CN210768293U - Hinge device with prolonged folding life - Google Patents

Abstract

The utility model discloses a hinge means with increase folding life-span relates to hinge technical field, including left hinge and right hinge, left side hinge one side is along the axle sleeve that takes shape, the pivot that takes shape in right hinge one side and with the axle sleeve rotation suit of left hinge in order to constitute the hinge main part, the axle sleeve corresponds the side by left hinge and follows protrusion shaping circle shape structure, and integrated into one piece has a plurality of perforation in the axle sleeve, and all alternate in every perforation and be fixed with the strengthening rib, many ditches have been seted up along self axial to the inner peripheral surface of axle sleeve, and all rotate through the mounting bracket in every ditch and be connected with the beam barrel, half outer peripheral face of beam barrel simultaneously explores the corresponding ditch and with the outer peripheral face rolling contact of pivot. This application reduces coefficient of friction between the two through changing into sliding contact force between original pivot and the axle sleeve rolling contact force between the two to can avoid pivot and axle sleeve to be in the state of wearing and tearing for a long time, so can improve the life of product, increase folding life-span.

Description

Hinge device with prolonged folding life

Technical Field

The utility model relates to a hinge technical field specifically is a hinge means with increase folding life-span.

Background

Hinges are mechanical devices used to connect two solid bodies and allow relative rotation between them. The hinge may be constructed of a movable component or may be constructed of a foldable material. The hinges are mainly arranged on doors and windows, and more hinges are arranged on cabinets and are mainly classified into stainless steel hinges and iron hinges according to materials; the hydraulic hinge (also called damping hinge) is also provided for people to enjoy better, and is characterized in that the hydraulic hinge has a buffering function when the cabinet door is closed, and the noise generated by collision between the cabinet door and the cabinet body when the cabinet door is closed is reduced to the greatest extent.

After long-term use, especially on often making the folding installed part of hinge, most hinge wearing and tearing are bigger, and the pivot causes the rotation deviation that the naked eye can't be perceived easily with the axle sleeve the small condition of shifting to appear easily, continues to use the back, makes the deviation bigger and bigger in a long time, causes the hinge turned angle all to appear the deviation, finally leads to the hinge to scrap, influences the actual production and uses.

Disclosure of Invention

An object of the utility model is to provide a hinge means with increase folding life to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a hinge means with increase folding life-span, includes left hinge and right hinge, left side hinge one side is along shaping axle sleeve, and the shaping pivot of right side hinge one side rotates the suit in order constituting the hinge main part with the axle sleeve of left hinge, and the both sides of hinge main part still are provided with the mounting hole that the symmetry set up, the axle sleeve corresponds the side by left hinge and follows protrusion fashioned circle shape structure, and integrated into one piece has a plurality of perforation in the axle sleeve, and fenestrate one end is in the opening terminal surface of axle sleeve, and the axis of fenestrate other end edge axle sleeve extends one side of hinge left, and a plurality of perforation are annular equidistance with the centre of a circle of axle sleeve and arrange, and all alternate in every perforation and be fixed with the strengthening.

As a further aspect of the present invention: the reinforcing rib is made of aluminum magnesium alloy or titanium nickel alloy.

As a further aspect of the present invention: many ditches have been seted up along self axial to the inner peripheral surface of axle sleeve, and many ditches extend along the axial of axle sleeve and are the annular equidistance with the centre of a circle of axle sleeve and arrange, and the equal fixedly connected with mounting bracket in bottom surface at every ditch both ends all is connected with the beam barrel through the pivot rotation on two mounting brackets of being in same ditch, and half outer peripheral face of beam barrel simultaneously stretches out the corresponding ditch and with the outer peripheral face rolling contact of pivot.

As a further aspect of the present invention: the inner peripheral surface of the shaft sleeve is provided with a plurality of screw holes which are uniformly distributed in an annular mode, the positioning screws are screwed into the screw holes so that the holding tube is fixedly attached to the inner peripheral surface of the shaft sleeve, the peripheral surface of one side, back to the shaft sleeve, of the holding tube is provided with a plurality of rolling grooves for rolling balls to be embedded in an annular mode at equal intervals, and the balls are in rolling contact with the outer peripheral surface of the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

the structure strength of the shaft sleeve is improved through the reinforcing ribs, and the reason is that the radial acting force of the corresponding rotating shaft borne by each shaft sleeve is increased through the plurality of reinforcing ribs which are arranged in an annular mode, so that the service life can be greatly prolonged, the safety of the hinge main body in the working and using process is ensured, the bending resistance and the deformation resistance of the shaft sleeve are improved, and the offset and dislocation condition of the shaft sleeve and the rotating shaft after long-term use is reduced to the maximum extent; and when the hinge main part is folded to make the pivot at the axle sleeve internal rotation, the beam barrel can rotate along with rolling, has played the effect to the pivot roll direction, still plays the beam barrel and for the coaxial supporting role of pivot, through changing into the rolling contact force between the two for sliding contact force between original pivot and the axle sleeve, reduces coefficient of friction between the two to can avoid pivot and axle sleeve to be in the state of wearing and tearing for a long time, so can improve the life of product, increase folding life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an installation schematic diagram of the central spindle of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

As shown in the figure: the hinge comprises a left hinge 1, a right hinge 2, a rotating shaft 3, a shaft sleeve 4, a mounting frame 5, a shaft pin 6, a reinforcing rib 7, a shaft roller 8, a groove 9, a retaining pipe 10, a rolling groove 11, a rolling ball 12, a positioning screw 13 and a screw hole 14.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

In a first embodiment, please refer to fig. 1 to 2, a hinge device with a prolonged folding life includes a left hinge 1 and a right hinge 2, wherein a shaft sleeve 4 is formed along one side of the left hinge 1, a rotating shaft 3 is formed along one side of the right hinge 2 and is rotatably sleeved with the shaft sleeve 4 of the left hinge 1 to form a hinge main body, and two sides of the hinge main body are further provided with symmetrically arranged mounting holes.

Axle sleeve 4 is by the 1 corresponding side of left hinge along protrusion fashioned circle shape structure, and integrated into one piece has a plurality of perforation in the axle sleeve 4, fenestrate one end is in axle sleeve 4's opening terminal surface, and the fenestrate other end extends along axle sleeve 4's axis one side of hinge 1 left, a plurality of perforation are annular equidistance with the centre of a circle of axle sleeve 4 and arrange, and all alternate in every perforation and be fixed with strengthening rib 7, the structural strength of axle sleeve 4 has been improved through strengthening rib 7, the reason is, strengthening rib 7 arranged through many rings has increased the radial effort that corresponds pivot 3 of bearing of every axle sleeve 4, and then can prolong life greatly, guarantee the security in the hinge main part work use.

Furthermore, the reinforcing ribs 7 are made of aluminum magnesium alloy or titanium nickel alloy, so that the bending resistance and the deformation resistance of the shaft sleeve 4 are improved, and the offset and dislocation conditions of the shaft sleeve 4 and the rotating shaft 3 after long-term use are reduced to the maximum extent.

Furthermore, the inner peripheral surface of the shaft sleeve 4 is provided with a plurality of grooves 9 along the self axial direction, the plurality of grooves 9 extend along the axial direction of the shaft sleeve 4 and are annularly and equidistantly arranged with the center of the shaft sleeve 4, the bottom surfaces of two ends of each groove 9 are fixedly connected with mounting frames 5, two mounting frames 5 positioned in the same groove 9 are rotatably connected with shaft rollers 8 through shaft pins 6, meanwhile, the outer peripheral surfaces of half parts of the shaft rollers 8 extend out of the corresponding grooves 9 and are in rolling contact with the outer peripheral surface of the rotating shaft 3, so that when the rotating shaft 3 rotates in the shaft sleeve 4, the shaft rollers 8 can rotate along with the rolling, the rolling guide effect on the rotating shaft 3 is realized, the coaxial supporting effect of the shaft rollers 8 relative to the rotating shaft 3 is also realized, the sliding contact force between the original rotating shaft 3 and the shaft sleeve 4 is converted into the rolling contact force between the two, the friction coefficient between the two is reduced, and the rotating shaft 3, therefore, the service life of the product can be prolonged, and the folding life can be prolonged.

In the second embodiment, referring to fig. 3, the following technical features are added to the first embodiment:

the inner peripheral surface of the shaft sleeve 4 is provided with a plurality of screw holes 14 which are uniformly distributed in an annular manner, the positioning screws 13 are screwed into the screw holes 14 so as to fixedly attach the holding tube 10 to the inner peripheral surface of the shaft sleeve 4, the side peripheral surface of the holding tube 10, which is back to the shaft sleeve 4, is provided with a plurality of rolling grooves 11 which are used for rolling and embedding the balls 12 in an annular manner at equal intervals, and the balls 12 are in rolling contact with the outer peripheral surface of the rotating shaft 3, so that the same using effect as that of the shaft.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (4)

1. A hinge device with prolonged folding life comprises a left hinge (1) and a right hinge (2), one side of the left hinge (1) is provided with a shaft sleeve (4) formed along the edge, the rotating shaft (3) formed on one side of the right hinge (2) is rotatably sleeved with the shaft sleeve (4) of the left hinge (1) to form a hinge main body, and two sides of the hinge main body are also provided with symmetrically arranged mounting holes, it is characterized in that the shaft sleeve (4) is a ring-shaped structure which is formed by the corresponding side edge of the left hinge (1) in a protruding way, a plurality of through holes are integrally formed in the shaft sleeve (4), one end of each through hole is positioned on the opening end surface of the shaft sleeve (4), and the other end of the through hole extends towards one side of the left hinge (1) along the axis of the shaft sleeve (4), the through holes are distributed in an annular equidistant mode with the circle center of the shaft sleeve (4), and reinforcing ribs (7) are fixedly inserted into each through hole.

2. Hinge device with increased folding life according to claim 1, characterized in that the reinforcement (7) is made of al-mg alloy or ti-ni alloy.

3. The hinge device with the prolonged folding life as claimed in any one of claims 1 to 2, wherein a plurality of grooves (9) are axially formed in the inner circumferential surface of the shaft sleeve (4), the grooves (9) extend in the axial direction of the shaft sleeve (4) and are arranged in an annular and equidistant manner with the center of the shaft sleeve (4), the bottom surfaces of the two ends of each groove (9) are fixedly connected with the mounting frames (5), the two mounting frames (5) in the same groove (9) are rotatably connected with the shaft roller (8) through the shaft pin (6), and the outer circumferential surfaces of the half portions of the shaft roller (8) extend out of the corresponding grooves (9) and are in rolling contact with the outer circumferential surface of the rotating shaft (3).

4. The hinge device with the function of prolonging the folding life according to any one of claims 1 to 2, wherein the inner peripheral surface of the shaft sleeve (4) is provided with a plurality of screw holes (14) which are uniformly distributed in an annular manner, the positioning screws (13) are screwed into the screw holes (14) to fix the holding tube (10) to the inner peripheral surface of the shaft sleeve (4), a plurality of rolling grooves (11) for rolling and embedding the balls (12) are annularly formed in the side peripheral surface of the holding tube (10) which is back to the shaft sleeve (4) in an equidistant manner, and the balls (12) are in rolling contact with the outer peripheral surface of the rotating shaft (3).

Images