CN218970951U

CN218970951U - Pulley device capable of moving bidirectionally and door and window structure with pulley device

Info

Publication number: CN218970951U
Application number: CN202222488934.7U
Authority: CN
Inventors: 刘治国; 林洲; 张黎明
Original assignee: Shenzhen Hopo Window Control Technology Co Ltd
Current assignee: Shenzhen Hopo Window Control Technology Co Ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-05-05
Anticipated expiration: 2032-09-20

Abstract

The utility model provides a pulley device capable of moving bidirectionally and a door and window structure with the pulley device, and the pulley device comprises: the driving component is used for being arranged on the movable fan body of the door and window; a pulley assembly slidably disposed on the door and window frame; the turning guide groove is arranged on the driving component; a first guide portion provided on the pulley assembly; the sliding structure is arranged on the driving assembly and the pulley assembly and is used for restraining the driving assembly and the pulley assembly from relative displacement in a first direction, and the first direction is perpendicular to the moving direction of the pulley assembly; the first guide part is used for being embedded into the first guide groove; the first guide groove is disposed at least partially diagonally along the first direction. The technical scheme that this application provided, can be when realizing two-way removal, strengthened pulley assembly's structural strength, improved the bearing capacity of device, anti wind pressure ability.

Description

Pulley device capable of moving bidirectionally and door and window structure with pulley device

Technical Field

The utility model relates to a pulley device capable of moving bidirectionally, and belongs to the technical field of household doors and windows. The utility model also relates to a door and window structure.

Background

In traditional house door and window system, the door and window movable fan body in the door and window usually only can control the round trip movement, because there is the clearance between the movable fan body and the door and window frame body, lead to traditional door and window's gas tightness, water tightness not enough, unable isolated outside steam, noise.

In the prior art CN205669368U, a movable door and window assembly, a bidirectional moving effect of a door and a window is achieved by arranging a sliding rail of a vertical window body between a pulley assembly and a driving assembly. In this prior art, the guide groove is provided on the first base, which reduces the structural strength of the base, affecting its load-bearing capacity.

Therefore, how to provide a pulley device capable of moving in two directions, which can realize two-way movement, strengthen the structural strength of the pulley assembly, improve the bearing capacity and wind pressure resistance of the device, and is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to realize bidirectional movement, strengthen the structural strength of the pulley assembly and improve the bearing capacity and wind pressure resistance of the device. The present utility model provides a bi-directionally movable pulley arrangement, comprising: the driving component is used for being arranged on the movable fan body of the door and window; a pulley assembly slidably disposed on the door and window frame; a first guide groove arranged on the driving component; a first guide portion provided on the pulley assembly; the sliding structure is arranged on the driving assembly and the pulley assembly and is used for restraining the driving assembly and the pulley assembly from relative displacement in a first direction, and the first direction is perpendicular to the moving direction of the pulley assembly; the first guide part is used for being embedded into the first guide groove; the first guide groove is disposed at least partially diagonally along the first direction.

According to a first embodiment of the present utility model, there is provided a bidirectional movable pulley device:

a bi-directionally movable pulley assembly, the assembly comprising: the driving component is used for being arranged on the movable fan body of the door and window; a pulley assembly slidably disposed on the door and window frame; a first guide groove arranged on the driving component; a first guide portion provided on the pulley assembly; the sliding structure is arranged on the driving assembly and the pulley assembly and is used for restraining the driving assembly and the pulley assembly from relative displacement in a first direction, and the first direction is perpendicular to the moving direction of the pulley assembly; the first guide part is used for being embedded into the first guide groove; the first guide groove is disposed at least partially diagonally along the first direction.

Further, as a more preferred embodiment of the present utility model, the driving assembly includes: the fixed plate is used for being fixedly arranged on the frame of the movable sash of the door and window; the driving piece is arranged on the fixed plate in a sliding way; the first guide groove is arranged on the driving piece.

Further, as a more preferable embodiment of the present utility model, the first guide portion is provided with a first roller for abutting against an inner wall of the first guide groove.

Further, as a more preferable embodiment of the present utility model, the sliding structure includes: the second roller is arranged on the pulley assembly, and the first sliding rail is arranged on the driving assembly; the second roller is in rolling fit with the first sliding rail.

Further, as a more preferable embodiment of the present utility model, the sliding structure includes: the second roller is arranged on the driving assembly, and the first sliding rail is arranged on the pulley assembly; the second roller is in rolling fit with the first sliding rail.

Further, as a more preferable embodiment of the present utility model, the sliding structure includes: the limiting groove is formed in the driving assembly, the limiting guide rod is arranged in the pulley assembly, and one end portion of the limiting guide rod moves in the limiting groove.

Further, as a more preferable embodiment of the present utility model, the sliding structure includes: the limiting groove is formed in the pulley assembly, the limiting guide rod is arranged in the driving assembly, and one end portion of the limiting guide rod moves in the limiting groove.

Further, as a more preferred embodiment of the present utility model, the pulley assembly includes: a pulley base; and the guide wheel is arranged on the pulley base and is used for being matched with the second guide groove on the door and window frame in a sliding way, and the guide wheel is used for restraining the pulley assembly from moving along the vertical direction of the second guide groove.

Further, as a more preferred embodiment of the present utility model, the pulley assembly further comprises: a sliding roller assembly disposed on the pulley base; the sliding roller assembly is used for being arranged on a door and window moving sliding rail on the door and window frame body in a sliding mode.

Further, as a more preferable embodiment of the present utility model, the number of the sliding roller assemblies is at least two, and the guide wheel is provided between the plurality of sliding roller assemblies; and/or the number of guide wheels is at least one.

According to a second embodiment of the present utility model, there is provided a door and window structure:

a door and window structure comprising:

the door and window frame body is provided with a second guide groove and a door and window moving slide rail; a door and window movable fan arranged in the door and window frame body; the pulley device capable of moving bidirectionally in the first embodiment is arranged on the upper frame and the lower frame of the door and window movable fan body; the second guide grooves are arranged on the top frame and the bottom frame of the door and window frame body; the door and window movable slide rail is arranged on the bottom frame of the door and window frame body.

Further, as a more preferred embodiment of the present utility model, further comprising: the sealing rubber strip is arranged on the door and window frame body or the door and window movable sash body; the sealing rubber strip is positioned between the door and window frame body and the door and window movable sash body.

Compared with the prior art, in the technical scheme provided by the application, the whole pulley device is arranged at the bottom of the movable sash of the door and window, the movable sash can move left and right in the door and window frame based on the pulley assembly, and the left and right moving direction is parallel to the plane where the door and window frame is positioned; when the door and window movable fan body is pushed to move along the plane direction perpendicular to the door and window frame body, an included angle A formed by the length direction of the first guide groove and the moving direction of the pulley assembly is an acute angle, so that the driving assembly has a running space for relative displacement of the pulley assembly, the direction of relative displacement is perpendicular to the moving direction of the pulley assembly, and further bidirectional movement of the door and window movable fan body can be realized. The bi-directional movement includes movement in a direction of movement of the pulley assembly and movement perpendicular to the direction of movement of the pulley assembly. The technical scheme that this application provided, can be when realizing two-way removal, strengthened pulley assembly's structural strength, improved the bearing capacity of device, anti wind pressure ability.

Drawings

FIG. 1 is a schematic bottom view of an explosion structure of a pulley device capable of moving in two directions according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of an exploded view of a pulley device according to an embodiment of the present utility model, wherein the pulley device is a lower pulley device;

FIG. 3 is a schematic diagram showing an assembled state of the pulley device capable of moving bidirectionally according to the embodiment of the utility model;

FIG. 4 is a schematic view of the driving assembly moving to one side relative to the pulley assembly when the bi-directionally movable pulley device is a lower pulley device according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the driving assembly moving to the other side relative to the pulley assembly when the bi-directionally movable pulley assembly is the lower pulley assembly according to the embodiment of the present utility model;

FIG. 6 is a schematic view of a pulley assembly when the bi-directionally movable pulley device is an upper pulley device in an embodiment of the present utility model;

FIG. 7 is an exploded view of the overall structure of the bi-directionally movable pulley device according to the present utility model;

FIG. 8 is a schematic view of the driving assembly moving to one side relative to the pulley assembly when the bi-directionally movable pulley device is an upper pulley device according to an embodiment of the present utility model;

FIG. 9 is a schematic view of the driving assembly moving to the other side relative to the pulley assembly when the bi-directionally movable pulley assembly is an upper pulley assembly according to an embodiment of the present utility model;

FIG. 10 is a schematic view showing the lower end of the movable sash of the door and window structure and the lower end of the door and window frame under the action of the bidirectional movable pulley device as the lower pulley device in the embodiment of the utility model;

FIG. 11 is a schematic view showing the separation of the lower end of the movable sash of the door and window structure from the lower end of the door and window frame under the action of the bi-directionally movable pulley device as the lower pulley device in the embodiment of the present utility model;

FIG. 12 is a schematic view showing the upper end of a movable sash of a door/window structure and the upper end of a door/window frame when a bi-directionally movable pulley device is used as an upper pulley device in an embodiment of the present utility model;

fig. 13 is a schematic diagram showing the separation of the upper end of the movable sash of the door and window structure from the upper end of the door and window frame under the action of the bidirectional movable pulley device as the upper pulley device in the embodiment of the utility model.

1-5, 10 and 11 are schematic illustrations of embodiments of the bidirectional movable pulley device provided in the present application as a lower pulley device;

fig. 6-9, 12, and 13 illustrate embodiments of bi-directionally movable pulley devices as an upper pulley device.

Reference numerals:

a drive assembly 1; a fixing plate 101; a driving member 102; a pulley assembly 2; a pulley base 201; a guide wheel 202; a sliding roller assembly 203; a first guide groove 3; a first guide 4; a first roller 401; a sliding structure 5; a first slide rail 501; a second roller 502; a limit groove 503; a limit guide bar 504; a door and window movable fan body A; a door and window frame body B; a second guide groove B1; a door and window moving slide rail B2; a pulley device C capable of moving bidirectionally; and a sealing rubber strip D.

Detailed Description

In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be understood that the number of steps, the term "length"; width, upper, lower width (width) upper part "

The orientation or positional relationship indicated by right "," vertical "," horizontal "," top "," bottom "," inner "," outer ", etc. is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and to simplify the description, and is not indicative or implying that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

a bi-directionally movable pulley assembly, the assembly comprising: the driving component 1 is used for being arranged on the door and window movable fan body A; a pulley assembly 2 slidably provided on the door and window frame body B; a first guide groove 3 provided on the driving assembly 1; a first guide 4 provided on the pulley assembly 2; the sliding structure 5 is arranged on the driving assembly 1 and the pulley assembly 2, and the sliding structure 5 is used for restraining the driving assembly 1 and the pulley assembly 2 from relatively displacing in a first direction which is perpendicular to the moving direction of the pulley assembly 2; wherein the first guide part 4 is used for being embedded into the first guide groove 3; the first guide groove 3 is at least partially disposed diagonally in the first direction.

The application provides a technical scheme of a pulley device capable of moving bidirectionally. According to the technical scheme, the whole pulley device is arranged at the bottom of the movable sash of the door and window, the movable sash can move left and right in the door and window frame based on the pulley assembly, and the left and right moving direction is parallel to the plane where the door and window frame is located; when the door and window movable fan body is pushed to move along the plane direction perpendicular to the door and window frame body, an included angle A formed by the length direction of the first guide groove and the moving direction of the pulley assembly is an acute angle, so that the driving assembly has a running space for relative displacement of the pulley assembly, the direction of relative displacement is perpendicular to the moving direction of the pulley assembly, and further bidirectional movement of the door and window movable fan body can be realized. The bi-directional movement includes movement in a direction of movement of the pulley assembly, and movement perpendicular to the direction of movement of the pulley assembly; meanwhile, the guide groove is formed in the driving assembly, so that a groove body is not required to be formed in the pulley assembly, and the overall structure, the bearing capacity and the wind pressure resistance are enhanced. The technical scheme that this application provided, can be when realizing two-way removal, strengthened pulley assembly's structural strength, improved the bearing capacity of device, anti wind pressure ability.

The first guide groove 3 is disposed at least partially in a direction inclined in the first direction, specifically, the first guide groove has a long-strip structure, and at least a portion (segment) of the long-strip structure is disposed in a direction inclined in the first direction, that is, not parallel to the first direction.

It is to be noted to supplement, this application with its distinguishing technical characteristics, set up the guide way on drive assembly for need not to set up the cell body on the pulley assembly, strengthened overall structure, bearing capacity, anti wind pressure ability.

It should be noted that, set up the guide way on drive assembly for need not to set up the cell body on the pulley assembly (as main bearing point when using, receive the gravity of casement to the requirement of intensity great), strengthened pulley assembly overall structure, bearing capacity, anti wind pressure ability.

It is further noted that, set up the guide bar on the pulley assembly, compare with setting up the guide slot, the structural damage to the pulley assembly is less, improves the structural strength and the durability of whole device.

It is further to be noted that, compared with the prior art, in the scheme of this application, first guiding portion sets up on pulley assembly, and first guide slot passes through drive assembly to be set up on door and window movable fan body, because in the cooperation relation of first guiding portion and first guide slot, door and window movable fan body that is connected with first guide slot is more stable in the operation in-process than the pulley assembly who is connected with first guiding portion, namely for first guide slot provides a stable operational environment, make first guide portion have a stable sliding fit basis, improve the stability in the diversion slip in-process, improve pulley assembly's durability.

It should be noted that, in this embodiment, when the door and window movable fan generates movement perpendicular to the door and window frame, under the action of the first guide groove, the first guide portion generates displacement along the movement direction of the pulley assembly, so as to drive the pulley assembly to move along the direction of the pulley assembly, and in a state that the pulley assembly does not move along the direction perpendicular to the door and window frame, the door and window movable fan completes movement perpendicular to the door and window frame.

The first guide groove includes: the first groove body is long; the second groove body is arranged at one end of the first groove body; the third groove body is arranged at the other end of the first groove body; an included angle formed by the length direction of the first groove body and the moving direction of the pulley assembly is an acute angle; the second groove body and the third groove body are communicated with the first groove body. Further, the second groove body and the third groove body are respectively at a certain angle with the first groove body, and the second groove body and the third groove body are basically parallel to the moving direction of the pulley assembly.

Specifically describing, in the embodiment of the present utility model, the driving assembly 1 includes: a fixed plate 101 for fixing the frame of the movable sash A of the door and window; a driving member 102 slidably provided on the fixed plate 101; the first guide groove 3 is provided on the driving member 102.

It should be noted that, in the above embodiment, the pulley assembly is not easy to move along the moving direction of the door and window frame due to the vertical movement of the door and window movable frame under the pressure. In this embodiment, by providing the first guide groove on the driving member, the driving member can move in the moving direction of the sliding assembly in the fixing member; when the door and window movable fan body moves vertically to the door and window frame body, the pulley component is not easy to move due to relatively large pressure, namely, the first guide part is static relative to the door and window frame body, the first guide groove receives first acting force along the moving direction of the pulley component in the moving process of the door and window movable fan body, and the driving piece is driven to generate displacement along the moving direction of the pulley component. That is, the door and window movable fan body can realize vertical movement only by counteracting the moving resistance of the driving piece in the moving process of the vertical door and window frame body.

Specifically describing, in the embodiment of the present utility model, the first roller 401 is disposed on the first guiding portion 4, and the first roller 401 is used to abut against the inner wall of the first guiding groove 3.

The sliding friction between the first guide part and the first guide groove can be converted into rolling friction through the first rolling sleeve, so that friction loss is reduced, resistance is reduced, and durability is improved.

Specifically describing, in the embodiment of the present utility model, the sliding structure 5 includes: a second roller 502 provided on the pulley assembly 2 and a first rail 501 provided on the drive assembly 1; the second roller 502 is in rolling engagement with the first rail 501.

Specifically describing, in the embodiment of the present utility model, the sliding structure 5 includes: a second roller 502 provided on the driving assembly 1 and a first rail 501 provided on the pulley assembly 2; the second roller 502 is in rolling engagement with the first rail 501.

It should be noted that there is a vertical sliding gap between the driving assembly 1 and the pulley assembly 2.

It should be noted that, friction force when can reduce drive assembly and slip subassembly relative movement through sliding structure, further reduce friction through the cooperation of first slide rail and second gyro wheel, reduce the resistance, improve convenient to use.

It should be noted that, be provided with sunken or protruding region on the first slide rail for restrict the positional relationship of second gyro wheel for first slide rail, and then can play the effect of keeping door and window movable fan body in the vertical door and window frame orientation upper position, realize keeping door and window movable fan body hugs closely the technical effect of door and window frame body.

Specifically describing, in the embodiment of the present utility model, the sliding structure 5 includes: a limit groove 503 provided in the driving assembly 1 and a limit guide rod 504 provided in the pulley assembly 2, wherein one end of the limit guide rod 504 moves in the limit groove 503.

Specifically describing, in the embodiment of the present utility model, the sliding structure 5 includes: a limit groove 503 provided in the pulley assembly 2 and a limit guide rod 504 provided in the drive assembly 1, wherein one end of the limit guide rod 504 moves in the limit groove 503.

It should be noted that, the relative motion path of the driving component and the sliding component is limited by the interaction of the limiting groove and the limiting guide rod, so that the stability of the device is improved.

Specifically describing, in an embodiment of the present utility model, the pulley assembly 2 includes: a pulley base 201; and a guide wheel 202 arranged on the pulley base 201, wherein the guide wheel 202 is used for being in sliding fit with the second guide groove B1 on the door and window frame body B, and the guide wheel 202 is used for restraining the pulley assembly 2 from moving along the vertical direction of the second guide groove B1.

It should be noted that, through the cooperation of leading wheel and second guide way, further restriction pulley assembly only can follow the direction removal of second guide way, reduces because the in-process of the perpendicular door and window frame body round trip movement of door and window movable fan body, the atress of slip gyro wheel subassembly improves holistic durability.

Specifically describing, in an embodiment of the present utility model, the pulley assembly 2 further includes: a sliding roller assembly 203 provided on the pulley base 201; the sliding roller assembly 203 is used for sliding on a door and window moving slide rail B2 provided on the door and window frame B.

It should be noted that the sliding roller assembly improves the sliding efficiency of the door and window.

Specifically describing, in the embodiment of the present utility model, the number of the sliding roller assemblies 203 is at least two, and the guide wheel 202 is disposed between the sliding roller assemblies 203; and/or the number of guide wheels 202 is at least one.

It should be noted that, through multiunit slip roller component and multiunit leading wheel, can improve the stability and the durability of device.

a door and window structure comprising: the door and window frame body B is provided with a second guide groove B1 and a door and window moving slide rail B2; a door and window movable fan body A arranged in the door and window frame body B; the pulley device C capable of moving bidirectionally in the first embodiment is arranged on the upper frame and the lower frame of the door and window movable fan body A; the second guide groove B1 is arranged on the top frame and the bottom frame of the door and window frame body B; the door and window moving slide rail B2 is arranged on the bottom frame of the door and window frame body B.

The application also provides a technical scheme of the door and window structure. In the technical scheme, the door and window movable fan body can realize the technical effect of bidirectional movement on the door and window frame body through the pulley device capable of bidirectional movement.

Specifically, in the embodiment of the present utility model, the method further includes: the sealing rubber strip D is arranged on the door and window frame body B or the door and window movable sash body A; the sealing rubber strip D is positioned between the door and window frame body B and the door and window movable fan body A.

When the movable sash of the door and window is vertically clung to the door and window frame, the inner and outer sealing of the whole door and window structure is realized due to the effect of the sealing rubber strip, and the technical effects of sealing and sound insulation are improved.

Example 1, as shown in fig. 1-5, is an embodiment of a lower pulley assembly:

a bi-directionally movable pulley assembly, the assembly comprising:

the driving component 1 is used for being arranged on the door and window movable fan body A; a pulley assembly 2 slidably provided on the door and window frame body B; a first guide groove 3 provided on the driving assembly 1; a first guide 4 provided on the pulley assembly 2; the sliding structure 5 is arranged on the driving assembly 1 and the pulley assembly 2, and the sliding structure 5 is used for restraining the driving assembly 1 and the pulley assembly 2 from relatively displacing in a first direction which is perpendicular to the moving direction of the pulley assembly 2; wherein the first guide part 4 is used for being embedded into the first guide groove 3; the first guide groove 3 is at least partially disposed diagonally in the first direction.

As a preferred embodiment, the drive assembly 1 comprises: a fixed plate 101 for fixing the frame of the movable sash A of the door and window; a driving member 102 slidably provided on the fixed plate 101; the first guide groove 3 is provided on the driving member 102.

As a preferred embodiment, the first guide 4 is provided with a first roller 401, the first roller 401 being adapted to abut against the inner wall of the first guide groove 3.

As a preferred embodiment, the sliding structure 5 includes: a second roller 502 provided on the pulley assembly 2 and a first rail 501 provided on the drive assembly 1; the second roller 502 is in rolling engagement with the first rail 501.

As a preferred embodiment, the sliding structure 5 includes: a second roller 502 provided on the driving assembly 1 and a first rail 501 provided on the pulley assembly 2; the second roller 502 is in rolling engagement with the first rail 501.

As a preferred embodiment, the sliding structure 5 includes: a limit groove 503 provided in the driving assembly 1 and a limit guide rod 504 provided in the pulley assembly 2, wherein one end of the limit guide rod 504 moves in the limit groove 503.

As a preferred embodiment, the sliding structure 5 includes: a limit groove 503 provided in the pulley assembly 2 and a limit guide rod 504 provided in the drive assembly 1, wherein one end of the limit guide rod 504 moves in the limit groove 503.

As a preferred embodiment, the pulley assembly 2 includes: a pulley base 201; and a guide wheel 202 arranged on the pulley base 201, wherein the guide wheel 202 is used for being in sliding fit with the second guide groove B1 on the door and window frame body B, and the guide wheel 202 is used for restraining the pulley assembly 2 from moving along the vertical direction of the second guide groove B1.

As a preferred embodiment, the pulley assembly 2 further comprises: a sliding roller assembly 203 provided on the pulley base 201; the sliding roller assembly 203 is used for sliding on a door and window moving slide rail B2 provided on the door and window frame B.

As a preferred embodiment, the number of the sliding roller assemblies 203 is at least two, and the guide wheel 202 is disposed between the plurality of sliding roller assemblies 203;

example 2, an embodiment of an upper sheave assembly is shown in fig. 6-9:

a bi-directionally movable pulley assembly, the assembly comprising:

Example 3

A door and window structure comprising: the door and window frame body B is provided with a second guide groove B1 and a door and window moving slide rail B2; a door and window movable fan body A arranged in the door and window frame body B; the bidirectional movable pulley device C of any one of the embodiments 1 to 8, wherein the bidirectional movable pulley device C is arranged on the upper frame and the lower frame of the door and window movable fan body A; the second guide groove B1 is arranged on the top frame and the bottom frame of the door and window frame body B; the door and window moving slide rail B2 is arranged on the bottom frame of the door and window frame body B.

As a preferred embodiment, further comprising: the sealing rubber strip D is arranged on the door and window frame body B or the door and window movable sash body A; the sealing rubber strip D is positioned between the door and window frame body B and the door and window movable fan body A.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A bi-directionally movable pulley assembly, comprising:

a driving component (1) arranged on the movable fan body (A) of the door and window;

a pulley assembly (2) arranged on the door and window frame body (B) in a sliding manner;

a first guide groove (3) arranged on the driving assembly (1);

a first guide (4) provided on the pulley assembly (2);

a sliding structure (5) arranged on the driving assembly (1) and the pulley assembly (2), wherein the sliding structure (5) is used for restraining the driving assembly (1) and the pulley assembly (2) from relatively displacing in a first direction, and the first direction is perpendicular to the moving direction of the pulley assembly (2);

wherein,,

the first guide part (4) is used for being embedded into the first guide groove (3);

the first guide groove (3) is at least partially arranged obliquely along the first direction.

2. The bi-directionally movable pulley arrangement according to claim 1, wherein the drive assembly (1) comprises:

a fixed plate (101) which is used for fixing and arranged on the frame of the movable sash body (A) of the door and window;

a driving member (102) slidably disposed on the fixed plate (101);

the first guide groove (3) is arranged on the driving piece (102).

3. The bidirectional movable pulley arrangement according to claim 1, characterized in that the first guide part (4) is provided with a first roller (401), which roller (401) is intended to abut against the inner wall of the first guide groove (3).

4. A bi-directionally movable pulley arrangement according to claim 1, wherein the sliding structure (5) comprises:

a second roller (502) arranged on the pulley assembly (2) and a first sliding rail (501) arranged on the driving assembly (1);

or, a second roller (502) arranged on the driving assembly (1) and a first sliding rail (501) arranged on the pulley assembly (2);

the second roller (502) is in rolling fit with the first sliding rail (501).

5. The bi-directionally movable pulley arrangement according to claim 4, wherein the sliding structure (5) further comprises:

a limit groove (503) arranged on the driving assembly (1) and a limit guide rod (504) arranged on the pulley assembly (2);

or, a limit groove (503) arranged on the pulley assembly (2) and a limit guide rod (504) arranged on the driving assembly (1);

one end of the limit guide rod (504) moves in the limit groove (503).

6. The bi-directionally movable pulley arrangement according to any one of claims 1-5, wherein the pulley assembly (2) comprises:

a pulley base (201);

the pulley base (201) is provided with a guide wheel (202), the guide wheel (202) is used for being in sliding fit with a second guide groove (B1) on the door and window frame body (B), and the guide wheel (202) is used for restraining the pulley assembly (2) from moving along the vertical direction of the second guide groove (B1).

7. The bi-directionally movable pulley arrangement of claim 6, wherein the pulley assembly (2) further comprises:

a sliding roller assembly (203) disposed on the pulley base (201);

the sliding roller assembly (203) is used for being arranged on a door and window moving sliding rail (B2) on the door and window frame body (B) in a sliding mode.

8. The bidirectional movable pulley arrangement according to claim 7, characterized in that the number of the sliding roller assemblies (203) is at least two, the guide wheels (202) being arranged between a plurality of the sliding roller assemblies (203); and/or

The number of the guide wheels (202) is at least one.

9. A door and window structure, comprising:

the door and window frame comprises a door and window frame body (B), wherein a second guide groove (B1) and a door and window moving sliding rail (B2) are arranged on the door and window frame body (B);

a door and window movable sash body (A) arranged in the door and window frame body (B);

the bidirectionally movable pulley arrangement (C) according to any one of claims 1-8, which is arranged on the upper and lower rims of the door and window movable sector (a);

the second guide groove (B1) is arranged on the top frame and the bottom frame of the door and window frame body (B);

the door and window moving slide rail (B2) is arranged on the bottom frame of the door and window frame body (B).

10. The door and window structure of claim 9, further comprising:

a sealing rubber strip (D) arranged on the door and window frame body (B) or the door and window movable fan body (A);

the sealing rubber strip (D) is positioned between the door and window frame body (B) and the door and window movable fan body (A).