Handrail hinge with hovering function

Abstract

The present application relates to the technical field of handrail hinge, especially to a handrail hinge with hovering function, comprising an upper hinge support, a lower hinge support, a hinge shaft and a clasp spring; the lower hinge support comprises a horizontally arranged connecting frame and a vertically arranged supporting frame, two ends of the connecting frame are respectively integrally connected with upper ends of the supporting frame; the upper hinge support is arranged outside the supporting frame, the hinge shaft extends through the supporting frame and the upper hinge support in sequence and is fixed by the clasp spring. The handrail hinge is convenient to use, stable and reliable in structure, can improve the overall quality stability of the handrail hinge and meet the hovering function.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of handrail hinge, in particular to a handrail hinge with hovering function. BACKGROUND

[0002] Most of the car cab sub-instrument panel assembly with armrest, it is generally located in the rear of the sub-instrument panel assembly, used to put elbow, at the same time to achieve the storage function, is an important part of the car humanization design. In the prior art, the armrest generally has a rotating opening function, which is realized by a hinge structure. There are many types of hinge opening forms. One of the commonly used ways is to use a spring. However, there are only two positions of opening and closing, which cannot meet the requirement of stopping at any position.

[0003] Another way to realize the hovering locking of the armrest hinge is to use a spin riveting extrusion fixing. In this process, hovering failure is easy to occur. The force value can only be adjusted by the length of the spin riveting. It is troublesome to disassemble and assemble, is easy to damage, and cannot meet the increasing quality requirements.

[0004] Chinese patent CN 202782790 U discloses a new type of automobile sub-instrument panel armrest. It solves the problem that the automobile sub-instrument panel armrest in the prior art can only be opened and closed in two positions, which cannot meet the requirement of stopping at any position. It comprises a shaft, a screw and a hinge. The shaft is sleeved with a hovering mechanism. The hovering mechanism is installed on the hinge by the screw. The hovering mechanism is composed of a metal sheet and a nylon bushing. The nylon bushing is sleeved inside the metal sheet. The patent controls the armrest by cleverly locking through the shaft hole at the same time of fixing the armrest and the hinge, which not only ensures the installation, but also realizes the function. However, the hovering mechanism in the patent uses a metal sheet and a nylon bushing to play a damping role for hovering locking, which has a high manufacturing cost and a complex structure.

[0005] Chinese patent CN 105604424 B discloses a kind of automobile sub-instrument panel armrest hinge device with hovering function, comprising a rotating shaft and hinge connected on the rotating shaft, locking snap spring is sleeved on the rotating shaft, the locking snap spring is located at the two ends of the hinge, the locking snap spring is interference fit with the rotating shaft, the locking snap spring includes an outer ring and a clamping leg arranged on the inner side of the outer ring, the clamping leg is evenly arranged along the circumference of the outer ring, there is a gap between adjacent clamping legs, the outer end of the clamping leg is fixed on the inner side of the outer ring, the inner end of the clamping leg is an end for contacting with the rotating shaft, and the inner ends of all clamping legs form an inner ring. The device realizes the hovering function of the hinge. However, it still faces the problems of difficult force value adjustment of the fixing method, and difficult repair after disassembly and assembly. SUMMARY

[0006] In order to solve the above problems, the purpose of the present application is to provide a handrail hinge with hovering function.

[0007] The purpose of the present application can be realized by the following technical solutions:

[0008] The present application provides a handrail hinge with hovering function, comprising an upper hinge support, a lower hinge support, a hinge shaft and a clasp spring.

[0009] The lower hinge support comprises a horizontally arranged connecting frame and a vertically arranged supporting frame, and the two ends of the connecting frame are integrally connected with the upper end of the supporting frame, respectively.

[0010] The upper hinge support is arranged outside the supporting frame, the hinge shaft extends out of the supporting frame and the upper hinge support in sequence, and is fixed by the clasp spring.

[0011] In an embodiment of the present application, the connecting frame is located on the side close to the upper hinge support and is perpendicular to the upper hinge support.

[0012] In an embodiment of the present application, a gasket is arranged between the supporting frame and the upper hinge support.

[0013] In an embodiment of the present application, the gasket is a D-shaped POM gasket, which is provided with a T-shaped hole, including a third hole and a fourth hole; the inner diameter of the third hole is larger than that of the fourth hole.

[0014] In an embodiment of the present application, the third hole is located on the side of the D-shaped POM gasket close to the supporting frame.

[0015] The fourth hole is located on the side of the D-shaped POM gasket close to the upper hinge support.

[0016] In an embodiment of the present application, a first hole is arranged on the upper hinge support, and a second hole is arranged on the supporting frame.

[0017] In an embodiment of the present application, a shaft sleeve is arranged between the hinge shaft and the supporting frame.

[0018] In an embodiment of the present application, the shaft sleeve is a D-shaped opening shaft sleeve.

[0019] A metal opening shaft sleeve is arranged in the inner cavity of the D-shaped opening shaft sleeve, one end of the metal opening shaft sleeve is a circular end with an opening, and the other end is a D-shaped end with an opening; the outer diameter of the D-shaped end is smaller than that of the circular end.

[0020] In an embodiment of the present application, the D-shaped end is embedded in the second hole and the third hole in sequence; the outer diameter of the D-shaped end is the same as the inner diameter of the second hole and the third hole.

[0021] The hinge shaft extends out of the inner cavity of the metal opening shaft sleeve, the fourth hole and the first hole in sequence, and is connected with the clasp spring.

[0022] In one embodiment of the present application, the hinge shaft is connected to the upper bracket of the hinge at a position provided with straight knurling, and the outer surface of the side of the hinge shaft away from the lower bracket is provided with a clamping groove.

[0023] In one embodiment of the present application, the hinge shaft is connected to the upper bracket of the hinge in an interference fit.

[0024] In one embodiment of the present application, the clamping spring is trumpet-shaped and has eight clamping claws, one end of the clamping claws is connected to form a clamping end, and the other end is dispersed to form a dispersed end, the dispersed end is connected to the upper bracket of the hinge, and the clamping section is fixed in the clamping groove.

[0025] In one embodiment of the present application, the outer diameter of the dispersed end is greater than the outer diameter of the clamping section.

[0026] The present application changes the original hinge structure under the condition that the existing hinge is guaranteed to hover by screw riveting and extrusion, changes the traditional fastening method, cancels the riveting structure, and also guarantees that the handrail hinge has a hovering function, and improves the disassembly convenience of the parts in the assembly process. Based on the handrail hinge with hovering function provided by the present application, the quality requirements can be met.

[0027] Compared with the prior art, the present application has the following beneficial effects:

[0028] (1) The handrail hinge of the present application is ingenious in design and novel in design, compared with the existing riveting structure, the hinge force value of the handrail hinge is controllable, and only the interference amount of the metal split shaft sleeve and the hinge shaft needs to be adjusted;

[0029] (2) The handrail hinge of the present application can be made by mold plastic, stamping, machining, heat treatment and surface coating processing, and has low cost and easy manufacturing.

[0030] (3) The handrail hinge provided by the present application is convenient to use, stable and reliable in structure, can improve the overall quality stability of the handrail hinge, and meets the hovering function. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a schematic view of the overall structure of a handrail hinge with hovering function of the present application;

[0032] Figure 2 is a schematic view of the overall structure of a handrail hinge with hovering function of the present application;

[0033] Figure 3 is a side view of a handrail hinge with hovering function of the present application;

[0034] Figure 4Fig. 1 is a structural schematic view of a metal open shaft sleeve of a handrail hinge with hovering function according to the present application;

[0035] Fig. 1 is a structural schematic view of a metal open shaft sleeve of a handrail hinge with hovering function according to the present application; Fig. 1 is a structural schematic view of a metal open shaft sleeve of a handrail hinge with hovering function according to the present application; DETAILED DESCRIPTION

[0036] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0037] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the present embodiment, the terms "up", "down", "left", "right" and other orientation or position relationships are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0040] Embodiment 1

[0041] The present embodiment provides a handrail hinge with hovering function, as shown in Figures 1-4As shown, the hinge comprises an upper hinge support 1, a lower hinge support 2, a hinge shaft 3 and a clasp spring 6; the lower hinge support 2 comprises a horizontal connecting frame 201 and a vertical supporting frame 202, two ends of the connecting frame 201 are respectively integrally connected with upper ends of the supporting frame 202; the upper hinge support 1 is arranged outside the supporting frame 202, the hinge shaft 3 extends through the supporting frame 202 and the upper hinge support 1 in sequence and is fixed by the clasp spring 6.

[0042] Further, the connecting frame 201 is located at a side close to the upper hinge support 1 and is perpendicular to the upper hinge support 1; a gasket 5 is arranged between the supporting frame 202 and the upper hinge support 1, the gasket 5 is a D-shaped POM gasket 5, the D-shaped POM gasket is provided with T-shaped holes, including a third hole 501 and a fourth hole 502, the inner diameter of the third hole 501 is larger than that of the fourth hole 502; the third hole 501 is located at a side of the D-shaped POM gasket 5 close to the supporting frame 202; the fourth hole 502 is located at a side of the D-shaped POM gasket 5 close to the upper hinge support 1.

[0043] The upper hinge support 1 is provided with a first hole 101, and the supporting frame 202 is provided with a second hole 203; a shaft sleeve 4 is arranged between the hinge shaft 3 and the supporting frame 202, the shaft sleeve 4 is a D-shaped open shaft sleeve; a metal open shaft sleeve 401 is arranged in an inner cavity of the D-shaped open shaft sleeve, one end of the metal open shaft sleeve 401 is a circular end with an opening, the other end is a D-shaped end with an opening, the outer diameter of the D-shaped end is smaller than that of the circular end; the D-shaped end is embedded in the second hole 203 and the third hole 501 in sequence; the outer diameter of the D-shaped end is the same as the inner diameters of the second hole 203 and the third hole 501; the hinge shaft 3 extends through the inner cavity of the metal open shaft sleeve 401, the fourth hole 502 and the first hole 101 in sequence and is connected with the clasp spring 6.

[0044] The hinge shaft 3 is polished at the root of the cylinder, and a straight-line knurl is arranged at a position connected with the upper hinge support 1; a clamping groove 301 is arranged on an outer surface of a side of the hinge shaft 3 away from the lower support; the hinge shaft 3 is connected with the upper hinge support 1 in interference; the clasp spring 6 is trumpet-shaped and has eight clamping claws 601 connected at one end to form a clamping end and dispersed at the other end to form a dispersed end; the dispersed end is connected with the upper hinge support 1, and the clamping end is fixed in the clamping groove 301; the outer diameter of the dispersed end is larger than that of the clamping end.

[0045] Further, the hinge shaft 3 is heat treated to ensure that it reaches a certain strength; the metal open shaft sleeve 401 is embedded in the D-shaped POM shaft sleeve 4 by injection molding; the clasp spring 6 is heat treated to ensure that it reaches a certain strength.

[0046] When assembled, the metal open shaft sleeve 401 is inserted into the D-shaped POM sleeve 4 by injection molding, the D-shaped POM gasket 5 is placed between the hinge upper support 1 and the support frame 202, then the D-shaped open shaft sleeve is assembled into the second hole 203 and the third hole 501, the hinge shaft 3 is assembled into the inner cavity of the D-shaped open shaft sleeve and the D-shaped POM gasket 5 in sequence, the straight-line knurling position is pressed into the first hole 101 of the hinge upper support 1, and finally the snap spring 6 is sleeved on the hinge shaft 3 and is clamped by the clamping groove 301.

[0047] When used, the hinge shaft 3 and the D-shaped open shaft sleeve generate movement friction damping through interference fit, the straight-line knurling on the hinge shaft 3 and the first hole 101 generate interference fit, so that the hinge upper support 1 drives the hinge shaft 3 to link when moving; the snap spring 6 is installed in the clamping groove 301 to prevent the hinge upper support 1 from moving left and right or falling during movement; the handrail hinge of the embodiment has the advantages of simple structure, convenient disassembly and assembly, and reliable function; the handrail hinge of the embodiment is used on the center console handrail box to provide hovering function for the handrail box, and has stable structure, is convenient for production, and reduces cost.

[0048] The above description of the embodiments is for the purpose of facilitating understanding and use of the invention by those of ordinary skill in the art. Those skilled in the art can easily make various modifications to the embodiments, and apply the general principles described herein to other embodiments without creative labor. Therefore, the present application is not limited to the above embodiments, and improvements and modifications made by those skilled in the art according to the interpretation of the present application without departing from the scope of the present application should be within the protection scope of the present application.

Claims

1. A handrail hinge with hovering function, characterized in that, It comprises a hinge upper support (1), a hinge lower support (2), a hinge pivot (3) and a snap spring (6); The hinge lower support (2) comprises a horizontally arranged connecting frame (201) and a vertically arranged supporting frame (202), and the two ends of the connecting frame (201) are respectively integrally connected with the upper ends of the supporting frame (202); The hinge upper support (1) is arranged outside the supporting frame (202), the hinge pivot (3) extends out of the supporting frame (202) and the hinge upper support (1) in sequence and is fixed by the snap spring (6); the connecting frame (201) is located on the side close to the hinge upper support (1) and is perpendicular to the hinge upper support (1); The hinge pivot (3) is provided with a shaft sleeve (4) between the supporting frame (202); The shaft sleeve (4) is a D-shaped opening shaft sleeve; The inner cavity of the D-shaped opening shaft sleeve is provided with a metal opening shaft sleeve (401), one end of the metal opening shaft sleeve (401) is a circular end with an opening, and the other end is a D-shaped end with an opening; the outer diameter of the D-shaped end is smaller than that of the circular end; The D-shaped end is embedded in the second hole (203) and the third hole (501) in sequence; the outer diameter of the D-shaped end is the same as the inner diameter of the second hole (203) and the third hole (501); The hinge pivot (3) extends out of the inner cavity of the metal opening shaft sleeve (401), the fourth hole (502) and the first hole (101) in sequence and is connected with the snap spring (6); The position where the hinge pivot (3) is connected with the hinge upper support (1) is provided with straight-line knurling, and the outer surface of the side of the hinge pivot (3) away from the lower support is provided with a clamping groove (301); The snap spring (6) is trumpet-shaped and has a plurality of clamping claws (601), one end of the clamping claw (601) is connected to form a clamping end, and the other end is dispersed to form a dispersed end, the dispersed end is connected with the hinge upper support (1), and the clamping section is fixed in the clamping groove (301).

2. The handrail hinge with hovering function according to claim 1, characterized in that, The supporting frame (202) and the hinge upper support (1) are provided with a gasket (5).

3. A handrail hinge with hover function according to claim 2, characterized in that The gasket (5) is a D-shaped POM gasket, the D-shaped POM gasket is provided with a T-shaped hole, including a third hole (501) and a fourth hole (502); the inner diameter of the third hole (501) is greater than that of the fourth hole (502).

4. The handrail hinge with hovering function according to claim 3, characterized in that, The third hole (501) is located on the side of the D-shaped POM gasket close to the supporting frame (202); The fourth hole (502) is located on the side of the D-shaped POM gasket close to the hinge upper support (1).

5. A handrail hinge with hover function according to claim 4, characterized in that The hinge upper support (1) is provided with a first hole (101), and the supporting frame (202) is provided with a second hole (203).

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