm, gear and pulley, its characterized in that:

a strip-shaped mounting plate is arranged on the fixed frame, a hollow through cavity for mounting the gear is arranged below the mounting plate, a connecting arm integrally formed with the gear is arranged on one side of the gear, and the connecting arm penetrates through the hollow through cavity to be connected with the pulley in a rotating mode;

a caulking groove is arranged between the hollow through cavity and the mounting plate in a clamped mode, and the worm is clamped and embedded in the caulking groove and meshed with the gear.

Furthermore, the outer side end of the worm is provided with a groove which is used for driving the worm to rotate through external force and driving the pulley to lift up and down through a gear.

Further, the groove is any one of a straight shape, a cross shape or a plum blossom shape.

Furthermore, the front end of the mounting plate is provided with a trapezoidal ear plate perpendicular to the mounting plate.

Furthermore, the front wall and the rear wall of the hollow through cavity are provided with assembling holes adapted to the axle center of the gear.

The utility model discloses a beneficial effect is: through set up the linking arm with gear integrated into one piece in gear one side, the gear passes through the linking arm to be connected with the pulley rotation to set up the worm that meshes mutually with the gear, through the recess that rotates the end of the worm outside, reciprocate with the drive pulley, thereby adjust the height of pulley, and control when whole device installation and pass through, adjustment process is simple convenient. Meanwhile, the fixed frame is provided with a caulking groove for embedding the worm in a clamping manner and a hollow through cavity for installing the gear, and the front wall and the rear wall of the hollow through cavity are respectively provided with an assembling hole matched with the axis of the gear, so that the pulley adjusting assembly is firmly fixed and is not easy to fall off.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the connection of the worm, gear and pulley;

FIG. 3 is a schematic view of the connection of the gears to the pulleys;

FIG. 4 is a schematic structural view of a fixed frame;

fig. 5 is a schematic view of the installation effect of the present invention.

In the figure: 1. a fixed frame; 2. mounting a plate; 3. a worm; 4. a gear; 5. a pulley; 6. a connecting arm; 7. caulking grooves; 8. a hollow through cavity; 9. an assembly hole; 10. mounting holes; 11. a groove; 12. an ear plate; 13. a supporting seat; 14. a screen window; 15. a window frame; 16. a chute.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description of the present invention with reference to the accompanying drawings and embodiments is made.

As shown in fig. 1 to 5, the screen window pulley with adjustable height of the present invention includes a fixing frame 1, a worm 3, a gear 4 and a pulley 5.

One side of the gear 4 is provided with a connecting arm 6 which is integrally formed with the gear 4, the gear 4 is rotationally connected with the pulley 5 through the connecting arm 6, the worm 3 is meshed with the gear 4, two ends of the worm 3 are provided with grooves 11, and the grooves 11 can be in any one of a straight shape, a cross shape or a quincunx shape. The worm 3 is driven to rotate by external force through the groove 11, the rotation of the worm 3 can drive the gear 4 meshed with the worm to rotate along with the worm, and the gear 4 drives the pulley 5 to move up and down through the connecting arm 6.

Be equipped with the mounting panel 2 of a bar on the fixed frame 1, the below of mounting panel 2 is equipped with caulking groove 7 and cavity 8 that leads to, and worm 3 inlay card is in caulking groove 7, and gear 4 is installed in cavity 8 that leads to, and the cavity leads to the wall around 8 and is equipped with the pilot hole 9 that suits with the axle center of gear 4 respectively, and whole fixed knot of structure is firm, is difficult for droing.

The upper surface of the mounting plate 2 is provided with a plurality of mounting holes 10 for being fixedly mounted with a screen window, the front wall of the fixed base 1 is provided with a trapezoidal ear plate 12 perpendicular to the mounting plate 2, and the bottom end of the fixed base 1 is provided with a supporting seat 13.

When the screen window is installed, the screen window 14 is firstly fixed in the installation hole 10 on the installation plate 2 by screws, then the upper part of the screen window 14 is installed in the window frame 15 at the upper end, the pulley 5 is installed in the sliding groove 16 at the lower end of the window frame 15, the supporting seat 13 is supported at the upper edge of the sliding groove 16, the lug plate 12 on the front wall of the fixed base 1 and the rear wall of the fixed base 1 are clamped and sleeved in the window frame 15, and the two screen window pulleys are positively and negatively installed at two sides of the window frame. When the height of the pulley 5 is adjusted, the worm 3 is rotated by a screwdriver through the groove 11 at the end of the worm 3, so that the height of the pulley 5 is adjusted.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims (5)

1. The utility model provides a screen window pulley with adjustable height, includes fixed frame (1), worm (3), gear (4) and pulley (5), its characterized in that:

a strip-shaped mounting plate (2) is arranged on the fixed frame (1), a hollow through cavity (8) for mounting the gear (4) is arranged below the mounting plate (2), a connecting arm (6) which is integrally formed with the gear (4) is arranged on one side of the gear (4), and the connecting arm (6) penetrates through the hollow through cavity (8) and is connected with the pulley (5) in a rotating mode;

a caulking groove (7) is clamped between the hollow through cavity (8) and the mounting plate (2), and the worm (3) is clamped in the caulking groove (7) and meshed with the gear (4).

2. The height adjustable screen pulley according to claim 1, wherein: the outer side end of the worm (3) is provided with a groove (11) which is used for driving the worm (3) to rotate through external force and driving the pulley (5) to ascend and descend through the gear (4).

3. A height adjustable screen pulley according to claim 2, wherein: the groove (11) is in any one of a straight shape, a cross shape or a plum blossom shape.

4. The height adjustable screen pulley according to claim 1, wherein: the front end of the mounting plate (2) is provided with a trapezoidal ear plate (12) which is perpendicular to the mounting plate (2).

5. The height adjustable screen pulley according to claim 1, wherein: the front wall and the rear wall of the hollow through cavity (8) are provided with assembly holes (9) adapted to the axle center of the gear (4).

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