Rust-proof hinge for building door and window hardware

By setting up an anti-rust structure on the surface of the metal sleeve and metal blade portion of the hinge, and using a specific material coated sleeve and film, the problem of oxidation and corrosion of the hinge is solved and the service life is extended.

CN223075346UActive Publication Date: 2025-07-08YUNNAN HONGCHENG CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202421901906.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-07-08
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

Existing building doors and window hinges are prone to oxidation or rust due to wear of anti-oxidation electroplating layer after a long period of use, which affects its service life.

Method used

The anti-rust structure groove of the sleeve is provided on the surface of the metal shaft sleeve of the hinge and the anti-rust coating sleeve is pasted. At the same time, the anti-rust blade enclosure frame and covering film are provided on the surface of the metal blade part, and polyvinyl chloride and polyperfluoroethylene propylene materials are used to provide protection.

Benefits of technology

Effectively prevents wear on the hinge surface, avoids oxidation and rust, and extends the service life of the hinge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hardware, and discloses a rust-proof hinge for building door and window hardware, which comprises a pin shaft part, a hinge pin part and a hinge pin part, and the blade metal shaft sleeve is rotationally connected to the surface of the pin shaft part in a sleeving manner. According to the anti-rust hinge for the building door and window hardware, the shaft sleeve anti-rust structure groove is formed in the surface of the blade metal shaft sleeve, and then the shaft sleeve anti-rust rubber coating sleeve structure is arranged in a pasted mode to wrap the surface of the blade metal shaft sleeve, so that the surface of the blade metal shaft sleeve is not prone to abrasion of an electroplated oxide layer caused by external abrasion; the surface of the metal blade part is provided with an anti-rust blade glue surrounding frame and an anti-rust blade covering and blocking film, so that the surface of the metal blade part is protected by an anti-abrasion structure, the exposed part of the whole hinge is protected, the situation that the hinge is oxidized and even rusted in the later period of application is avoided, and the service life of the hinge is prolonged. And the long-term and reliable service life of the hinge is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of hardware, in particular to an anti-rust hinge for building door and window hardware. Background Art

[0002] The door and window hinge belongs to home decoration materials and is also a common hardware. The hinge is usually two-fold and consists of a pair of metal or non-metal blades connected by a pin. It is a component that connects two parts of an object and enables them to move.

[0003] Although the door and window hinges on the current market are widely treated with electroplating technology for rust prevention and oxidation prevention, their anti-oxidation electroplating layer is easily consumed under long-term abrasion, which is likely to cause oxidation and even rust in the later stage, thus being not conducive to ensuring the long-term reliable service life of the hinge. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an anti-rust hinge for building door and window hardware, which solves the problems put forward in the above background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An anti-rust hinge for building door and window hardware, comprising:

[0007] A pin shaft part, which acts as a central support for movement;

[0008] A blade metal bushing, which is rotatably sleeved on the surface of the pin shaft part;

[0009] A bushing anti-rust structure groove and a bushing anti-rust rubber sleeve, the bushing anti-rust structure groove is opened on the surface of the blade metal bushing, and the bushing anti-rust rubber sleeve is adhesively attached to the groove wall of the bushing anti-rust structure groove;

[0010] A metal blade part, which is fixedly installed at the bottom of the outer surface of the blade metal bushing;

[0011] An anti-rust blade surrounding rubber frame, which is adhesively bonded to the side edge of the metal blade part;

[0012] An anti-rust blade covering film and an assembly communication hole, the assembly communication hole runs through the top and bottom surfaces of the anti-rust blade covering film, and the anti-rust blade covering film is adhesively bonded to the top surfaces of the metal blade part and the anti-rust blade surrounding rubber frame.

[0013] Preferably, the pin shaft part includes a pin shaft rod body and a pin shaft end head, the pin shaft end head is fixedly installed at the end of the pin shaft rod body, and the diameter of the pin shaft end head is larger than that of the pin shaft rod body, and the blade metal bushing is rotatably sleeved on the surface of the pin shaft rod body.

[0014] Preferably, the metal blade part includes a blade material body and a mounting through-hole, the mounting through-hole is penetrated and opened on the plate surface of the blade material body, the blade material body is connected to the blade metal bushing, and the bottom surface of the blade material body is flush with the bottom surface of the blade metal bushing.

[0015] Preferably, the bushing rust-proof rubber sleeve is made of polyvinyl chloride material, and the bushing rust-proof structure groove is opened on the surface of the blade metal bushing that is not connected to the blade material body.

[0016] Preferably, both the rust-proof blade surrounding rubber frame and the rust-proof blade covering film are made of perfluoroethylene propylene material, and the rust-proof blade surrounding rubber frame is bonded to the three side edges of the metal blade part that are not connected to the blade metal bushing.

[0017] Preferably, the assembly communication hole is a circular through-hole, and the top opening of the assembly communication hole is larger than its bottom opening, and the bottom edge of the assembly communication hole coincides with the top edge of the mounting through-hole.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: for the rust-proof hinge for building door and window hardware, by opening a bushing rust-proof structure groove on the surface of the blade metal bushing, and then pasting and arranging a bushing rust-proof rubber sleeve structure to cover the surface of the blade metal bushing, it makes the surface of the blade metal bushing not easily worn due to external abrasion, resulting in the wear of the electroplated oxide layer. And by setting a rust-proof blade surrounding rubber frame and a rust-proof blade covering film on the surface of the metal blade part, the surface of the metal blade part is protected from abrasion, so that the exposed part of the entire hinge is protected, avoiding the situation of oxidation or even rusting in the later stage of hinge application, and ensuring the long-term reliable service life of the hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional view of the structure of the present utility model;

[0020] Figure 2 is a three-dimensional view of the pin part of the present utility model;

[0021] Figure 3 is a three-dimensional view of the dissection of the blade metal bushing of the present utility model;

[0022] Figure 4 is a three-dimensional view of the dissection of the partial structure of the present utility model.

[0023] In the figure: 1 pin part, 2 blade metal bushing, 3 bushing rust-proof structure groove, 4 bushing rust-proof rubber sleeve, 5 metal blade part, 6 rust-proof blade surrounding rubber frame, 7 rust-proof blade covering film, 8 assembly communication hole, 101 pin rod body, 102 pin end, 501 blade material body, 502 mounting through-hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Refer to Figures 1-4 , an anti-rust hinge for building door and window hardware, comprising:

[0026] A pin shaft part 1, and the pin shaft part 1 acts as an axis support for movement;

[0027] A blade metal bushing 2, and the blade metal bushing 2 is rotatably sleeved on the surface of the pin shaft part 1;

[0028] A bushing anti-rust structure groove 3 and a bushing anti-rust rubber sleeve 4, the bushing anti-rust structure groove 3 is opened on the surface of the blade metal bushing 2, and the bushing anti-rust rubber sleeve 4 is adhesively attached to the groove wall of the bushing anti-rust structure groove 3;

[0029] A metal blade part 5, and the metal blade part 5 is fixedly installed at the bottom of the outer surface of the blade metal bushing 2;

[0030] An anti-rust blade surrounding rubber frame 6, and the anti-rust blade surrounding rubber frame 6 is adhesively bonded to the side edge of the metal blade part 5;

[0031] An anti-rust blade covering and blocking film 7 and an assembly communication hole 8, the assembly communication hole 8 is opened through the top surface and the bottom surface of the anti-rust blade covering and blocking film 7, and the anti-rust blade covering and blocking film 7 is adhesively bonded to the top surfaces of the metal blade part 5 and the anti-rust blade surrounding rubber frame 6.

[0032] In the present utility model, the pin shaft part 1 includes a pin shaft rod body 101 and a pin shaft end head 102. The pin shaft end head 102 is fixedly installed at the end of the pin shaft rod body 101, and the diameter of the pin shaft end head 102 is larger than the diameter of the pin shaft rod body 101. The blade metal bushing 2 is rotatably sleeved on the surface of the pin shaft rod body 101;

[0033] More specifically, by setting the diameter of the pin shaft end head 102 to be larger than the diameter of the pin shaft rod body 101, the structure of the blade metal bushing 2 can be prevented from coming off, providing a limiting effect.

[0034] In the present utility model, the metal blade part 5 includes a blade material body 501 and an installation through hole 502. The installation through hole 502 is opened through the plate surface of the blade material body 501. The blade material body 501 is connected to the blade metal bushing 2, and the bottom surface of the blade material body 501 is flush with the bottom surface of the blade metal bushing 2;

[0035] More specifically, by arranging the bottom surface of the blade material body 501 to be flush with the bottom surface of the blade metal sleeve 2, the installation is more adaptable to most installation conditions and unstable installation is avoided.

[0036] In the utility model, the shaft sleeve anti-rust rubber sleeve 4 is made of polyvinyl chloride, and the shaft sleeve anti-rust structural groove 3 is opened on the surface of the blade metal shaft sleeve 2 where it is not connected to the blade material body 501;

[0037] More specifically, by arranging the position of the shaft sleeve anti-rust structure groove 3 to be staggered from the blade material body 501 , interference with the stability of the connection of the blade material body 501 is avoided.

[0038] In the utility model, the rust-proof blade surrounding rubber frame 6 and the rust-proof blade covering rubber sheet 7 are both made of polytetrafluoroethylene propylene material, and the rust-proof blade surrounding rubber frame 6 is bonded to the three sides of the metal blade part 5 that are not connected to the blade metal sleeve 2;

[0039] More specifically, the rust-proof blade surrounding rubber frame 6 is provided and bonded to the three sides of the metal blade part 5 that are not connected to the blade metal sleeve 2, so that the side edges of the metal blade part 5 are fully protected.

[0040] In the present invention, the assembly connecting hole 8 is a circular through hole, and the top opening of the assembly connecting hole 8 is larger than the bottom opening thereof, and the bottom edge of the assembly connecting hole 8 coincides with the top edge of the installation through hole 502;

[0041] More specifically, by setting the top opening of the assembly connecting hole 8 to be larger than the bottom opening, the bolts or screws can be easily aligned during assembly and can be easily observed during operation.

[0042] Working principle: a sleeve anti-rust structural groove 3 is opened on the surface of the blade metal sleeve 2, and then a sleeve anti-rust covering rubber sleeve 4 is arranged inside the sleeve anti-rust structural groove 3, so that the sleeve anti-rust covering rubber sleeve 4 provides anti-wear protection while its structure does not protrude from the surface of the blade metal sleeve 2, and can be well kept from falling off and avoid excessive wear and tear; an anti-rust blade surrounding rubber frame 6 and an anti-rust blade covering film 7 are arranged on the surface of the metal blade part 5, so that the anti-rust blade surrounding rubber frame 6 and the anti-rust blade covering film 7 can be attached to the exposed part of the metal blade part 5, so as to protect the part of the metal blade part 5 that may be subjected to external friction.

[0043] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0044] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-rust hinge for architectural door and window hardware, characterized in that, Comprising: A pin shaft part (1), and the pin shaft part (1) acts on the active axial center support; A blade metal bushing (2), and the blade metal bushing (2) is rotatably sleeved on the surface of the pin shaft part (1); A bushing anti-rust structure groove (3) and a bushing anti-rust rubber coating sleeve (4), the bushing anti-rust structure groove (3) is opened on the surface of the blade metal bushing (2), and the bushing anti-rust rubber coating sleeve (4) is adhesively attached to the groove wall of the bushing anti-rust structure groove (3); A metal blade part (5), and the metal blade part (5) is fixedly installed at the bottom of the outer surface of the blade metal bushing (2); An anti-rust blade surrounding rubber frame (6), and the anti-rust blade surrounding rubber frame (6) is adhesively bonded to the side edge of the metal blade part (5); An anti-rust blade covering and blocking film (7) and an assembly communication hole (8), the assembly communication hole (8) is opened through the top and bottom surfaces of the anti-rust blade covering and blocking film (7), and the anti-rust blade covering and blocking film (7) is adhesively bonded to the top surfaces of the metal blade part (5) and the anti-rust blade surrounding rubber frame (6).

2. The rust-proof hinge for building door and window hardware according to claim 1, characterized in that, The pin shaft part (1) includes a pin shaft rod body (101) and a pin shaft end head (102), the pin shaft end head (102) is fixedly installed at the end of the pin shaft rod body (101), and the diameter of the pin shaft end head (102) is larger than the diameter of the pin shaft rod body (101), and the blade metal bushing (2) is rotatably sleeved on the surface of the pin shaft rod body (101).

3. The rust-proof hinge for building door and window hardware according to claim 1, characterized in that, The metal blade part (5) includes a blade material body (501) and an installation through hole (502), the installation through hole (502) is opened through the plate surface of the blade material body (501), the blade material body (501) is connected to the blade metal bushing (2), and the bottom surface of the blade material body (501) is flush with the bottom surface of the blade metal bushing (2).

4. The rust-proof hinge for building door and window hardware according to claim 3, characterized in that, The bushing anti-rust rubber coating sleeve (4) is made of polyvinyl chloride material, and the bushing anti-rust structure groove (3) is opened at the surface of the blade metal bushing (2) that is not connected to the blade material body (501).

5. The rust-proof hinge for building door and window hardware according to claim 1, characterized in that, Both the anti-rust blade surrounding rubber frame (6) and the anti-rust blade covering and blocking film (7) are made of perfluoroethylenepropylene, and the anti-rust blade surrounding rubber frame (6) is adhesively bonded to the three side edges of the metal blade part (5) that are not connected to the blade metal bushing (2).

6. The rust-proof hinge for building door and window hardware according to claim 3, characterized in that The assembly communication hole (8) is a circular through hole, and the top opening of the assembly communication hole (8) is larger than its bottom opening, and the bottom edge of the assembly communication hole (8) coincides with the top edge of the installation through hole (502).