Hinge anti-warping structure and hinge

Abstract

The hinge anti-warping structure is installed on the hinge, the hinge comprises a first connecting rod and a bottom plate, one end of the first connecting rod is rotationally connected with the bottom plate through a spin riveting shaft, the hinge anti-warping structure comprises an anti-warping piece, the spin riveting shaft sequentially penetrates through the first connecting rod and the bottom plate and is connected with one end of the anti-warping piece, and the other end of the anti-warping piece is connected with the spin riveting shaft; an anti-warping part is arranged on the anti-warping piece, and when the hinge is installed on a window frame, the anti-warping part abuts against a profile installation groove of the window frame. The first connecting rod and the anti-warping piece are connected through the spin riveting shaft, the anti-warping piece abuts against the window frame, and the gravity action of a window sash borne by the first connecting rod can be transmitted to the window frame, so that the bottom plate of the hinge does not warp or deform, inclination and drooping of the window sash are avoided, the window sash can be normally closed, and the service life of the window sash is prolonged. The anti-warping effect of the hinge and the user experience are improved, the bearing performance and safety of a window sash are improved, and meanwhile the hinge cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of doors and windows, and in particular to a hinge anti-warping structure and a hinge. Background Art

[0002] In the door and window hardware system, hinges play a key role in realizing the various opening and closing functions of window sashes. The opening and closing operations of window sashes in daily use rely on the normal operation of hinges.

[0003] When the hinges of the prior art are applied to casement windows, there is a more serious problem. Since the window itself sags due to gravity, this phenomenon will have an adverse effect on the hinge, especially the bottom plate of the hinge is prone to warping, bending and deformation. Once the bottom plate of the hinge is deformed in this way, it will directly cause the window to tilt and sag. As a result of the window tilting and sagging, the window sash cannot be closed normally, which seriously affects the normal use function of doors and windows. In addition, this situation will significantly reduce the load-bearing capacity of the window sash. In terms of safety, the tilted and unclosed window sash may be at risk of accidentally falling, seriously threatening the personal and property safety of the user; in terms of user experience, the window sash cannot be operated smoothly, and it may become difficult to close or open, which greatly reduces the user's satisfaction with door and window products.

[0004] At present, there are some anti-warping structures proposed on the market to solve the problem of hinge base plate warping. One of them is to set an anti-warping structure on the outside of the first connecting rod of the hinge base plate. However, this structure is far away from the first connecting rod, and the actual anti-warping effect is far inferior to the effect when the anti-pry structure is connected to the first connecting rod. Another anti-warping structure is to rivet a nut block under the adjustment plate, and clamp the profile by tightening the nut block, so as to achieve the anti-warping function without affecting the adjustment function. However, this structure has obvious limitations. It has very little space available. For example, when the window adopts an inward-tilting type, this structure cannot be applied due to space limitations, and it increases the production cost, which is not conducive to the market promotion and wide application of the product. Summary of the invention

[0005] The purpose of the present invention is to provide a hinge anti-warping structure and a hinge, aiming to solve the problems of poor anti-warping effect and high cost of the existing anti-warping structure.

[0006] An embodiment of the present invention provides a hinge anti-warping structure, which is installed on a hinge, and the hinge includes: a first connecting rod and a base plate, one end of the first connecting rod and the base plate are rotatably connected via a rivet shaft, and the hinge anti-warping structure includes: an anti-warping piece, the rivet shaft passes through the first connecting rod and the base plate in sequence and is connected to one end of the anti-warping piece, the anti-warping piece is provided with an anti-warping portion, and when the hinge is installed on a window frame, the anti-warping portion abuts against a profile mounting groove of the window frame.

[0007] Furthermore, the anti-warping component also includes: a first fixed body, the first fixed body is fixedly connected to the anti-warping portion, and the first fixed body and the anti-warping portion are located in the same plane.

[0008] Furthermore, a first sinker is provided on the base plate, and the first fixed body is installed on a side of the first sinker away from the first connecting rod, so that a first limiting groove for cooperating with the side wall of the profile installation groove is formed between the anti-warping portion and the base plate.

[0009] Furthermore, it also includes: an eccentric shaft, and the other end of the anti-warping member is connected to the bottom plate through the eccentric shaft.

[0010] Furthermore, the anti-warping portion is formed by extending the anti-warping piece along the side wall direction of the profile mounting groove.

[0011] Furthermore, the width of the anti-warping portion is less than or equal to the width of the profile mounting groove.

[0012] Furthermore, the anti-warping component also includes: a second fixed body, the second fixed body is fixedly connected to the anti-warping portion, the second fixed body and the anti-warping portion are located in different planes so that a second limiting groove for cooperating with the side wall of the profile mounting groove is formed between the anti-warping portion and the bottom plate.

[0013] Further, a first through hole is provided on the first connecting rod, a second through hole is provided on the bottom plate, a third through hole and a convex hull structure are provided on the second fixed body, the rotary rivet shaft passes through the third through hole, the second through hole and the first through hole in sequence, and the sizes of the first through hole, the second through hole and the third through hole are all larger than the size of the rotary rivet shaft so that the rotary rivet shaft has an inclined space, and when the shaft cap of the rotary rivet shaft abuts against the convex hull structure, there is a gap between the second fixed body and the shaft cap of the rotary rivet shaft.

[0014] Furthermore, a connection between the second fixing body and the anti-warping portion is an arc-shaped structure.

[0015] An embodiment of the present invention further provides a hinge, comprising: the above-mentioned hinge anti-warping structure.

[0016] The present invention discloses a hinge anti-warping structure and a hinge. The hinge anti-warping structure is installed on the hinge. The hinge includes: a first connecting rod and a bottom plate. One end of the first connecting rod and the bottom plate are rotatably connected by a rivet shaft. The hinge anti-warping structure includes: an anti-warping piece. The rivet shaft passes through the first connecting rod and the bottom plate in sequence and is connected to one end of the anti-warping piece. The anti-warping piece is provided with an anti-warping portion. When the hinge is installed on the window frame, the anti-warping portion abuts against the profile mounting groove of the window frame. The present invention connects the first connecting rod and the anti-warping piece by the rivet shaft, and abuts the anti-warping piece on the window frame, so that the gravity of the window sash carried by the first connecting rod can be transmitted to the window frame, so that the bottom plate of the hinge can not be warped and deformed, and the window sash is prevented from tilting and sagging, so that the window sash can be closed normally, thereby improving the anti-warping effect and user experience of the hinge, and also improving the load-bearing performance and safety of the window sash, while also reducing the hinge cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0018] Figure 1 An exploded view of the hinge anti-warping structure of Example 1;

[0019] Figure 2 It is a structural schematic diagram of the hinge anti-warping structure of Example 1;

[0020] Figure 3 is a cross-sectional schematic diagram of the hinge anti-warping structure of Example 1;

[0021] Figure 4 It is a schematic structural diagram of the anti-warping member of Example 1;

[0022] Figure 5 It is a structural schematic diagram of the eccentric shaft of Example 1;

[0023] Figure 6 It is a cross-sectional schematic diagram of the connection piece and the nut piece of Example 1 after installation;

[0024] Figure 7 This is a schematic diagram of the installation of the hinge anti-warping structure of Example 1;

[0025] Figure 8 An exploded view of the hinge anti-warping structure of Example 2;

[0026] Fig. 9 is a cross-sectional schematic diagram of the hinge anti-warping structure of Example 2;

[0027] Fig.10It is a schematic structural diagram of the anti-warping member of Example 2;

[0028] Fig.11 is a cross-sectional schematic diagram of the anti-warping member of Example 2 after installation;

[0029] Fig.12 is a schematic structural diagram of the first connecting rod of Example 2;

[0030] Fig.13 is a schematic structural diagram of the bottom plate of Example 2;

[0031] Fig.14 This is a schematic diagram of the installation of the hinge anti-warping structure of Example 2;

[0032] Description of the markings in the figure:

[0033] 1. Hinge;

[0034] 2. a first connecting rod; 21. a first through hole;

[0035] 3. Bottom plate; 31. First sinking platform; 32. Second sinking platform; 33. Second through hole;

[0036] 4. Riveting shaft; 41. Shaft cap;

[0037] 5. Anti-warping member; 51. Anti-warping portion; 52. First fixed body; 53. Second fixed body; 531. Arc structure; 532. Third through hole; 533. Convex structure;

[0038] 6. Profile installation slot; 61. First limiting slot; 62. Auxiliary limiting slot; 63. Second limiting slot;

[0039] 7. eccentric shaft; 71. eccentric section; 72. connecting section;

[0040] 8. Connectors;

[0041] 9. Nut. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0044] It should also be understood that the terms used in this specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the specification of the present invention and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0045] It should be further understood that the term "and / or" used in the present description and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0046] Embodiment 1:

[0047] See also Figure 1-4 The present embodiment provides a hinge anti-warping structure, which is installed on a hinge 1. The hinge 1 includes: a first connecting rod 2 and a base plate 3. One end of the first connecting rod 2 and the base plate 3 are rotatably connected via a rivet shaft 4. The hinge anti-warping structure includes: an anti-warping member 5. The rivet shaft 4 passes through the first connecting rod 2 and the base plate 3 in sequence and is connected to one end of the anti-warping member 5. An anti-warping portion 51 is provided on the anti-warping member 5. When the hinge 1 is installed on the window frame, the anti-warping portion 51 abuts against the profile mounting groove 6 of the window frame.

[0048] In this embodiment, the first connecting rod 2 and the anti-warp member 5 are connected by the rivet shaft 4, and the anti-warp member 5 is abutted against the window frame, so that the gravity of the window sash carried by the first connecting rod 2 can be transmitted to the rivet shaft 4, and then the rivet shaft 4 can transmit the force it bears to the anti-warp member 5, and then the anti-warp member 5 will transmit the force it bears to the window frame, thereby reducing or even eliminating the force of the rivet shaft 4 on the bottom plate 3, so that the bottom plate 3 of the hinge 1 can not be warped and deformed, avoiding the tilting and sagging of the window sash, so that the window sash can be closed normally, improving the anti-warp effect and user experience of the hinge 1, and also improving the load-bearing performance and safety of the window sash, while also reducing the cost of the hinge 1. Among them, the rivet shaft 4 passes through the first connecting rod 2 and the bottom plate 3 in turn and is rotatably connected with one end of the anti-warp member 5. The rotational connection method can be hinged, and the rotational connection does not limit a specific rotational pair such as a sliding bearing type rotational pair, a rolling bearing type rotational pair, or other kinematic pairs that can realize a rotational form, etc. Of course, in some embodiments, the rotational connection method can also be riveted.

[0049] In this embodiment, the anti-warping member 5 further includes: a first fixed body 52 , the first fixed body 52 is fixedly connected to the anti-warping portion 51 , and the first fixed body 52 and the anti-warping portion 51 are located in the same plane.

[0050] The first fixed body 52 has a plurality of fixing holes, which are evenly distributed on the first fixed body 52, so as to firmly connect it with other components through connecting parts such as bolts and rivet shafts 4. The anti-warping part 51 and the first fixed body 52 are located in the same plane and are fixedly connected together to form a more stable overall structure. This design can effectively resist the warping deformation caused by external force or pressure, ensuring that the anti-warping part 5 remains flat and stable during use.

[0051] In this embodiment, a first sink 31 (such as Figure 1 As shown), the first fixed body 52 is installed on the side of the first sink 31 away from the first connecting rod 2, so that a first limiting groove 61 (as shown) for cooperating with the side wall of the profile installation groove 6 is formed between the anti-warping portion 51 and the bottom plate 3 Figure 3 shown).

[0052] This design can effectively enhance the stability of the entire structure. Since the anti-warping portion 51 and the bottom plate 3 are firmly abutted against the two ends of the side wall of the profile installation groove 6, the side wall of the profile installation groove 6 is firmly placed in the first limiting groove 61, so that the anti-warping member 5 can better play the role of preventing warping, thereby improving the anti-deformation ability of the overall structure.

[0053] In this embodiment, it also includes: an eccentric shaft 7 (such as Figure 1 As shown), the other end of the anti-warping member 5 is connected to the base plate 3 through an eccentric shaft 7.

[0054] By screwing the eccentric shaft 7, the anti-warping member 5 is driven to move along the length direction of the base plate 3, thereby driving the rivet shaft 4 to move along the length direction of the base plate 3, so as to drive the first connecting rod 2 connected to the rivet shaft 4 to move, and then adjust the left and right gaps of the window sash relative to the window frame, so as to achieve the purpose of adjusting the horizontal gap between the window sash and the window frame. Therefore, even if the window frame has a processing error or the window sash sags, the horizontal distance between the window sash and the window frame can be adjusted to achieve the best installation state.

[0055] For further information, see Figure 5 The eccentric shaft 7 includes: an eccentric segment 71 and a connecting segment 72 connected to the eccentric segment 71. The eccentric segment 71 is set away from the center of the connecting segment 72. The eccentric segment 71 passes through the bottom plate 3 and is rotatably connected to the other end of the anti-warping member 5. When the eccentric shaft 7 is installed on the bottom plate 3, the side of the connecting segment 72 connected to the eccentric segment 71 is located in the same horizontal plane as the side wall of the profile mounting groove 6.

[0056] The side where the connecting section 72 is connected to the eccentric section 71 is located at the same horizontal plane as the side wall of the profile installation groove 6, so that when the other end of the anti-warp member 5 is installed on the eccentric shaft 7, the anti-warp member 5 is in a horizontal position, thereby ensuring that the anti-warp member 5 is in surface-to-surface contact with the side wall of the profile installation groove 6, that is, the contact area between the anti-warp member 5 and the side wall of the profile installation groove 6 can be increased. A larger contact area is also conducive to dispersing stress. When subjected to external force, the stress can be more evenly distributed on the contact surface, reducing the risk of damage to components due to excessive local stress. This design can not only improve the safety of the overall structure, but also extend the service life of related components, providing more reliable protection for related structures.

[0057] In this embodiment, the anti-warping portion 51 is formed by extending the anti-warping member 5 along the side wall direction of the profile installation groove 6 .

[0058] By extending the side wall of the profile mounting groove 6, a continuous mechanical support structure is formed, which can effectively disperse the warping stress; at the same time, the extension path in the side wall direction forms a perpendicular relationship with the force direction of the anti-warping part 51, which can produce an anti-torque effect.

[0059] In this embodiment, the width of the anti-warping portion 51 is less than or equal to the width of the profile installation groove 6 .

[0060] Since the width of the anti-warping portion 51 is less than or equal to the width of the profile installation groove 6, the installation process becomes more convenient. The installer can easily and accurately insert the anti-warping portion into the profile installation groove 6 obliquely without additional adjustment or correction, thereby saving installation time and reducing installation difficulty.

[0061] In this embodiment, please refer to Figure 1 , and also includes: at least one connecting member 8 and at least one nut member 9, the connecting member 8 passes through the bottom plate 3 and is connected to the nut member 9, when the connecting member 8 is tightened, the nut member 9 abuts against the side wall of the profile mounting groove 6.

[0062] The cooperation of the connector 8 and the nut member 9 can ensure the connection stability between the profile mounting groove 6 and the base plate 3. Secondly, by tightening the connector 8 to make the nut member 9 abut against the side wall of the profile mounting groove 6, the operation is relatively simple. Moreover, this connection method is convenient for disassembly when maintenance or replacement of parts is required. Only by loosening the connector 8, the profile mounting groove 6 can be separated from the base plate 3, which greatly improves the efficiency of maintenance. At the same time, this structure also has a certain degree of adjustability. If a small gap or position deviation is found between the profile mounting groove 6 and the base plate 3 during the installation process, the nut member 9 can be better abutted against the side wall of the profile mounting groove 6 by appropriately adjusting the tightening degree of the connector 8, thereby achieving accurate installation and ensuring the flatness and stability of the overall structure. In addition, when the connector 8 is tightened into the nut member 9, the base plate 3 can be prevented from shaking left and right, thereby ensuring that the anti-warping portion 51 is separated from the side wall of the profile mounting groove 6, and then the anti-warping member 5 can be prevented from failing to play an anti-warping role.

[0063] Furthermore, the connecting member 8 passes through the base plate 3 and is rotatably connected to the nut member 9. The connecting member 8 may be a hexagon socket bolt, or other bolts or screws, etc. The rotational connection may be a hinged connection. The rotational connection is not limited to a specific rotational pair such as a sliding bearing rotational pair, a rolling bearing rotational pair, or other kinematic pairs that can achieve rotation. Of course, in some embodiments, the rotational connection may also be riveted.

[0064] In this embodiment, a second sink 32 (such as Figure 1 As shown), the nut member 9 is installed on the second sink 32 so that an auxiliary limiting groove 62 (as shown) for cooperating with the side wall of the profile installation groove 6 is formed between the nut member 9 and the bottom plate 3 Figure 6 shown).

[0065] This design can effectively enhance the stability of the entire structure. Since the nut member 9 and the bottom plate 3 are firmly abutted against the two ends of the side wall of the profile installation groove 6, the side wall of the profile installation groove 6 is firmly placed in the auxiliary limiting groove 62, so that the fixing function of the nut member 9 and the connecting member 8 can be better exerted.

[0066] See also Figure 7 The hinge 1 of this embodiment is installed as follows: first tilt the hinge 1 so that the anti-tilt member 5 can be hung into the side wall of the profile installation groove 6, then straighten the hinge 1, and then tighten the connecting member 8 to achieve the installation of the hinge 1.

[0067] Embodiment 2:

[0068] See also Figure 8-10The present embodiment provides a hinge anti-warping structure, which is installed on a hinge 1. The hinge 1 includes: a first connecting rod 2 and a base plate 3. One end of the first connecting rod 2 and the base plate 3 are rotatably connected via a rivet shaft 4. The hinge anti-warping structure includes: an anti-warping member 5. The rivet shaft 4 passes through the first connecting rod 2 and the base plate 3 in sequence and is connected to one end of the anti-warping member 5. An anti-warping portion 51 is provided on the anti-warping member 5. When the hinge 1 is installed on the window frame, the anti-warping portion 51 abuts against the side wall of the profile mounting groove 6 of the window frame.

[0069] In this embodiment, the first connecting rod 2 and the anti-warp component 5 are connected by the rivet shaft 4, and the anti-warp component 5 is abutted against the window frame, so that the gravity of the window sash carried by the first connecting rod 2 can be transmitted to the rivet shaft 4, and then the rivet shaft 4 can transmit the force it is borne to the anti-warp component 5, and then the anti-warp component 5 will transmit the force it is borne to the window frame, thereby reducing or even eliminating the force of the rivet shaft 4 on the bottom plate 3, so that the bottom plate 3 of the hinge 1 can not be warped and deformed, avoiding the tilting and sagging of the window sash, so that the window sash can be closed normally, thereby improving the anti-warp effect and user experience of the hinge 1, and also improving the load-bearing performance and safety of the window sash, while also reducing the cost of the hinge 1.

[0070] For further information, see Fig.10 and Fig.11 The anti-warping component 5 also includes: a second fixed body 53, the second fixed body 53 is fixedly connected to the anti-warping portion 51, and the second fixed body 53 and the anti-warping portion 51 are located in different planes so that a second limiting groove 63 for cooperating with the side wall of the profile mounting groove 6 is formed between the anti-warping portion 51 and the bottom plate 3.

[0071] At the same time, the second fixed body 53 may be provided with a plurality of positioning holes, which can be accurately connected with other components to ensure the stability of the entire structure. By arranging the second fixed body 53 and the anti-warping portion 51 on different planes, the rigidity and anti-deformation ability of the overall structure can be effectively increased. This can not only better resist warping or distortion caused by external forces, but also provide more stable support.

[0072] Furthermore, the connection between the second fixing body 53 and the anti-warping portion 51 is an arc-shaped structure 531 (such as Fig.10 The arc structure 531 prevents the anti-warping member 5 from causing accidental injury to the operator during operation, and is also conducive to improving installation efficiency. In addition, when the second fixing body 53 is connected to the anti-warping portion 51 through the arc structure 531, this design can effectively disperse the external stress or load to a larger area, thereby reducing the single-point stress situation and improving the stability and durability of the overall structure.

[0073] In this embodiment, the first connecting rod 2 is provided with a first through hole 21 (such as Fig.12As shown), the bottom plate 3 is provided with a second through hole 33 (as shown Fig.13 The second fixing body 53 is provided with a third through hole 532 and a convex structure 533 (as shown in Fig.10 As shown in FIG. 1 , the spin riveting shaft 4 passes through the third through hole 532, the second through hole 33 and the first through hole 21 in sequence. The sizes of the first through hole 21, the second through hole 33 and the third through hole 532 are all larger than the size of the spin riveting shaft 4 so that the spin riveting shaft 4 has a tilting space. When the shaft cap 41 (as shown in FIG. 1 ) of the spin riveting shaft 4 Fig.11 When the second fixing body 53 abuts against the convex structure 533, a gap is provided between the second fixing body 53 and the shaft cap 41 of the rotary riveting shaft 4.

[0074] The design of the convex structure 533 makes the distance between the two sides of the rotary riveting shaft 4 (at this time, the shaft cap 41 is riveted downward) connected to the first connecting rod 2 and the bottom plate 3 have a high and low step difference (such as Fig.11 As shown, the distance E between the second fixed body 53 and the shaft cap 41 of the rotary rivet shaft 4 is greater than the distance F between the shaft cap 41 of the rotary rivet shaft 4 and the convex structure 533). At the same time, since the sizes of the first through hole 21, the second through hole 33 and the third through hole 532 are all larger than the size of the rotary rivet shaft 4, the rotary rivet shaft 4 can swing left and right instead of being riveted straight up and down. Therefore, the hinge 1 can swing left and right relative to the window frame, and the window sash can be tilted inward with the hinge 1.

[0075] See also Fig.14 The hinge 1 of this embodiment is installed as follows: first tilt the hinge 1 so that the anti-tilt member 5 can be hung into the side wall of the profile installation groove 6, then straighten the hinge 1, and then tighten the connecting member 8 to achieve the installation of the hinge 1.

[0076] This embodiment also provides a hinge 1, including: the hinge anti-warping structure of the above embodiment.

[0077] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part description. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

[0078] It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive.

[0079] Inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "including a..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A hinge anti-warping structure, installed on a hinge, the hinge comprising: A first connecting rod and a base plate, one end of the first connecting rod and the base plate are rotatably connected via a rivet shaft, and is characterized in that the hinge anti-warping structure comprises: an anti-warping piece, the rivet shaft sequentially passes through the first connecting rod and the base plate and is connected to one end of the anti-warping piece, an anti-warping portion is provided on the anti-warping piece, and when the hinge is installed on the window frame, the anti-warping portion abuts against the profile mounting groove of the window frame.

2. The hinge anti-warping structure according to claim 1, characterized in that: The anti-warping component further includes: a first fixed body, the first fixed body is fixedly connected to the anti-warping portion, and the first fixed body and the anti-warping portion are located in the same plane.

3. The hinge anti-warping structure according to claim 2, characterized in that: A first sinking platform is provided on the bottom plate, and the first fixed body is installed on a side of the first sinking platform away from the first connecting rod, so that a first limiting groove for cooperating with the side wall of the profile installation groove is formed between the anti-warping portion and the bottom plate.

4. The hinge anti-warping structure according to claim 1, characterized in that: Also includes: An eccentric shaft, wherein the other end of the anti-warping member is connected to the base plate through the eccentric shaft.

5. The hinge anti-warping structure according to claim 1, characterized in that: The anti-warping portion is formed by extending the anti-warping piece along the side wall direction of the profile installation groove.

6. The hinge anti-warping structure according to claim 1, characterized in that: The width of the anti-warping portion is less than or equal to the width of the profile installation groove.

7. The hinge anti-warping structure according to claim 1, characterized in that: The anti-warping component also includes: a second fixed body, the second fixed body is fixedly connected to the anti-warping portion, the second fixed body and the anti-warping portion are located in different planes so that a second limiting groove for cooperating with the side wall of the profile mounting groove is formed between the anti-warping portion and the bottom plate.

8. The hinge anti-warping structure according to claim 7, characterized in that: The first connecting rod is provided with a first through hole, the bottom plate is provided with a second through hole, the second fixed body is provided with a third through hole and a convex hull structure, the rotary riveting shaft passes through the third through hole, the second through hole and the first through hole in sequence, the sizes of the first through hole, the second through hole and the third through hole are all larger than the size of the rotary riveting shaft so that the rotary riveting shaft has a tilting space, and when the shaft cap of the rotary riveting shaft abuts against the convex hull structure, there is a gap between the second fixed body and the shaft cap of the rotary riveting shaft.

9. The hinge anti-warping structure according to claim 7, characterized in that: The connection between the second fixing body and the anti-warping portion is an arc-shaped structure.

10. A hinge, characterized in that: include: The hinge anti-warping structure as described in any one of claims 1 to 9.

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