CN215332199U

CN215332199U - Door and window pulley capable of adjusting height

Info

Publication number: CN215332199U
Application number: CN202120963215.9U
Authority: CN
Inventors: 黄诗全; 余建林; 陈剑涌; 杨宏茂
Original assignee: Jinjiang Fenfa R&p Products Co ltd
Current assignee: Jinjiang Fenfa R&p Products Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-28
Anticipated expiration: 2031-05-07

Abstract

A door and window pulley capable of adjusting height comprises a pulley outer shell and a pulley inner shell, wherein a placing groove is formed in the bottom end of the pulley outer shell, two groups of connecting holes are respectively formed in the front end and the rear end of the placing groove, a driving motor is arranged at the top end of the placing groove, a threaded rod is installed at the output end of the driving motor, nuts are connected to the threaded rod in a threaded manner, sliding rods are installed on the left side and the right side of each nut, sliding grooves are formed in the top end of the placing groove, the left side and the right side of the driving motor are connected with a fixed block in a sliding manner, a connecting rod is installed at the bottom end of the fixed block, a sliding groove is formed in the center of the connecting rod, a first pulley is installed on the side, away from the nuts, of the front end of each sliding rod, a reset spring is installed on the end, away from the threaded rod, one end of each reset spring is connected with the inner wall of the placing groove, and the pulley inner shell and a second pulley have a function of up-down adjustment, is convenient for use.

Description

Door and window pulley capable of adjusting height

Technical Field

The utility model relates to the technical field of door and window pulleys, in particular to a door and window pulley capable of adjusting height.

Background

An aluminum alloy door and window is a door and window made of aluminum alloy extruded sections as frames, stiles and sash materials, and is called an aluminum alloy door and window, and is called an aluminum door and window for short. The aluminum alloy door and window comprises a door and window compounded with wood and plastic by taking aluminum alloy as a base material of a stress rod (a rod for bearing and transmitting self weight and load), and is called an aluminum-wood composite door and window and an aluminum-plastic composite door and window for short. The quality of the aluminum alloy door and window can be roughly judged from the aspects of material selection of raw materials (aluminum profiles), surface treatment and internal processing quality of the aluminum profiles, the price of the aluminum alloy door and window and the like, and the pulleys are simple machines which are used for lifting heavy objects and can save labor. The pulley is a small wheel with a groove on the periphery and capable of rotating around a shaft. A simple machine consisting of a grooved disc rotatable about a central axis and a flexible cable (rope, tape, cable, chain, etc.) running over the disc, which can rotate about the central axis, is called a pulley. The pulley is a simple mechanical component, and can be divided into a fixed pulley and a movable pulley according to whether the position of a central shaft of the pulley moves or not.

However, the pulley mechanism of the existing aluminum alloy door and window is inconvenient to disassemble and free of damping effect when meeting the process of needing to be replaced, and the pulley body is not provided with a supporting device, a lifting device and a non-skid device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a door and window pulley capable of adjusting height.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a door and window pulley for adjusting height comprises a pulley outer shell and a pulley inner shell, wherein a placing groove is arranged at the bottom end of the pulley outer shell, two groups of connecting holes are respectively arranged at the front end and the rear end of the placing groove, a driving motor is arranged at the top end of the placing groove, a threaded rod is installed at the output end of the driving motor, nuts are in threaded connection with the threaded rod, sliding rods are installed at the left side and the right side of each nut, sliding grooves are arranged at the top end of the placing groove, the top ends of the sliding grooves are in sliding connection with a fixed block, a connecting rod is installed at the bottom end of the fixed block, a sliding groove is arranged in the center of the connecting rod, a first pulley is installed at the front end of the sliding rod, far away from one side of the nuts, the first pulley is in sliding connection with the sliding groove, a reset spring is installed at the end of the connecting rod, one end of the reset spring is connected with the inner wall of the placing groove, and the bottom end of the connecting rod is hinged with an installation block, the pulley inner shell is installed at the bottom end of the installation block, the second pulley is placed in the pulley inner shell, a screw is arranged on the outer surface of the pulley outer shell, one end of the screw penetrates through the connecting hole to be connected with the second pulley, the connection block is installed at the top end of the pulley outer shell, and a through hole is formed in the right side of the connection block.

In order to prevent the second pulley from slipping, the utility model improves that the surface of the second pulley is provided with an anti-slip coating.

In order to facilitate the up-and-down adjustment of the second pulley, the utility model improves that one end of the screw close to the pulley shell is connected with the pulley shell in a sliding way.

In order to prevent static electricity from occurring in the sliding chute, the utility model improves that the surface of the sliding chute is provided with an anti-static layer.

In order to better fix the pulley inner shell, the utility model has the improvement that the left side and the right side of the placing groove are provided with sliding control holes, one end of each sliding hole, far away from the placing groove, is connected with a sliding rod in a sliding mode, and one end of each sliding rod is connected with the left side and the right side of the pulley inner shell respectively.

In order to prevent the sliding rod from falling off, the utility model has the improvement that a sliding cap is arranged at one end of the sliding rod, which is far away from the placing groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a door and window pulley capable of adjusting height, which has the following beneficial effects:

this adjust door and window pulley of height, through the cooperation of sliding hole, first slide bar, slip cap and connecting hole, can make things convenient for the upper and lower regulation of second pulley, and the slip cap can prevent that the slide bar from droing to fixed pulley inner shell that can be fine, through the cooperation of standing groove, connecting hole, driving motor, threaded rod, nut, slide bar and sliding tray, make pulley inner shell and second pulley possess the function of adjusting from top to bottom, convenient to use.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a structural cross-sectional view of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a pulley housing; 2. a pulley inner shell; 3. a placement groove; 4. connecting holes; 5. a drive motor; 6. a threaded rod; 7. a nut; 8. a slide bar; 9. a sliding groove; 10. a fixed block; 11. a connecting rod; 12. a chute; 13. a first pulley; 14. mounting blocks; 15. a second pulley; 16. connecting blocks; 17. A through hole; 18. a slide hole; 19. a first slide bar; 20. a sliding cap; 21. a return spring; 22. a second slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the height-adjustable pulley for doors and windows of the present invention comprises a pulley outer shell 1 and a pulley inner shell 2, wherein a placement groove 3 is disposed at the bottom end of the pulley outer shell 1, two sets of connection holes 4 are disposed at the front end and the rear end of the placement groove 3, a driving motor 5 is disposed at the top end of the placement groove 3, a threaded rod 6 is mounted at the output end of the driving motor 5, a nut 7 is screwed onto the threaded rod 6, sliding rods 8 are mounted at the left and right sides of the nut, sliding grooves 9 are disposed at the top end of the placement groove 3 at the left and right sides of the driving motor 5, a fixed block 10 is slidably connected to the top end of the sliding groove 9, a connecting rod 11 is mounted at the bottom end of the fixed block 10, a sliding groove 12 is disposed at the center of the connecting rod 11, a first pulley 13 is mounted at the side of the front end of the sliding rod 8 away from the nut 7, the first pulley 13 is slidably connected with the sliding groove 12, and a return spring 21 is mounted at the end of the connecting rod away from the threaded rod 6, reset spring 21 one end and 3 interior wall connections of standing groove, the articulated installation piece 14 in connecting rod 11 bottom, installation piece 14 bottom installation pulley inner shell 2, place second pulley 15 in the pulley

inner shell

2, 1 surface of pulley shell sets up the screw, screw one end is passed connecting hole 4 and is connected with

second pulley

15, 1 top installation connecting block 16 of pulley shell, the connecting block 16 right side sets up through-hole 17.

The surface of the second pulley 15 is provided with an anti-slip coating to prevent the second pulley 15 from slipping.

One end of the screw close to the pulley shell 1 is connected with the pulley shell in a sliding mode, so that the second pulley 15 can be adjusted up and down conveniently.

And an antistatic layer is arranged on the surface of the sliding chute 12 to prevent static electricity from occurring in the sliding chute 12.

The left side and the right side of the placing groove 3 are provided with control sliding holes 18, one end of each sliding hole 18, far away from the placing groove 3, is connected with a sliding rod in a sliding mode, one end of each sliding rod is connected with the left side and the right side of the pulley inner shell 2 respectively, and the pulley inner shells 2 can be fixed better.

The slide bar is far away from standing groove 3 one end installation sliding cap 20, can prevent that the slide bar from droing.

To sum up, this door and window pulley of adjusting height, when using, through starting driving motor 5, make driving motor 5 drive threaded rod 6 and rotate, for slide bar 8 on nut 7 uses first pulley 13 and sliding tray 9 sliding connection, so nut 7 can not rotate, thereby make threaded rod 6 can only drive nut 7 and reciprocate, nut 7 drives slide bar 8 and moves down, make first pulley 13 follow sliding tray 9 internal downstream, thereby make connecting rod 11 drive between the fixed block 10 case draw close, promote installation piece 14 and pulley inner shell 2 and move down, make first slide bar 19 and second slide bar 22 respectively from connecting hole 4 and sliding tray 18 internal downstream, thereby reach the requirement of adjusting the height of second pulley 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjust door and window pulley of height, includes pulley shell (1) and pulley inner shell (2), its characterized in that: the pulley shell (1) is provided with a placing groove (3) at the bottom end, two groups of connecting holes (4) are respectively arranged at the front end and the rear end of the placing groove (3), a driving motor (5) is arranged at the top end of the placing groove (3), a threaded rod (6) is installed at the output end of the driving motor (5), a nut (7) is in threaded connection with the threaded rod (6), sliding rods (8) are installed at the left side and the right side of the nut (7), sliding grooves (9) are formed in the top end of the placing groove (3) and located at the left side and the right side of the driving motor (5), a fixed block (10) is in sliding connection with the top end of the sliding groove (9), a connecting rod (11) is installed at the bottom end of the fixed block (10), a sliding groove (12) is formed in the center of the connecting rod (11), a first pulley (13) is installed at one side, far away from the nut (7), of the front end of the sliding rod (8), and the first pulley (13) is in sliding connection with the sliding groove (12), threaded rod (6) one end installation reset spring (21) are kept away from in connecting rod (11), reset spring (21) one end and standing groove (3) inner wall connection, connecting rod (11) bottom is articulated installs piece (14), install piece (14) bottom installation pulley inner shell (2), place second pulley (15) in pulley inner shell (2), pulley shell (1) surface sets up the screw, screw one end is passed connecting hole (4) and is connected with second pulley (15), pulley shell (1) top erection joint piece (16), connecting block (16) right side sets up through-hole (17).

2. The pulley for adjusting height of door and window as claimed in claim 1, wherein: and the surface of the second pulley (15) is provided with an anti-skid coating.

3. The pulley for adjusting height of door and window as claimed in claim 1, wherein: one end of the screw close to the pulley shell (1) is connected with the pulley shell in a sliding mode.

4. The pulley for adjusting height of door and window as claimed in claim 1, wherein: and an anti-static layer is arranged on the surface of the sliding chute (12).

5. The pulley for adjusting height of door and window as claimed in claim 1, wherein: the left side and the right side of the placing groove (3) are provided with control sliding holes (18), one end of each sliding hole (18), far away from the placing groove (3), is connected with a sliding rod in a sliding mode, and one end of each sliding rod is connected with the left side and the right side of the pulley inner shell (2) respectively.

6. The pulley for adjusting height of door and window as claimed in claim 5, wherein: and one end of the sliding rod, which is far away from the placing groove (3), is provided with a sliding cap (20).