CN117403975A - Anti-balance wheel structure and window body using same - Google Patents

Abstract

The invention discloses an anti-balance wheel structure and a window body using the same, wherein the anti-balance wheel structure is arranged between a window sash and a frame, the anti-balance wheel structure comprises a main board component and an adjusting component connected with the main board component, the main board component comprises a main board, a first adjusting hole is formed in the main board, the adjusting component comprises an adjusting part and a first pulley part, one end of the adjusting part is connected with the first pulley part, the other end of the adjusting part is connected with the first adjusting hole, and the connecting part of the other end of the adjusting part and the first adjusting hole can be adjusted relatively, so that the first pulley part is far away from or close to one side of the frame. According to the invention, the relative position relation between the other end of the adjusting part and the joint of the first adjusting hole can drive the first pulley part to move, so that the distance between the first pulley part and the window sash can be adjusted, and the adjustment of the anti-balance wheel structure is realized.

Description

Anti-balance wheel structure and window body using same

Technical Field

The invention relates to the technical field of doors and windows, in particular to an anti-balance wheel structure and a window body using the same.

Background

The window can move up and down due to the special transmission structure of the lifting window in the current market, but the problems that the window sashes are unbalanced left and right or are not perpendicular to the ground easily occur in the up and down movement process, so that the window sashes rub and collide with the frame, and the phenomena of damage to the section bar and the adhesive tape are caused. To avoid this, solutions have been adopted in the prior art to add anti-balance wheels to prevent direct friction and collision between the sash and the frame when the sash is unbalanced left and right or not perpendicular to the ground. However, the anti-balance wheels on the market at present are all of fixed structures and cannot be adjusted. This means that if there is an error in the width of the sash, the anti-balance cannot be well adapted, only by replacing the anti-balance of other specifications.

Disclosure of Invention

The invention aims to provide an anti-balance wheel structure and a window body applying the same, and aims to solve the problem that an anti-balance wheel in the prior art cannot be adjusted according to the width of a window sash.

The embodiment of the invention provides an anti-balance wheel structure which is arranged between a window sash and a frame, wherein the anti-balance wheel structure comprises a main board component and an adjusting component connected with the main board component, the main board component comprises a main board, a first adjusting hole is formed in the main board, the adjusting component comprises an adjusting part and a first pulley part, one end of the adjusting part is connected with the first pulley part, the other end of the adjusting part is connected with the first adjusting hole, and the joint of the other end of the adjusting part and the first adjusting hole can be adjusted relatively, so that the first pulley part is far away from or close to one side of the frame.

Further, the first adjusting hole is a strip-shaped hole or an arc-shaped hole, or a plurality of first adjusting holes are formed.

Further, the first adjusting hole is an arc hole, a first rotating hole is further formed in the main board, a second rotating hole is formed in the adjusting part corresponding to the first rotating hole, and the first rotating hole is in rotating connection with the second rotating hole through a first connecting piece; a second adjusting hole is formed in the adjusting part corresponding to the first adjusting hole; when the adjusting part rotates by taking the position of the first connecting piece as a rotation center in an adjustable state, the second adjusting hole can rotate in the arc range of the arc hole, and in an adjustable in-place state, the first adjusting hole is fixedly connected with the second adjusting hole through the second connecting piece.

Further, a first pulley hole is formed in one end, close to the first pulley portion, of the adjusting portion, and the first pulley portion is connected with the first pulley hole through a third connecting piece.

Further, the side of the main board corresponding to the first adjusting hole is provided with a protruding portion, the first rotating hole is formed in the protruding portion, the first pulley hole and the second adjusting hole are respectively located at two ends of the adjusting portion, and the second rotating hole is located between the first pulley hole and the second adjusting hole.

Further, the main board assembly further comprises a first positioning plate and a second pulley part, and the first positioning plate is arranged on the side edge of the main board; the first locating plate is correspondingly provided with a second pulley hole, the second pulley part is connected with the second pulley hole through a fourth connecting piece, and the axis direction of the second pulley part is perpendicular to the axis direction of the first pulley part.

Further, the main board assembly further comprises a second positioning plate and a third pulley part, and the second positioning plate is arranged on the side edge of the main board; the second locating plate is correspondingly provided with a third pulley hole, the third pulley part is connected with the third pulley hole through a fifth connecting piece, the axis direction of the third pulley part is perpendicular to the axis direction of the first pulley part, and the axis of the third pulley part is parallel to the axis of the second pulley part.

Further, the first positioning plate and the second positioning plate are opposite in orientation.

The embodiment of the invention also provides a window body, which comprises a window sash and a frame, wherein the anti-balance wheel structure is arranged between the window sash and the frame.

Further, a fixing hole is formed in the main board, and the fixing hole is connected with the window sash through a sixth connecting piece.

The embodiment of the invention provides an anti-balance wheel structure and a window body applying the same, wherein the anti-balance wheel structure is arranged between a window sash and a frame and comprises a main board component and an adjusting component connected with the main board component, the main board component comprises a main board, a first adjusting hole is formed in the main board, the adjusting component comprises an adjusting part and a first pulley part, one end of the adjusting part is connected with the first pulley part, the other end of the adjusting part is connected with the first adjusting hole, and the joint of the other end of the adjusting part and the first adjusting hole can be adjusted relatively, so that the first pulley part is far away from or close to one side of the frame. According to the invention, the relative position relation between the other end of the adjusting part and the joint of the first adjusting hole can drive the first pulley part to move, so that the distance between the first pulley part and the window sash can be adjusted, and the adjustment of the anti-balance wheel structure is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an anti-balance wheel structure according to an embodiment of the present invention;

FIG. 2 is an exploded view of an anti-balance wheel structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a motherboard according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an adjusting portion according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a window according to an embodiment of the present invention;

FIG. 6 is a bird's eye view of a window according to an embodiment of the present invention;

FIG. 7 is a diagram illustrating a window adjustment variation according to an embodiment of the present invention;

fig. 8 is a second adjustment variation diagram of a window according to an embodiment of the present invention.

The figure identifies the description:

10. a main board assembly; 11. a main board; 111. a first adjustment aperture; 112. a first rotation hole; 113. a protruding portion; 12. a first positioning plate; 121. a second pulley hole; 13. a second pulley portion; 14. a second positioning plate; 141. a third pulley hole; 15. a third pulley section; 16. a fixing hole; 17. positioning ribs;

20. an adjustment assembly; 21. an adjusting section; 211. a second rotation hole; 212. a second adjustment aperture; 213. a first pulley hole; 22. a first pulley portion;

30. a first connector; 40. a second connector; 50. a third connecting member; 60. a fourth connecting member; 70. a fifth connecting member; 80. a sixth connecting member;

100. window sashes; 200. and a frame.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1 and 2, the anti-balance wheel structure provided by the embodiment of the invention is installed between a window sash and a frame, the anti-balance wheel structure comprises a main board assembly 10 and an adjusting assembly 20 connected with the main board assembly 10, the main board assembly 10 comprises a main board 11, a first adjusting hole 111 is formed in the main board 11, the adjusting assembly 20 comprises an adjusting part 21 and a first pulley part 22, one end of the adjusting part 21 is connected with the first pulley part 22, the other end of the adjusting part 21 is connected with the first adjusting hole 111, and the joint of the other end of the adjusting part 21 and the first adjusting hole 111 can be adjusted relatively, so that the first pulley part 22 is far away from or near one side of the frame.

In this embodiment, the main board 11 of the main board assembly 10 is provided with a first adjusting hole 111 for connecting with the adjusting assembly 20; the adjusting unit 20 is composed of an adjusting portion 21 and a first pulley portion 22, and one end of the adjusting portion 21 is connected to the first pulley portion 22. The other end of the adjusting portion 21 is connected to the first adjusting hole 111 of the main board assembly 10, and the connection portion has adjustability, and allows the adjusting portion 21 to relatively move in a specific direction, so that the first pulley portion 22 is far away from or near one side of the frame, and a swing preventing function is achieved. Through the relative adjustment of the first adjustment aperture 111 and the adjustment portion 21, the structure can accommodate different window sash widths, ensures that the position of the anti-balance wheel is aligned with the window frame, and avoids the problem of unadjustable common in the market. The position of the first pulley portion 22 may be adjusted according to the window sash width so as to be away from or near one side of the frame side. When the window sashes are unbalanced left and right, the anti-balance wheel can stabilize the window sashes, prevent the window sashes from rubbing and collision with the frame, and effectively prolong the service lives of the window sashes. The invention has simple structure, is easy to manufacture, install and maintain, and improves the production efficiency and the user experience. In the structural arrangement, the vibration-proof pad or the vibration-proof material can be added, so that the noise and vibration during the movement of the window sash can be reduced, and the use comfort can be improved. In addition, the first pulley portion 22 may also be made of a wear resistant material to increase the durability and stability of the structure.

In an embodiment, the first adjustment hole 111 is an elongated hole or an arc hole, or the first adjustment hole 111 is provided with a plurality.

In this embodiment, the first adjustment aperture 111 is of an elongated aperture design for a wide range of adjustment, which allows the anti-balance to accommodate windows of different widths, providing greater flexibility. The user can select the suitable position according to actual need for the casement motion is more steady. The design of the arc-shaped hole can also realize the adjustment of the relative position of the adjusting part 21 and the main board assembly 10. The multiple first adjusting holes 111 can be further arranged, the adjusting effect similar to that of the strip-shaped holes can be achieved, the multiple first adjusting holes 111 are designed to provide more choices, positioning is more convenient, the anti-balance wheel is applicable to different types of windows, universality and market adaptability of products are improved, and the multiple first adjusting holes 111 can be located at different positions on the main board 11 and are distributed along a straight line or a certain curve.

Further, a gasket may be designed around the first adjustment hole 111 to prevent intrusion of dust and moisture, reduce friction, improve durability of the anti-balance, and also may be considered to coat a low friction coefficient lubrication material on the surface of the anti-balance, reduce friction, and improve use effect.

Referring to fig. 3 and fig. 4, in an embodiment, the first adjusting hole 111 is an arc hole, the main board 11 is further provided with a first rotating hole 112, the adjusting portion 21 is provided with a second rotating hole 211 corresponding to the first rotating hole 112, and the first rotating hole 112 is rotationally connected with the second rotating hole 211 through the first connecting piece 30; the adjusting part 21 is provided with a second adjusting hole 212 corresponding to the first adjusting hole 111; in the adjustable state, when the adjusting portion 21 rotates with the position of the first connecting member 30 as the rotation center, the second adjusting hole 212 can rotate within the arc range of the arc hole, and in the adjusted in-place state, the first adjusting hole 111 and the second adjusting hole 212 are fixedly connected through the second connecting member 40.

In the present embodiment, the main plate 11 is provided with a first regulation hole 111 and a first rotation hole 112 in an arc shape. The adjusting portion 21 is provided with a second rotation hole 211 corresponding to the first rotation hole 112, and the first rotation hole 112 is rotatably connected to the second rotation hole 211 through a first connecting member 30 (such as a screw, a stud, a pin, etc.). The adjusting portion 21 is further provided with a second adjusting hole 212 corresponding to the first adjusting hole 111 for adjustment and fixation. The first link 30 connects the first rotation hole 112 and the second rotation hole 211, and allows the adjustment portion 21 to rotate around the first link 30; the second connector 40 (e.g., screw, stud, pin, rivet, etc.) connects the first adjustment aperture 111 and the second adjustment aperture 212 such that they remain fixed. By means of the rotation of the first connector 30, the adjustment part 21 can be rotated without being separated from the main board 11, ensuring alignment with the window frame, and adjustment is more convenient, and the second connector 40 is used to lock the first adjustment hole 111 and the second adjustment hole 212 after the adjustment part 21 is rotated in place. This design provides greater flexibility and accuracy, and adjusting portion 21 can not break away from with mainboard 11 in the adjustment process to second regulation hole 212 is in the arc in arc hole's arc scope rotates, adjusts more conveniently and accurately, ensures that the window of different width and height can be accommodated to the anti-balance wheel.

Specifically, when the installation of the anti-balance structure is completed, the first adjustment hole 111 and the second adjustment hole 212 are not connected, and the position of the adjustment portion 21 is in an adjustable state. At this time, the relative positions of the first adjustment hole 111 and the second adjustment hole 212 are not fixed yet, and the adjustment portion 21 can be freely adjusted. Depending on the actual width of the sash, the operator selects the appropriate adjustment point, typically a position between the first adjustment aperture 111 and the second adjustment aperture 212, to accommodate the width of the window. The second adjustment aperture 212 is adjusted to a desired position such that it is positioned within the particular location of the arcuate aperture and the attachment is secured. In this position, the second adjustment aperture 212 is no longer free to move. Once the first adjustment aperture 111 and the second adjustment aperture 212 are fixedly coupled by the second coupling member 40, the anti-balance structure completes the adjustment process. At this time, the anti-balance wheel structure adapts to the width of the window, ensures left and right balance of the window sash, and is not influenced by the width error of the window any more.

In an embodiment, the adjusting portion 21 has a first pulley hole 213 formed at an end near the first pulley portion 22, and the first pulley portion 22 is connected to the first pulley hole 213 through the third connecting member 50.

In the present embodiment, a first pulley hole 213 is opened at an end of the adjusting portion 21 near the first pulley portion 22 for mounting the first pulley portion 22. The first pulley portion 22 is coupled to the first pulley hole 213, and is coupled to the first pulley hole 213 by a third coupling member 50 (e.g., a screw, a stud, a pin, a rivet, etc.). The first pulley portion 22 is connected to the first pulley hole 213 through the third link 50, and this arrangement enables the anti-balance to smoothly slide when the window is lifted and lowered. The third connecting piece 50 provides connection stability, ensures stable movement of the anti-balance wheel, is not easy to be blocked, and prolongs the service life. The joint of the first pulley portion 22 and the first pulley hole 213 adopts a bearing structure or a sliding bearing, so that the friction force during sliding can be reduced, the operation force can be reduced, and the operation portability of the window sash can be improved. The design ensures the stability of the anti-balance wheel, ensures that the window is more stable when being opened and closed, reduces noise and vibration, and improves the use comfort of a user.

In an embodiment, the main plate 11 is provided with a protruding portion 113 corresponding to a side of the first adjusting hole 111, the first rotating hole 112 is disposed on the protruding portion 113, the first pulley hole 213 and the second adjusting hole 212 are respectively located at two ends of the adjusting portion 21, and the second rotating hole 211 is located between the first pulley hole 213 and the second adjusting hole 212.

In the present embodiment, the side of the main plate 11 is provided with a protrusion 113 for positioning and supporting the position of the first rotation hole 112. The first adjustment hole 111 is located at a side of the protrusion 113 corresponding to the first rotation hole 112 for mounting the first link 30. The first pulley hole 213 is located at one end of the adjustment portion 21 for mounting the first pulley portion 22. The second adjustment hole 212 is located at the other end of the adjustment portion 21 for fixing the first adjustment hole 111. The second rotation hole 211 is located between the first pulley hole 213 and the second adjustment hole 212 such that the adjustment portion 21 can rotate around the second rotation hole 211. The design of the projection 113 ensures accurate positioning of the first adjustment aperture 111 and the first rotation aperture 112, so that the anti-balance structure is more stable.

In one embodiment, the main board assembly 10 further includes a first positioning board 12 and a second pulley portion 13, where the first positioning board 12 is disposed at a side of the main board 11; the first positioning plate 12 is correspondingly provided with a second pulley hole 121, the second pulley portion 13 is connected with the second pulley hole 121 through the fourth connecting piece 60, and the axial direction of the second pulley portion 13 is perpendicular to the axial direction of the first pulley portion 22.

In the present embodiment, the side of the main plate 11 is provided with a first positioning plate 12 for positioning and supporting the position of the second pulley portion 13. The first positioning plate 12 is correspondingly provided with a second pulley hole 121 for mounting the second pulley portion 13. The axial direction of the second pulley portion 13 is perpendicular to the axial direction of the first pulley portion 22, so that the anti-balance has better stability of movement. The fourth connecting member 60 (such as a screw, a stud, a pin, a rivet, etc.) connects the second pulley portion 13 and the second pulley hole 121, providing connection stability, ensuring smooth movement of the second pulley portion 13, being not easy to be jammed, and extending the service life. The first positioning plate 12 serves to support the second pulley portion 13 such that the second pulley portion 13 can slide in the vertical direction. The axial direction of the second pulley portion 13 is perpendicular to the axial direction of the first pulley portion 22, so that stability of the anti-balance wheel is increased, and stable movement of the window sash is ensured.

In one embodiment, the main board assembly 10 further includes a second positioning board 14 and a third pulley portion 15, where the second positioning board 14 is disposed at a side of the main board 11; the second positioning plate 14 is correspondingly provided with a third pulley hole 141, the third pulley portion 15 is connected with the third pulley hole 141 through the fifth connecting piece 70, the axial direction of the third pulley portion 15 is perpendicular to the axial direction of the first pulley portion 22, and the axial line of the third pulley portion 15 is parallel to the axial line of the second pulley portion 13.

In the present embodiment, the side of the main plate 11 is provided with a second positioning plate 14 for positioning and supporting the position of the third pulley portion 15. The second positioning plate 14 is correspondingly provided with a third pulley hole 141 for installing the third pulley portion 15. The axis direction of the third pulley portion 15 is perpendicular to the axis direction of the first pulley portion 22, while the axis of the third pulley portion 15 is parallel to the axis of the second pulley portion 13, so that the anti-balance has motion stability in a plurality of directions. The fifth connecting member 70 (such as a screw, a stud, a pin, a rivet, etc.) connects the third pulley portion 15 and the third pulley hole 141, provides connection stability, ensures stable movement of the third pulley portion 15, is not easy to be jammed, and prolongs the service life. The second positioning plate 14 serves to support the third pulley portion 15 such that the third pulley portion 15 can slide in the vertical direction. The axial direction of the third pulley portion 15 is perpendicular to the axial direction of the first pulley portion 22, ensuring stability of the anti-balance wheel and preventing tilting of the window sash. Meanwhile, the axis of the third pulley part 15 is parallel to the axis of the second pulley part 13, so that stability and stable movement of the balance wheel are ensured, and friction and vibration are reduced.

In one embodiment, the orientation of the first positioning plate 12 is opposite to the orientation of the second positioning plate 14.

In the present embodiment, the first positioning plate 12 is located at one side of the main plate 11 for supporting and positioning the position of the second pulley portion 13; the second positioning plate 14 is also located on one side of the main plate 11, facing opposite with respect to the first positioning plate 12, for supporting and positioning the position of the third pulley portion 15. Such a design helps to maintain balance and stability during lifting or lowering of the sash due to the opposite orientation of the first and second positioning plates 12, 14. By arranging the positioning plates with different orientations, the stability and reliability of the anti-balance wheel structure are improved, the unstable condition in the window sash movement process is reduced, and the damage risk caused by unbalance or friction is reduced.

Referring to fig. 5 to 8, the embodiment of the present invention further provides a window body, which includes a window sash 100 and a frame 200, and the anti-balance wheel structure is disposed between the window sash 100 and the frame 200.

In this embodiment, the anti-balance structure is mounted at the junction of the sash 100 and the bezel 200. The first pulley portion 22 is connected to the window sash 100, the first pulley portion 22 is slidably connected to one side of the frame 200, and the second pulley portion 13 and the third pulley portion 15 are slidably connected to the other two opposite sides of the frame 200, respectively, so that smooth vertical movement of the window sash 100 is ensured. The inner side of the frame 200 is provided with corresponding grooves or guides for receiving and guiding the movement of the anti-balance structure, ensuring that the window sash 100 can move smoothly while being lifted and lowered. The arrangement of the anti-balance wheel structure enables the window sash 100 to move up and down more stably, and avoids the problem that the window sash 100 is unbalanced left and right or is not perpendicular to the ground. The sliding design of the anti-balance reduces friction between the window sash 100 and the frame 200, reduces abrasion of the structure, and prolongs the service life of the window body. As shown in fig. 7 and 8, by adjusting the relative position of the adjusting portion 21 and the main plate 11, the distance between the first pulley portion 22 and the main plate 11 can be made relatively close to or distant from each other, and thus the distance between the first pulley portion 22 and the frame can be made relatively close to or distant from each other.

In one embodiment, the main board 11 is provided with a fixing hole 16, and the fixing hole 16 is connected to the window sash 100 through a sixth connecting piece 80.

In this embodiment, the fixing hole 16 is formed in the main plate 11, and is used to mount a sixth connection member 80 (e.g., a screw, a stud, a pin, a rivet, etc.) for connecting the window sash 100. The sixth connection member 80 is connected to the main board 11 through the fixing hole 16 while being connected to the window sash 100, fixing the anti-balance structure to the window sash 100. Through fixed orifices 16 and sixth connecting piece 80, casement 100 is firmly connected with preventing the balance structure, has strengthened the stability of preventing the balance structure, prevents to prevent that the balance structure from rocking or droing in the motion process, has improved the life of whole window form. In addition, the fixing holes 16 may be provided in plurality, for example, in a plurality at intervals in the vertical direction, to enhance the stability of the connection.

Further, the main plate 11 is further provided with a positioning rib 17, and the positioning rib 17 is a component on the main plate 11 in the anti-balance wheel structure, and is usually a protruding or protruding structure. The main purpose of the locating rib 17 is to provide location and support when the sash 100 is installed. The positioning ribs 17 are generally located at specific positions of the main board 11 for guiding and positioning the installation position of the main board 11.

In summary, the present invention prevents the window sash 100 from being left and right unbalanced or not perpendicular to the ground by the design of the adjustment assembly 20, thereby avoiding friction and collision. The anti-balance wheel structure can be finely adjusted according to the size of a window, the problem that an anti-balance wheel is not adjustable in the market is solved, and the universality is improved.

In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.

It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or the like that comprises the element.

Claims (10)

1. An anti-balance wheel structure installed between a window sash and a frame, characterized in that the anti-balance wheel structure comprises: the main board assembly comprises a main board, a first adjusting hole is formed in the main board, the adjusting assembly comprises an adjusting portion and a first pulley portion, one end of the adjusting portion is connected with the first pulley portion, the other end of the adjusting portion is connected with the first adjusting hole, the connecting position of the other end of the adjusting portion and the first adjusting hole can be adjusted relatively, and the first pulley portion is far away from or close to one side of the frame.

2. The anti-balance wheel structure according to claim 1, wherein the first adjustment hole is an elongated hole or an arc hole, or a plurality of the first adjustment holes are provided.

3. The balance wheel preventing structure according to claim 2, wherein the first adjusting hole is an arc hole, a first rotating hole is further formed in the main board, a second rotating hole is formed in the adjusting portion corresponding to the first rotating hole, and the first rotating hole is rotatably connected with the second rotating hole through a first connecting piece; a second adjusting hole is formed in the adjusting part corresponding to the first adjusting hole;

when the adjusting part rotates by taking the position of the first connecting piece as a rotation center in an adjustable state, the second adjusting hole can rotate in the arc range of the arc hole, and in an adjustable in-place state, the first adjusting hole is fixedly connected with the second adjusting hole through the second connecting piece.

4. The balance preventing structure according to claim 3, wherein a first pulley hole is formed in an end of the adjusting portion, which is close to the first pulley portion, and the first pulley portion is connected to the first pulley hole through a third connecting member.

5. The anti-balance wheel structure according to claim 4, wherein a protruding portion is provided on a side of the main plate corresponding to the first adjustment hole, the first rotation hole is provided on the protruding portion, the first pulley hole and the second adjustment hole are located at two ends of the adjustment portion, respectively, and the second rotation hole is located between the first pulley hole and the second adjustment hole.

6. The anti-balance wheel structure of claim 1, wherein the main plate assembly further comprises a first positioning plate and a second pulley portion, the first positioning plate being disposed on a side of the main plate; the first locating plate is correspondingly provided with a second pulley hole, the second pulley part is connected with the second pulley hole through a fourth connecting piece, and the axis direction of the second pulley part is perpendicular to the axis direction of the first pulley part.

7. The anti-balance wheel structure of claim 6, wherein the main plate assembly further comprises a second positioning plate and a third pulley portion, the second positioning plate being disposed on a side of the main plate; the second locating plate is correspondingly provided with a third pulley hole, the third pulley part is connected with the third pulley hole through a fifth connecting piece, the axis direction of the third pulley part is perpendicular to the axis direction of the first pulley part, and the axis of the third pulley part is parallel to the axis of the second pulley part.

8. The anti-balance structure of claim 7, wherein the first detent plate is oppositely oriented from the second detent plate.

9. A window comprising a sash and a rim, between which an anti-balance structure according to any one of claims 1-8 is arranged.

10. The window according to claim 9, wherein a fixing hole is formed in the main board, and the fixing hole is connected with the window sash through a sixth connecting piece.