CN214886351U

CN214886351U - Door and window pulley of adjustable size

Info

Publication number: CN214886351U
Application number: CN202120962974.3U
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: 2021-11-26
Anticipated expiration: 2031-05-07

Abstract

The utility model relates to the technical field of door and window pulleys, in particular to a door and window pulley with adjustable size, which comprises a pulley body, wherein the pulley body is provided with a pulley shell, a main shaft, a first fastening knob and a bottom wheel, the pulley shell is provided with a mounting hole and an outer chute, in the structure, the pulley body is arranged through the mounting hole, the outer chutes are provided with two and are respectively positioned at two sides of the outer chute, the bottom wheel is positioned at the middle part of the pulley shell, the bottom wheel is provided with a fixed bearing, the main shaft penetrates through the fixed bearing, the first fastening knob is arranged on the outer wall of the pulley shell, the pulley body is provided with an anti-collision device, the anti-collision device comprises an inner chute, an anti-collision bulge and a second fastening knob, in the structure, the size of the door and window pulley is convenient to adjust through the arrangement of the outer chute and the first fastening knob, through the arrangement of the anti-collision device, the anti-collision effect of the door and window is improved.

Description

Door and window pulley of adjustable size

Technical Field

The utility model relates to a door and window pulley technical field specifically is a door and window pulley of adjustable size.

Background

As is known, a door and window pulley is arranged between a pull type door and window and a door and window frame to reduce resistance and facilitate pushing and pulling, and the conventional door and window pulley is a plastic pulley or a metal pulley.

The existing door and window pulley structure is too simple, when the pulley is used, the height of the pulley is inconvenient to adjust, and when the wheels in the pulley are damaged, the wheels are inconvenient to replace, so that certain waste is caused, an anti-collision device is not arranged, and the door and window can be collided when being moved easily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a door and window pulley of adjustable size.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a door and window pulley with adjustable size comprises a pulley body, wherein the pulley body is provided with a pulley shell, a main shaft, two first fastening knobs and bottom wheels, the pulley shell is provided with mounting holes and outer sliding grooves, the mounting holes are formed in the upper end of the pulley shell, the outer sliding grooves are formed in two numbers and are respectively positioned on two sides of the outer sliding grooves and penetrate through the pulley shell, the bottom wheels are positioned in the middle of the pulley shell, the bottom wheels are provided with fixing bearings, the fixing bearings are mounted in the middle of the bottom wheels, the main shaft penetrates through the fixing bearings, two ends of the main shaft are respectively positioned in the outer sliding grooves, the first fastening knobs are mounted on the outer wall of the pulley shell, are close to the outer sliding grooves and are connected with the main shaft, anti-collision devices are arranged on the pulley body and comprise inner sliding grooves, anti-collision protrusions and second fastening knobs, the inner sliding grooves are mounted on the inner wall of the pulley shell, the anti-collision protrusion is arranged on one side of the pulley shell and located inside the inner sliding groove, the second fastening knob is arranged outside the pulley shell and located at the lower end of the anti-collision protrusion, and a fastening rod is arranged between the second fastening knob and the anti-collision protrusion and connected with the anti-collision protrusion.

In order to improve the practicality of this structure, the utility model discloses an improvement has, return pulley and the bellied material of anticollision are the stereoplasm rubber material, buffer stop is equipped with two to install the both sides at the pulley shell respectively.

In order to improve the stability of this structure, the utility model discloses an improvement has, be equipped with the division board on the main shaft, the both ends at the main shaft are installed to the division board, and be equipped with the draw-in groove on the division board, be equipped with the fixture block on the first fastening knob, and the fixture block is located the inside of draw-in groove.

In order to make this structure convenient operation, the utility model discloses an improvement has, be equipped with threaded connection between fixture block and the draw-in groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a door and window pulley of adjustable size possesses following beneficial effect:

the size-adjustable door and window pulley is characterized in that two outer sliding grooves are arranged and are respectively positioned on two sides of the outer sliding grooves and penetrate through a pulley shell, the first fastening knob is arranged on the outer wall of the pulley shell, is close to the outer sliding grooves and is connected with a main shaft, in the structure, the size of the pulley body is convenient to adjust by arranging the outer sliding grooves and the first fastening knob, so that the size of a door and window is further adjusted, an anti-collision device is arranged on the pulley body and comprises inner sliding grooves, anti-collision protrusions and a second fastening knob, in the structure, the anti-collision device is arranged, so that the door and window can have a certain anti-collision effect when in use, the service life of the door and window is further prolonged, the main shaft is provided with isolation plates which are arranged at two ends of the main shaft, the isolation plates are provided with clamping grooves, and the first fastening knob is provided with clamping blocks, and the fixture block is positioned in the clamping groove, and in the structure, the bottom wheel is convenient to replace through the isolating plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a planar view of the pulley housing of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the bottom wheel of FIG. 1 according to the present invention;

in the figure: 1. a pulley body; 2. mounting holes; 3. a pulley housing; 4. an outer chute; 5. a first fastening knob; 6. an anti-collision bulge; 7. a second fastening knob; 8. a bottom wheel; 9. a fastening rod; 10. a clamping block; 11. a connecting rod; 12. a main shaft; 13. fixing the bearing; 14. a card slot; 15. and (4) a partition board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the size-adjustable pulley for doors and windows of the present invention comprises a pulley body 1, wherein the pulley body 1 is provided with a pulley housing 3, a main shaft 12, a first fastening knob 5 and a bottom pulley 8, the pulley housing 3 is provided with a mounting hole 2 and an outer sliding groove 4, the mounting hole 2 is located at the upper end of the pulley housing 3, the outer sliding grooves 4 are provided in two numbers and are respectively located at both sides of the outer sliding groove 4 and penetrate through the pulley housing 3, the bottom pulley 8 is located at the middle portion of the pulley housing 3, the bottom pulley 8 is provided with a fixed bearing 13, the fixed bearing 13 is installed at the middle portion of the bottom pulley 8, the main shaft 12 penetrates through the fixed bearing 13, and both ends of the main shaft 12 are respectively located inside the outer sliding groove 4, the first fastening knob 5 is installed on the outer wall of the pulley housing 3 and is close to the outer sliding groove 4 and is connected to the main shaft 12, be equipped with buffer stop on the pulley body 1, buffer stop includes interior spout, crashproof arch 6 and second fastening knob 7, interior spout is installed on the inner wall of pulley shell 3, crashproof arch 6 is installed in one side of pulley shell 3 to be located the inside of interior spout, second fastening knob 7 is installed in the outside of pulley shell 3 to be located the lower extreme of crashproof arch 6, and be equipped with the anchorage bar 9 between protruding 6 with crashproof and be connected.

When the door and window pulley with adjustable size of the utility model is used, firstly, the pulley body 1 is arranged at the bottom end of the door and window through the mounting hole 2, at the moment, the door and window can move through the action of the pulley body 1, when the door and window is arranged on the pulley body 1 and has problems in height, the first fastening knob 5 is loosened, then the main shaft 12 slides up and down through the outer chute 4, thereby adjusting the height of the pulley body 1, further adjusting the height of the door and window, after the pulley body 1 is arranged on the existing door and window, when the pulley body 1 slides, the collision often happens at the edge of the door and window, at the moment, the second fastening knob 7 at the lower end of the pulley shell 3 is loosened, then the connecting rod 11 is separated from the anti-collision bulge 6, after the anti-collision bulge 6 loses the thrust of the connecting rod 11, the pulley body can slide in the inner chute, thereby stretch protruding 6 outside to pulley shell 3 of anticollision, in this structure, through being equipped with buffer stop, make door and window when using, can have certain crashproof effect to further improvement door and window's life.

In order to improve the practicality of this structure, the utility model discloses an improvement has, the material of return pulley 8 and anticollision arch 6 is the stereoplasm rubber material, buffer stop is equipped with two to install respectively in the both sides of pulley shell 3, in this structure, the stereoplasm rubber has certain elasticity and abrasionproof effect, and is particularly suitable for using in this structure, and through being equipped with two buffer stop, further messenger this structure convenient to use.

In order to improve the stability of this structure, the utility model discloses an improvement has, be equipped with division board 15 on main shaft 12, division board 15 is installed at the both ends of main shaft 12, and be equipped with draw-in groove 14 on the division board 15, be equipped with fixture block 10 on the first fastening knob 5, and fixture block 10 is located the inside of draw-in groove 14, here, through division board 15 that is equipped with, makes return pulley 8 conveniently change, when changing return pulley 8, loosens first fastening knob 5, then with the return pulley 8 take out can.

In order to make this structure convenient operation, the utility model discloses an improvement has, be equipped with threaded connection between fixture block 10 and the draw-in groove 14, in this structure, through the threaded connection who is equipped with between fixture block 10 and the draw-in groove 14, made things convenient for the use of first fastening knob 5.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The door and window pulley with the adjustable size is characterized by comprising a pulley body (1), wherein the pulley body (1) is provided with a pulley shell (3), a main shaft (12), a first fastening knob (5) and a bottom wheel (8), the pulley shell (3) is provided with a mounting hole (2) and an outer sliding groove (4), the mounting hole (2) is located at the upper end of the pulley shell (3), the outer sliding grooves (4) are provided with two parts and respectively located at two sides of the outer sliding groove (4) and penetrate through the pulley shell (3), the bottom wheel (8) is located at the middle part of the pulley shell (3), a fixed bearing (13) is arranged on the bottom wheel (8), the fixed bearing (13) is installed at the middle part of the bottom wheel (8), the main shaft (12) penetrates through the fixed bearing (13), and two ends of the main shaft (12) are respectively located inside the outer sliding groove (4), the pulley is characterized in that the first fastening knob (5) is installed on the outer wall of the pulley shell (3) and is close to the outer chute (4) and connected with the main shaft (12), an anti-collision device is arranged on the pulley body (1) and comprises an inner chute, an anti-collision bulge (6) and a second fastening knob (7), the inner chute is installed on the inner wall of the pulley shell (3), the anti-collision bulge (6) is installed on one side of the pulley shell (3) and located inside the inner chute, the second fastening knob (7) is installed outside the pulley shell (3) and located at the lower end of the anti-collision bulge (6), and a fastening rod (9) is arranged between the second fastening knob and the anti-collision bulge (6) and connected with the anti-collision bulge (9).

2. The adjustable-size door and window pulley according to claim 1, wherein the bottom wheels (8) and the anti-collision protrusions (6) are made of hard rubber.

3. Size adjustable door and window pulley according to claim 1, characterized in that the anticollision devices are provided in two numbers and are respectively mounted on both sides of the pulley shell (3).

4. The door and window pulley with adjustable size according to claim 1, wherein there are two anti-collision protrusions (6), and a connecting rod (11) is arranged between the two anti-collision protrusions (6) for connection, and the connecting rod (11) is located inside the inner sliding groove.

5. The door and window pulley with adjustable size as claimed in claim 1, wherein the main shaft (12) is provided with isolation plates (15), the isolation plates (15) are installed at two ends of the main shaft (12), the isolation plates (15) are provided with clamping grooves (14), the first fastening knob (5) is provided with clamping blocks (10), and the clamping blocks (10) are located inside the clamping grooves (14).

6. The door and window pulley with adjustable size of claim 5, wherein the clamping block (10) is in threaded connection with the clamping groove (14).