Heavy dustproof hinge
By using a limited-angle bevel to hold the long and middle arms in the heavy-duty dustproof hinge, combined with a dustproof structure for the sliding parts, the problems of poor wind resistance and easy wear of traditional sliding hinges are solved, thus improving wind resistance and ensuring smooth opening and closing.
Patent Information
- Application Number
- CN202422683779.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Traditional sliding hinges have poor wind resistance, are prone to wear and deformation, and sand and dust can easily enter the groove, causing them to open and close unevenly.
A heavy-duty dustproof hinge was designed. By pressing square rivets at the bottom of the support arm, the long arm and the middle arm are clamped by the limiting angle bevel, forming a secondary wind-resistant structure. A sliding part is set on the base plate to prevent dust from entering the sliding groove.
It improves wind resistance, prevents deformation of the sliding hinge, ensures smooth opening and closing, and enhances the safety performance of the window.
Smart Images
Figure CN223562659U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hinge technical field, concretely is a heavy -duty dustproof hinge. BACKGROUND
[0002] At present, the slide support hinge is a very important core accessory in casement window, and the quality of the slide support hinge influences the use experience of the casement window.
[0003] The traditional slide support hinge structure is generally composed of a bottom plate, a short arm, a middle arm, a long arm, a supporting arm and a sliding block, and still has some problems in use, for example, the traditional slide support hinge has poor wind resistance, when the casement window is opened to the maximum angle and cannot be unfolded any more, the external wind flow contacts the casement window, the casement window is subjected to the continuous blowing force of the wind flow, the continuous force is finally transmitted to the slide support hinge, the slide support hinge is abraded or deformed, the normal use of the slide support hinge is affected, and the traditional slide support hinge generally has a groove on the bottom plate for the movement of the sliding block, and sand and dust easily enter the groove during long-term use, the sand and dust increase the resistance of the casement window to open and close, and the opening and closing is not smooth. SUMMARY
[0004] The utility model discloses a heavy -duty dustproof hinge to solve the problems in the above background.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: including bottom plate and the supporting arm for the window installation, the middle segment at the bottom of supporting arm is hinged with long arm through pin shaft, the top of bottom plate is connected with connecting gasket, the top of connecting gasket is provided with short arm and middle arm, and short arm and middle arm all are hinged with bottom plate through pin shaft, short arm is hinged with supporting arm through pin shaft, middle arm is hinged with long arm through pin shaft, the bottom of supporting arm is pressed into four square rivets,
[0006] The top of bottom plate is equipped with sliding channel, the top of sliding channel is provided with sliding piece, the bottom of sliding piece is equipped with two stop surfaces for the sliding clamping of bottom plate side wall, the bottom of sliding channel is provided with friction pad piece hinged with long arm through pin shaft, the top of sliding piece is provided with bolt.
[0007] In further embodiments, the short arm is arc-shaped at one end of the top of the connecting gasket, and the arc-shaped surface of the short arm is connected to the side surface of the short arm at an angle limiting inclined surface.
[0008] In further embodiments, the middle arm is arc-shaped at one end of the top of the connecting gasket, and the arc-shaped surface of the middle arm is connected to the side surface of the middle arm at an angle limiting inclined surface.
[0009] In further embodiments, the sliding piece is provided with a protruding part on the top surface of the cuboid.
[0010] In further embodiments, the bottom of the sliding piece is provided with a boss in sliding connection with the sliding groove.
[0011] In further embodiments, the bolt is in threaded connection with the sliding piece, the boss and the friction washer in sequence.
[0012] In further embodiments, an angle cover is riveted to one end of the bottom plate on the top surface of the bottom plate.
[0013] In further embodiments, a rotating piece is arranged at each end of the bottom plate on the bottom surface of the bottom plate, and an internal hexagonal rivet in rotational connection with the bottom plate is fixed inside the rotating piece.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The utility model discloses a four-square rivet is riveted to the bottom of the supporting arm, when the sliding support hinge is opened to the maximum extent, the angle-limiting inclined surface on the short arm and the angle-limiting inclined surface on the middle arm are in contact and are clamped to each other, the four-square rivet is in contact with the long arm and forms the blocking of the long arm, realizes secondary wind-resistant structure, makes the continuous force act on the four-square rivet and the angle-limiting inclined surface on the short arm and the angle-limiting inclined surface on the middle arm, improves the wind-resistant performance, avoids that the sliding support hinge is deformed and damaged.
[0016] 2. The utility model discloses a cuboid sliding piece, and the bottom of the cuboid is provided with a stop surface for sliding and clamping with the side wall of the bottom plate, which can clamp the sliding piece on the surface of the bottom plate for dust prevention of the bottom plate, and also can avoid the groove for sliding and limiting of the sliding piece on the bottom plate, avoid the entry of external dust, and prevent the sliding from being blocked, to ensure the smoothness of opening and closing. DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the utility model embodiment;
[0018] Figure 2 It is an overall structural explosion diagram of the utility model embodiment;
[0019] Figure 3 It is an overall structural bottom view of the utility model embodiment;
[0020] Figure 4 It is a structural bottom view of the sliding piece of the utility model embodiment.
[0021] In the figure: 1, bottom plate; 2, support arm; 3, long arm; 4, connecting gasket; 5, short arm; 6, middle arm; 7, square rivet; 8, sliding channel; 9, sliding piece; 10, friction gasket; 11, bolt; 12, boss; 13, corner wrap; 14, rotary piece; 15, hex rivet. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Embodiment 1
[0024] Please refer to Figure 1 , Figure 2 and Figure 3 , a heavy dustproof hinge, comprising a bottom plate 1 and a support arm 2 for window installation, the middle section of the bottom of the support arm 2 is hinged with a long arm 3 through a pin shaft, the top of the bottom plate 1 is clamped with a connecting gasket 4, the top of the connecting gasket 4 is provided with a short arm 5 and a middle arm 6, and the short arm 5 and the middle arm 6 are both hinged with the bottom plate 1 through a pin shaft, the short arm 5 is hinged with the support arm 2 through a pin shaft, the middle arm 6 is hinged with the long arm 3 through a pin shaft, and the bottom of the support arm 2 is riveted with a square rivet 7. In the embodiment, the sliding support hinge comprises the bottom plate 1 and the support arm 2, the bottom plate 1 is clamped with the connecting gasket 4 for reinforcing the strength of the bottom plate 1, and the top of the connecting gasket 4 is provided with the short arm 5 and the middle arm 6 hinged with the bottom plate 1 through a pin shaft, one end of the short arm 5 is hinged with the support arm 2 through a pin shaft, and a gasket is sleeved on the pin shaft between the short arm 5 and the support arm 2, the support arm 2 and the long arm 3 are hinged through a pin shaft, and a gasket is sleeved on the pin shaft between the support arm 2 and the long arm 3, the other end of the long arm 3 is arranged on the top of the sliding piece 9 and contacts the sliding piece 9, one end of the middle arm 6 is hinged with the middle section of the bottom of the long arm 3 through a pin shaft, and a gasket is sleeved on the pin shaft, after the combination of the bottom plate 1, the short arm 5, the middle arm 6, the long arm 3, the support arm 2 and the sliding piece 9, the short arm 5, the middle arm 6 and the long arm 3 are used for connecting the bottom plate 1 and the support arm 2, and the support arm 2 is supported and the angle is adjusted in linkage, so as to realize the opening and closing of the casement window, in the opening process of the support arm 2, the movement tracks of the short arm 5 and the middle arm 6 are opposite, after the support arm 2 is opened to the maximum, the short arm 5 and the middle arm 6 are limited mutually, the square rivet 7 and the long arm 3 are limited mutually, and the purpose of wind resistance is realized.
[0025] Specifically, when the bottom plate 1 is fixed inside the aluminum profile of the window frame, the casement window is fixed on the support arm 2, and the casement window is opened, the angle between the casement window and the support arm 2 is adjusted, and when the angle of the support arm 2 is adjusted, the movement drives the linkage movement of the short arm 5 and the long arm 3, the long arm 3 drives the linkage movement of the middle arm 6, the short arm 5 and the middle arm 6 present opposite movement trajectories, the angle limiting inclined surface on the short arm 5 and the angle limiting inclined surface on the middle arm 6 are in contact with each other and are clamped, and the four square rivets 7 at the bottom of the support arm 2 are in contact with the long arm 3 after clamping, both of which limit the maximum opening angle of the support arm 2, so that the continuous force acts on the four square rivets 7, the angle limiting inclined surface on the short arm 5 and the angle limiting inclined surface on the middle arm 6, avoiding that the continuous force is finally transmitted to the stay hinge, causing wear or deformation of the stay hinge, and affecting the normal use of the stay hinge.
[0026] The top of the bottom plate 1 is provided with a sliding channel 8, the top of the sliding channel 8 is provided with a sliding piece 9, the bottom of the sliding piece 9 is provided with two stop surfaces for sliding and clamping the side wall of the bottom plate 1, the bottom of the sliding channel 8 is provided with a friction pad 10 hinged with the long arm 3 through a pin shaft, and the top of the sliding piece 9 is provided with a bolt 11. Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The sliding piece 9 is a cuboid, the sliding piece 9 of the cuboid is located at the top of the bottom plate 1, and the two stop surfaces at the bottom of the sliding piece 9 and the side wall of the bottom plate 1 are slidingly clamped, so that the sliding piece 9 can be guided when the long arm 3 moves with the opening and closing of the support arm 2, the boss 12 at the bottom of the sliding piece 9 is located inside the sliding channel 8, and the boss 12 cooperates with the sliding channel 8 to limit the movement trajectory, further limiting the sliding of the sliding piece 9, and the bottom of the bottom plate 1 and directly below the boss 12 are provided with the friction pad 10 and limited by the bolt 11, which can prevent the friction pad 10 from separating from the boss 12, and the friction pad 10 limits the sliding piece 9 and the boss 12 to prevent the sliding piece 9 from separating from the bottom plate 1.
[0027] Specifically, the sliding piece 9 is a cuboid, and the bottom of the cuboid is provided with a stop surface for sliding and clamping the side wall of the bottom plate 1, the sliding piece 9 cooperates with the stop surface to cover the surface of the bottom plate 1, preventing dust from falling on the top of the bottom plate 1, and allowing the sliding piece 9 to be clamped on the surface of the bottom plate 1 for dust prevention of the bottom plate 1, while avoiding the need to open a groove on the bottom plate 1 for sliding and limiting the sliding piece 9, avoiding external dust from entering and causing sliding obstruction, and ensuring smooth opening and closing.
[0028] Further, one end of the bottom plate 1 and the top surface of the bottom plate 1 are riveted with an angle 13, as shown in Figure 1 and Figure 2 , for guiding the stay hinge when opening and closing, making the stay hinge move more smoothly.
[0029] And, the two ends of the bottom plate 1 and the bottom surface of the bottom plate 1 are provided with a rotating piece 14, the inside of the rotating piece 14 is fixedly connected with a hexagonal rivet 15 which is rotationally connected with the bottom plate 1, as shown in Figure 1 、 Figure 2 and Figure 3 The rotating piece 14 is first placed inside the aluminum profile of the window frame, the hexagonal rivet 15 is screwed to change the direction of the rotating piece 14, the rotating piece 14 is clamped with the aluminum profile of the window frame, the window will not fall in the case of loose screw, and the safety performance of the window is effectively improved.
[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A heavy-duty dust-proof hinge comprising a base plate (1) and a bracket arm (2) for window mounting, characterized in that: The long arm (3) is hinged at the middle section of the bottom of the supporting arm (2) by a pin shaft, the connecting gasket (4) is clamped at the top of the bottom plate (1), the short arm (5) and the middle arm (6) are arranged at the top of the connecting gasket (4), and the short arm (5) and the middle arm (6) are hinged with the bottom plate (1) by pin shafts, the short arm (5) is hinged with the supporting arm (2) by a pin shaft, the middle arm (6) is hinged with the long arm (3) by a pin shaft, and the bottom of the supporting arm (2) is pressed and riveted with a square rivet (7); The top of the bottom plate (1) is provided with a sliding channel (8), the top of the sliding channel (8) is provided with a sliding piece (9), the bottom of the sliding piece (9) is provided with two stop surfaces for sliding clamping the side walls of the bottom plate (1), the bottom of the sliding channel (8) is provided with a friction gasket (10) hinged with the long arm (3) by a pin shaft, and the top of the sliding piece (9) is provided with a bolt (11).
2. The heavy duty dust seal hinge of claim 1, wherein: The short arm (5) is provided with an arc-shaped surface at one end of the top of the connecting gasket (4), and the arc-shaped surface of the short arm (5) is provided with an angle-limited inclined surface at the connection with the side surface of the short arm (5).
3. A heavy duty dust resistant hinge according to claim 1, wherein: The middle arm (6) is provided with an arc-shaped surface at one end of the top of the connecting gasket (4), and the arc-shaped surface of the middle arm (6) is provided with an angle-limited inclined surface at the connection with the side surface of the middle arm (6).
4. A heavy duty dust resistant hinge according to claim 1, wherein: The sliding piece (9) is provided with a protruding portion, and the protruding portion is located on the top surface of the cuboid.
5. A heavy duty dust resistant hinge as claimed in claim 1, wherein: The bottom of the sliding piece (9) is provided with a boss (12), and the boss (12) is in sliding connection with the sliding channel (8).
6. A heavy duty dust resistant hinge according to claim 5, wherein: The bolt (11) is in threaded connection with the sliding piece (9), the boss (12) and the friction gasket (10) in sequence.
7. A heavy duty dust resistant hinge as claimed in claim 1 wherein: An angle cover (13) is riveted at one end of the bottom plate (1) and located on the top surface of the bottom plate (1).
8. A heavy duty dust resistant hinge according to claim 1, wherein: Both ends of the bottom plate (1) and located on the bottom surface of the bottom plate (1) are provided with rotary pieces (14), and the inner hexagonal rivets (15) in rotational connection with the bottom plate (1) are fixedly connected in the rotary pieces (14).