High-strength hinge structure

Abstract

The utility model relates to a high-strength hinge structure, and belongs to the technical field of hinge structures. Comprising a left connecting piece, a right connecting piece located on the right side of the left connecting piece, a hinging mechanism installed on the left connecting piece and the right connecting piece, a buffering mechanism installed on the front side of the right connecting piece and a plurality of installing holes formed in the left connecting piece and the right connecting piece. The hinge mechanism comprises two first bushings fixed to the right side of the left connecting piece. According to the high-strength hinge structure, extrusion force among the first lining, the second lining and the plug pin can be shared through extrusion between the first arc-shaped plate and the left connecting piece and extrusion between the second arc-shaped plate and the right connecting piece, so that abrasion among the first lining, the second lining and the plug pin is reduced, and the strength of the hinge structure is improved; the buffering mechanism is arranged on the front side of the right connecting piece, and the situation that the hinge structure is damaged due to excessive rotation between the left connecting piece and the right connecting piece can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge structure technical field, concretely is a kind of high-strength hinge structure. BACKGROUND

[0002] Hinge, also known as hinge, is used to connect two solids and allow the relative rotation between two, hinge is by movable component, or by foldable material, mainly installed on door and window, cabinet, hinge can be on surface powder spraying, galvanizing alloy, galvanized steel, sandblasting, plating chrome-zinc alloy, plating nickel steel, wire drawing and polishing etc., it is mainly divided into stainless steel hinge, iron hinge, hydraulic hinge according to material classification.

[0003] For example, China patent (CN206844907U) a kind of environment-friendly hinge, including first hinge, second hinge and hinge shaft, first hinge is equipped with first shaft sleeve, first hinge and first shaft sleeve are integral structure;Second hinge is equipped with second shaft sleeve, second hinge and second shaft sleeve are integral structure;First shaft sleeve and second shaft sleeve are staggered, the hinge shaft passes through first shaft sleeve and second shaft sleeve in turn, and the both ends of hinge shaft are located in the two first shaft sleeves of first hinge, the second hinge is rotatably connected with the first hinge;First hinge, second hinge, first shaft sleeve and second shaft sleeve are all provided with insulating anticorrosive layer;The utility model has the advantages of simple structure, convenient installation, integral casting, high strength, long service life etc.

[0004] The above scheme still has the following technical deficiencies, the above scheme is not convenient for improving the carrying capacity of hinge, the above scheme adopts the extrusion between shaft sleeve and hinge to bear load, while ensuring that hinge and shaft sleeve can rotate normally, so that loosening, wear and even fracture are prone to occur, based on this, a kind of high-strength hinge structure is presented. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of high-strength hinge structure, with the advantages of reducing the extrusion force between bolt and bushing, improving the structural strength of hinge, solve the problem that bolt and bushing are prone to wear when extruding each other.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high-strength hinge structure, including left connecting piece, right connecting piece located at the right side of the left connecting piece, hinge mechanism installed on the left connecting piece and right connecting piece, buffer mechanism installed on the front side of the right connecting piece and multiple mounting holes opened on the left connecting piece and right connecting piece;

[0007] The hinged mechanism comprises two first bushings fixed on the right side of the left connecting piece, first arc-shaped plates fixed on the outer surfaces of the first bushings, two second bushings fixed on the right side of the right connecting piece, second arc-shaped plates fixed on the outer surfaces of the second bushings, and a mounting assembly mounted in the interiors of the first bushings and the second bushings.

[0008] By adopting the technical scheme, the extrusion force between the bushings and the bolt can be reduced.

[0009] Further, the buffer mechanism comprises two fixed plates fixed on the front side of the right connecting piece, springs fixed on the front side of the fixed plates, buffer plates fixed on the front side of the springs, rubber pads fixed on the front side of the buffer plates, and limiting assemblies mounted on the rear side of the buffer plates.

[0010] By adopting the technical scheme, the relative rotation angle of the left connecting piece and the right connecting piece can be prevented from being too large to cause damage to the hinge.

[0011] Further, the mounting assembly comprises a bolt rotationally connected in the interiors of the two first bushings and the two second bushings, a lower baffle fixed on the bottom side of the bolt, a sleeve threadedly connected on the top side of the bolt, an upper baffle fixed on the top side of the sleeve, and a wear-resistant lubricating layer fixed on the bottom side of the sleeve and the top side of the lower baffle.

[0012] By adopting the technical scheme, the left connecting piece and the right connecting piece can be conveniently mounted together.

[0013] Further, the limiting assembly comprises two connecting rods fixed on the rear side of the buffer plates, and limiting blocks fixed on the sides of the connecting rods close to the corresponding sides of the fixed plates.

[0014] By adopting the technical scheme, the buffer plate can be limited.

[0015] Further, the interior of the right side of the left connecting piece is provided with two first notches, and the two first arc-shaped plates can slide in the first notches.

[0016] By adopting the technical scheme, the extrusion between the first arc-shaped plates and the left connecting piece reduces the extrusion force between the bolt and the first bushings.

[0017] Further, the interior of the left side of the right connecting piece is provided with two second notches, and the two second arc-shaped plates can slide in the second notches.

[0018] By adopting the technical scheme, the extrusion between the second arc-shaped plates and the left connecting piece reduces the extrusion force between the bolt and the second bushings.

[0019] Further, the top side of the bolt is provided with external threads, the interior of the sleeve is provided with internal threads, and the external threads are matched with the internal threads.

[0020] By adopting the technical scheme, the bolt is conveniently inserted into the first bushing and the second bushing.

[0021] Further, the inside of the fixing plate is provided with a moving groove, and the buffer plate and the rubber pad can move into the moving groove.

[0022] By adopting the technical scheme, the rubber pad is conveniently used for buffering.

[0023] Further, the upper and lower sides of the moving groove are provided with limiting grooves, and the two limiting blocks can slide in the corresponding limiting grooves.

[0024] By adopting the technical scheme, the buffer plate can be limited by the sliding of the limiting block in the limiting groove.

[0025] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0026] The high-strength hinge structure is provided with a hinge mechanism on the left connecting plate and the right connecting plate, can share the extrusion force between the first bushing, the second bushing and the bolt by extrusion between the first arc-shaped plate and the left connecting plate and extrusion between the second arc-shaped plate and the right connecting plate, thereby reducing the wear between the first bushing, the second bushing and the bolt, improving the strength of the hinge structure, and preventing the hinge structure from being damaged due to excessive rotation between the left connecting plate and the right connecting plate by providing the buffer mechanism on the front side of the right connecting plate. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural schematic view of the utility model;

[0028] Figure 2 It is a structural schematic view of the hinge mechanism of the utility model;

[0029] Figure 3 It is a structural schematic view of the utility model Figure 1 It is an enlarged structural schematic view of A in the utility model;

[0030] Figure 4 It is a three-dimensional schematic view of the first bushing connecting structure of the utility model;

[0031] Figure 5 It is a side view structural schematic view of the buffer mechanism of the utility model.

[0032] In the figure: 1, left connecting piece; 2, right connecting piece; 300, hinged mechanism; 301, first bushing; 302, first arc-shaped plate; 303, second bushing; 304, second arc-shaped plate; 305, bolt; 306, lower baffle; 307, sleeve; 308, upper baffle; 309, wear-resistant lubricating layer; 400, buffer mechanism; 401, fixed plate; 402, spring; 403, buffer plate; 404, rubber pad; 405, connecting rod; 406, limiting block; 5, mounting hole. DETAILED DESCRIPTION

[0033] 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 scope of protection of the utility model.

[0034] Please refer to Figures 1 to 5 The high-strength hinge structure in the embodiment comprises a left connecting piece 1, a right connecting piece 2 located at the right side of the left connecting piece 1, a hinged mechanism 300 mounted on the left connecting piece 1 and the right connecting piece 2, a buffer mechanism 400 mounted on the front side of the right connecting piece 2, and a plurality of mounting holes 5 opened on the left connecting piece 1 and the right connecting piece 2.

[0035] The hinged mechanism 300 in the embodiment is used for conveniently hinging the left connecting piece 1 and the right connecting piece 2, the buffer mechanism 400 is used for preventing the left connecting piece 1 and the right connecting piece 2 from excessively rotating and damaging the left hinge structure, and the mounting hole 5 is used for conveniently mounting the hinge structure.

[0036] Please refer to Figures 1 to 4 In order to increase the bearing strength of the hinge structure, the hinged mechanism 300 in the embodiment comprises two first bushings 301 fixed at the right side of the left connecting piece 1, a first arc-shaped plate 302 fixed on the outer surface of the first bushing 301, two second bushings 303 fixed at the right side of the right connecting piece 2, a second arc-shaped plate 304 fixed on the outer surface of the second bushing 303, and a mounting assembly mounted in the first bushing 301 and the second bushing 303, wherein the mounting assembly comprises a bolt 305 rotatably connected in the first bushing 301 and the second bushing 303, a lower baffle 306 fixed at the bottom side of the bolt 305, a sleeve 307 threadedly connected at the top side of the bolt 305, an upper baffle 308 fixed at the top side of the sleeve 307, and a wear-resistant lubricating layer 309 fixed at the bottom side of the sleeve 307 and the top side of the lower baffle 306.

[0037] The interior of the right side of the left connecting sheet 1 is internally provided with two first notches, two first arc-shaped plates 302 can slide in the first notches, the interior of the left side of the right connecting sheet 2 is internally provided with two second notches, two second arc-shaped plates 304 can slide in the second notches, the top side of the bolt 305 is internally provided with external threads, the interior of the sleeve 307 is internally provided with internal threads, and the external threads are matched with the internal threads.

[0038] It should be noted that the rotation and extrusion between the first arc-shaped plate 302 and the left connecting sheet 1 can alleviate the extrusion force between the first bushing 301 and the bolt 305, the rotation and extrusion between the second arc-shaped plate 304 and the right connecting sheet 2 can alleviate the extrusion force between the second bushing 303 and the bolt 305, and the wear-resistant lubricating layer 309 is used to reduce the wear between the lower baffle 306, the upper baffle 308 and the first bushing 301.

[0039] Please refer to Figure 1 and Figure 5 , in order to avoid excessive rotation between the left connecting sheet 1 and the right connecting sheet 2 causing damage to the hinge structure, the buffer mechanism 400 in the embodiment comprises two fixed plates 401 fixed on the front side of the right connecting sheet 2, springs 402 fixed on the front side of the fixed plates 401, buffer plates 403 fixed on the front side of the springs 402, rubber pads 404 fixed on the front side of the buffer plates 403 and limiting assemblies installed on the rear side of the buffer plates 403, the interior of the fixed plates 401 is internally provided with moving grooves, the buffer plates 403 and the rubber pads 404 can move into the moving grooves, the limiting assemblies comprise two connecting rods 405 fixed on the rear side of the buffer plates 403 and limiting blocks 406 fixed on the connecting rods 405 close to the corresponding side of the fixed plates 401, and the upper and lower sides of the moving grooves are internally provided with limiting grooves, and two limiting blocks 406 can slide in the corresponding limiting grooves.

[0040] The buffer mechanism 400 in the embodiment can drive the buffer plate 403 to move by extruding the rubber pad 404 with the left connecting sheet 1, and the spring 402 can be deformed to buffer the extrusion force.

[0041] It should be noted that the limiting blocks 406 can limit the buffer plate 403 by sliding in the limiting grooves, so as to avoid the buffer plate 403 from moving randomly under the extrusion of the left connecting sheet 1.

[0042] The working principle of the above embodiment is as follows:

[0043] When the hinge structure needs to be installed, the first arc-shaped plate 302 is inserted into the first gap, the second arc-shaped plate 304 is inserted into the second gap, the first bushing 301 and the second bushing 303 are aligned, then the bolt 305 is inserted into the first bushing 301 and the second bushing 303 from bottom to top, the sleeve 307 is screwed on the outer surface of the bolt 305, the installation of the hinge mechanism is completed, when the hinge structure is in normal use, the left connecting sheet 1 and the right connecting sheet 2 rotate relatively, the first arc-shaped plate 302 slides in the first gap, the second arc-shaped plate 304 slides in the second gap, the first bushing 301 is extruded and rotated between the wear-resistant lubricating layer 309 on the lower baffle 306 and the upper baffle 308, the first arc-shaped plate 302 and the second arc-shaped plate 304 share the extrusion force between the bolt 305 and the first bushing 301 and the second bushing 303, so as to improve the strength of the hinge; when the left connecting sheet 1 extrudes the rubber pad 404, the rubber pad 404 drives the buffer plate 403 to extrude the spring 402, the spring 402 is deformed to generate elastic force, the elastic force supports the rubber pad 404 and the left connecting sheet 1, so as to avoid excessive rotation of the left connecting sheet 1.

Claims

1. A high-strength hinge structure, characterized by comprising: It includes a left connecting piece (1), a right connecting piece (2) located to the right of the left connecting piece (1), a hinge mechanism (300) mounted on the left connecting piece (1) and the right connecting piece (2), a buffer mechanism (400) mounted on the front side of the right connecting piece (2), and a plurality of mounting holes (5) opened on the left connecting piece (1) and the right connecting piece (2). The hinge mechanism (300) includes two first bushings (301) fixed to the right side of the left connecting piece (1), a first arc plate (302) fixed to the outer surface of the first bushing (301), two second bushings (303) fixed to the right side of the right connecting piece (2), a second arc plate (304) fixed to the outer surface of the second bushing (303), and a mounting assembly installed inside the first bushing (301) and the second bushing (303).

2. A high-strength hinge structure according to claim 1, characterized in that: The buffer mechanism (400) includes two fixing plates (401) fixed to the front side of the right connecting piece (2), a spring (402) fixed to the front side of the fixing plate (401), a buffer plate (403) fixed to the front side of the spring (402), a rubber pad (404) fixed to the front side of the buffer plate (403), and a limiting assembly installed on the rear side of the buffer plate (403).

3. A high-strength hinge structure according to claim 1, wherein: The mounting assembly includes a pin (305) rotatably connected inside the two first bushings (301) and the two second bushings (303), a lower baffle (306) fixed to the bottom side of the pin (305), a sleeve (307) threaded to the top side of the pin (305), an upper baffle (308) fixed to the top side of the sleeve (307), and a wear-resistant lubricating layer (309) fixed to the bottom side of the sleeve (307) and the top side of the lower baffle (306).

4. A high-strength hinge structure according to claim 2, wherein: The limiting assembly includes two connecting rods (405) fixed to the rear side of the buffer plate (403) and a limiting block (406) fixed to the corresponding side of the connecting rods (405) near the fixed plate (401).

5. A high-strength hinge structure according to claim 1, wherein: The left connecting piece (1) has two first notches on its right side, and the two first arc-shaped plates (302) can slide within the first notches.

6. A high-strength hinge structure according to claim 1, wherein: The right connecting piece (2) has two second notches on its left side, and the two second arc-shaped plates (304) can slide within the second notches.

7. A high-strength hinge structure according to claim 3, wherein: The pin (305) has an external thread on its top side, and the sleeve (307) has an internal thread inside, with the external thread and the internal thread being compatible.

8. A high-strength hinge structure according to claim 4, wherein: The fixed plate (401) has a movable groove inside, and the buffer plate (403) and the rubber pad (404) can be moved into the movable groove.

9. A high-strength hinge structure according to claim 8, characterized in that: Limiting grooves are provided on both the upper and lower sides of the moving groove, and the two limiting blocks (406) can slide in the corresponding limiting grooves.

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