CN220565914U - Pulley assembly and sliding door and window - Google Patents

Abstract

The utility model relates to the technical field of door and window accessories, in particular to a pulley assembly and a sliding door and window, which comprise a mounting part, a central shaft, a pulley unit and a locking part; the central shaft is arranged on the mounting part; the pulley unit comprises at least one pulley, and the pulley unit is movably sleeved on the central shaft; the locking component is arranged on the pulley unit and is used for selectively fixedly connecting or loosening the pulley unit with the central shaft. When the position of the guide rail and the preset position of the pulley are deviated, the pulley can slide along the central shaft to deviate and be matched with the guide rail, so that the adaptability of the pulley and the guide rail is improved, the pulley can be smoothly installed on the guide rail, meanwhile, the situation that the service life of the pulley is influenced due to the damage of the pulley caused by forced installation is avoided, and the pulley is worthy of popularization and application.

Description

Pulley assembly and sliding door and window

Technical Field

The utility model relates to the technical field of door and window accessories, in particular to a pulley assembly and a sliding door and window.

Background

With the development of related technologies, sliding doors and windows are increasingly used in daily life of people, and thus, performance requirements of manufacturers and users on pulley assemblies for realizing smooth sliding of doors and windows are also continuously improved.

Referring to fig. 1, a pulley assembly of a sliding door and window is generally used with a guide rail, and sliding of the pulley on the guide rail is performed to realize sliding of the door and window, however, errors exist in processing and installation of the sliding door and window, so that adaptability of the pulley and the guide rail is poor, the pulley and the guide rail are easy to deviate in a horizontal direction, installation is difficult, forced installation is easy to cause damage of the pulley, and service life of the pulley is affected.

Disclosure of Invention

Based on this, the utility model provides a pulley assembly and a sliding door and window, so as to solve the following problems: the adaptability of the pulley and the guide rail of the existing sliding door and window is poor, the pulley and the guide rail are easy to deviate in the horizontal direction, so that the pulley is difficult to install, the pulley is easy to damage due to forced installation, and the service life of the pulley is influenced.

In order to solve the technical problems, the utility model adopts the following technical scheme: a pulley assembly comprising a mounting portion, a central shaft, a pulley unit and a locking member; the central shaft is arranged on the mounting part; the pulley unit comprises at least one pulley, and the pulley unit is movably sleeved on the central shaft; and the locking component is arranged on the pulley unit and is used for selectively fixedly connecting or loosening the pulley unit with the central shaft.

Preferably, the pulley assembly further comprises a sliding adjuster coupled to the locking member, the sliding adjuster being slidably coupled to the central shaft.

Preferably, the sliding adjusting piece is provided with a mounting hole, and the locking part is correspondingly embedded into the mounting hole; the locking component is used for penetrating through the mounting hole to be abutted with the central shaft so as to realize the fixed connection of the pulley unit and the central shaft.

Preferably, the locking member is threadedly coupled to the sliding adjuster.

Preferably, the pulley unit includes an inner housing movably disposed on the central shaft, the pulley is disposed on the inner housing, and the locking member is mounted on the inner housing.

Preferably, the inner shell is provided with a movable hole, the central shaft is movably arranged in the movable hole in a penetrating mode, and the central shaft can move in the length direction of the movable hole.

Preferably, the inner shell is provided with at least one mounting rod, and the mounting rod is at least rotatably sleeved with one pulley.

Preferably, the mounting portion includes a housing and a middle housing movably disposed in the housing, the housing is provided with a first through slot, the middle housing is provided with a second through slot intersecting with the first through slot, and a slot wall of the first through slot cooperates with a slot wall of the second through slot to fix the central shaft.

Preferably, the mounting part further comprises a bolt movably penetrating through the outer shell and a guide sleeve arranged on the middle shell, and the bolt is in threaded connection with the guide sleeve.

The utility model also discloses a sliding door and window, which comprises a pulley assembly.

The beneficial effects of the utility model are as follows: when implementing, install the installation department on sliding door, open locking part, the release pulley unit, make the pulley unit can be in the axial of center pin that horizontal direction left and right sides slip adjustable, thereby make the pulley of pulley unit reciprocate in the axial of center pin and slide adjustable, then install this assembly pulley on the guide rail, when the position of meetting the guide rail has the condition of skew with the preset position of pulley, the pulley can be through along the cooperation of center pin slip skew with the guide rail, improve both suitability, thereby make the pulley can install on the guide rail smoothly, avoid taking place simultaneously because of installing the damage that causes the pulley by force, thereby influence the circumstances of pulley life, consequently very be worth popularizing and applying.

Drawings

Fig. 1 is a plan view of a guide rail and a pulley described in the related art, which are offset in a horizontal direction;

FIG. 2 is a top view of a prior art rail after bending deformation;

FIG. 3 is a schematic diagram of a pulley assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of another perspective of the pulley assembly of FIG. 3;

fig. 5 is an exploded schematic view of the pulley assembly of fig. 3.

Reference numerals illustrate: 01. a guide rail; 10. a mounting part; 11. a housing; 111. a first through groove; 12. a middle shell; 121. a second through slot; 13. a bolt; 14. a guide sleeve; 15. a bump; 16. a mounting hole; 20. a central shaft; 21. a limiting block; 30. a pulley unit; 31. a pulley; 32. an inner case; 321. a movable hole; 322. a mounting rod; 40. a locking member; 50. sliding the adjusting member.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 3 to 4, in the present embodiment, the present utility model relates to a pulley assembly including a mounting portion 10, a central shaft 20, a pulley unit 30, and a locking member 40; the central shaft 20 is provided in the mounting portion 10; the pulley unit 30 comprises at least one pulley 31, and the pulley unit 30 is movably sleeved on the central shaft 20; a locking member 40 is mounted to the pulley unit 30, the locking member 40 being used to selectively fixedly connect or disconnect the pulley unit 30 to the central shaft 20.

Specifically, in implementation, the installation portion 10 is installed on a sliding door and window, the locking component 40 is opened, the pulley unit 30 is released, the pulley unit 30 can slide left and right in the axial direction of the central shaft 20, namely in the horizontal direction, so that the pulley 31 of the pulley unit 30 can slide back and forth in the axial direction of the central shaft 20, the pulley block is installed on the guide rail 01, when the position of the guide rail 01 deviates from the preset position of the pulley 31, the pulley 31 can slide along the central shaft 20 to deviate from the guide rail 01, the adaptability of the guide rail 01 and the pulley 31 is improved, the pulley 31 can be smoothly installed on the guide rail 01, meanwhile, the situation that the service life of the pulley 31 is influenced due to damage caused by forced installation is avoided, and the pulley is very worthy of popularization and application.

Referring to fig. 5, in the present embodiment, the pulley assembly further includes a sliding adjuster 50 connected to the locking member 40, and the sliding adjuster 50 is slidably connected to the central shaft 20. Specifically, the sliding adjusting member 50 is a sleeve movably sleeved on the central shaft 20. So set up, the axle sleeve slides on center pin 20, can drive pulley unit 30 and slide on center pin 20 to drive pulley 31 and slide about the horizontal direction, and the effect of slip regulation is outstanding.

Referring to fig. 5, in the present embodiment, the sliding adjusting member 50 is provided with a mounting hole 16, and the locking member 40 is correspondingly inserted into the mounting hole 16; the locking member 40 is used to pass through the mounting hole 16 to abut against the central shaft 20 to achieve a fixed connection of the pulley unit 30 and the central shaft 20; the pulley unit 30 includes an inner housing 32 movably disposed on the central shaft 20, the pulley 31 is disposed on the inner housing 32, and the locking member 40 is mounted on the inner housing 32; specifically, the locking member 40 is a screw, which is movably inserted into the inner housing 32 and is screwed with the mounting hole 16, so that the screw can pass through the inner housing 32 and then be screwed with the mounting hole 16, and finally abut against the central shaft 20 in the mounting hole 16, thereby fixing the sliding adjusting member 50 on the central shaft 20, and the fixing effect is good; when the sliding adjusting member 50 is required to slide on the central shaft 20, the screw is loosened, so that the screw cannot fix the sliding adjusting member 50 on the central shaft 20, and thus, the sliding adjusting member 50 can slide on the central shaft 20 with good sliding effect.

Referring to fig. 5, in the present embodiment, the inner housing 32 is provided with a movable hole 321, the central shaft 20 movably penetrates through the movable hole 321, and the central shaft 20 can move along the length direction of the movable hole 321. Specifically, the movable holes 321 are elongated holes, two sides of the inner shell 32 are respectively provided with a movable hole 321, and two ends of the central shaft 20 are respectively movably arranged in the two movable holes 321 in a penetrating manner. Referring to fig. 1, during transportation and installation of the guide rail 01, deformation and bending of the guide rail 01 due to collision, sundries, etc. are easily caused, so that the pulley 31 needs to rotate on the deformed and bent guide rail 01, and in this embodiment, the inner housing 32 can swing on the central shaft 20 through the movable arrangement of the central shaft 22 and the movable hole 221; the inner shell 32 is stirred, so that the inner shell 32 rotates by taking the screw as a rotating shaft, and the pulleys 31 at two ends of the inner shell 32 are adjusted in a swinging mode, so that the pulleys 31 can rotate along the bending deformation guide rail 01, and derailment is avoided.

Referring to fig. 5, in the present embodiment, the inner housing 32 is provided with at least one mounting rod 322, and the mounting rod 322 is rotatably sleeved with at least one pulley 31. Specifically, in the present embodiment, there are two mounting rods 322, and two mounting rods 322 are respectively provided at both ends of the inner housing 32, and each mounting rod 322 is rotatably sleeved with two pulleys 31. The pulley assembly can stably slide on the guide rail 01 by the arrangement, and the sliding effect is good.

Referring to fig. 3 to 5, in the present embodiment, the mounting portion 10 includes a housing 11 and a middle housing 12 movably disposed on the housing 11, the housing 11 is provided with a first through slot 111, the middle housing 12 is provided with a second through slot 121 intersecting the first through slot 111, and a slot wall of the first through slot 111 cooperates with a slot wall of the second through slot 121 to fix the central shaft 20; further, in the present embodiment, the mounting portion 10 further includes a bolt 13 movably penetrating through the outer shell 11 and a guide sleeve 14 provided on the middle shell 12, and the bolt 13 is screwed with the guide sleeve 14; specifically, the first through groove 111 forms an included angle with the length direction of the housing 11, so that the movement of the central shaft 20 in the first through groove 111 can realize the movement of the central shaft 20 in the front-back up-down direction at the same time; in practice, when the bolt 13 is pulled, the bolt 13 can pull the middle shell 12 to move, and the movement of the middle shell 12 drives the central shaft 20 to move in the first through groove 111 at the same time, so that the effect of moving in the front-back up-down direction is realized, and the height of the pulley 31 can be adjusted, so that the pulley 31 can be adapted to the guide rails 01 at different height positions, and the adaptability of the pulley 31 is further improved.

Referring to fig. 3 to 5, in the present embodiment, a stopper 21 is disposed at one end of the central shaft 20, and the stopper 21 is used to abut against the mounting portion 10. Specifically, the stopper 21 is for abutting against the housing 11. By this arrangement, the center shaft 20 is prevented from being inserted into the middle housing 12 at one end thereof and from abutting the first through groove 111 during installation, and the case where the center shaft 20 cannot be fixed by the groove walls of the first through groove 111 and the second through groove 121 is avoided.

Referring to fig. 3 to 5, in the present embodiment, a first end of the mounting portion 10 is provided with a bump 15, and the bump 15 is provided with a mounting hole 16. So set up, be convenient for in the operator puts into mounting hole 16 with the screw to install lug 15 in sliding door's main part, and then install shell 11 in sliding door's main part, easy operation is swift, and installs fixed effectual.

The utility model also discloses a sliding door and window, which comprises a pulley assembly. The arrangement is that when the sliding door and window are installed on the guide rail 01, the position of the pulley 31 can be adjusted, the pulley 31 is matched with the guide rail 01, and the adaptability of the pulley 31 and the guide rail 01 is improved, so that the pulley 31 can be smoothly installed on the guide rail 01, and meanwhile, the situation that the service life of the sliding door and window is influenced due to damage of the pulley 31 caused by forced installation is avoided; the pulley 31 can be adjusted to swing to rotate the guide rail 01 which is attached to and bent and deformed, so that derailment is avoided.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A pulley assembly, comprising:

a mounting part;

a central shaft provided in the mounting portion;

the pulley unit comprises at least one pulley, and is movably sleeved on the central shaft; and

And the locking component is arranged on the pulley unit and is used for selectively fixedly connecting or loosening the pulley unit with the central shaft.

2. The pulley assembly according to claim 1, wherein: the sliding adjusting piece is connected with the locking part and is in sliding connection with the central shaft.

3. The pulley assembly according to claim 2, wherein: the sliding adjusting piece is provided with a mounting hole, and the locking part is correspondingly embedded into the mounting hole; the locking component is used for penetrating through the mounting hole to be abutted with the central shaft so as to realize the fixed connection of the pulley unit and the central shaft.

4. A pulley assembly according to claim 3, wherein: the locking member is threadedly coupled to the sliding adjuster.

5. The pulley assembly according to claim 2, wherein: the pulley unit comprises an inner shell movably arranged on the central shaft, the pulley is arranged on the inner shell, and the locking component is arranged on the inner shell.

6. The pulley assembly as in claim 5, wherein: the inner shell is provided with a movable hole, the central shaft movably penetrates through the movable hole, and the central shaft can move in the length direction of the movable hole.

7. The pulley assembly as in claim 5, wherein: the inner shell is at least provided with a mounting rod, and the mounting rod is at least rotatably sleeved with the pulley.

8. The pulley assembly according to claim 1, wherein: the installation department include the shell with the activity set up in the well shell of shell, the shell is equipped with first logical groove, well shell be equipped with the second logical groove that the first logical groove alternately set up, the cell wall in first logical groove with the cell wall cooperation in second logical groove will the center pin is fixed.

9. The pulley assembly as in claim 8, wherein: the installation department still includes the activity wears to locate the bolt of shell and locate the uide bushing of well shell, the bolt with uide bushing threaded connection.

10. A sliding door and window, characterized in that: comprising a pulley assembly according to any one of claims 1 to 9.