CN222457136U - Adjustable hinge capable of being stopped at will - Google Patents

Abstract

The utility model provides an optional stop adjustable hinge which comprises a first connecting arm, a second connecting arm, an elastic piece, a first gasket, a second gasket and a pivot, wherein a first pivot hole is formed in the end part of the first connecting arm, a second pivot hole is formed in the end part of the second connecting arm, a third pivot hole is formed in the first gasket, a fourth pivot hole is formed in the second gasket, the pivot comprises a stop part, a threaded part and a rotating part, the rotating part is of a polygonal structure, an arc transition structure is arranged between adjacent edges, the second pivot hole, the third pivot hole and the fourth pivot hole are of a polygonal structure matched with the rotating part, the second connecting arm, the first gasket and the second gasket are kept at an axle center to be not rotated when the hinge rotates, the first connecting arm can rotate on the rotating part, the first gasket and the second gasket can only rotate with the first connecting arm in a friction mode, and consistency of friction force of the hinge in the using process is ensured.

Description

Adjustable hinge capable of being stopped at will

Technical Field

The utility model relates to the field of hinges, in particular to an adjustable hinge capable of being stopped at will.

Background

Hinges are widely used, and are commonly used in doors, windows and cabinets. The existing hinges can only realize the door opening and closing function basically, the door cannot be fixed at a certain position according to the requirement of the door opening angle, and in some special places, the door needs to be fixedly opened to different angles, so that the directional hinges capable of hovering at any angle are required in the market at present.

The inventor discloses a directional hinge structure capable of hovering at any angle with the bulletin number of CN218953075U in 2023 month 2, and solves the problems to a certain extent, by respectively installing a first copper sheet and a second copper sheet on two sides of the head end of a first connecting arm, fully utilizing the characteristics of the copper sheets, reducing the contact between the two connecting arms and other parts, guaranteeing the friction force and reducing the abrasion at the same time, and in the practical use process, the first copper sheet and the second copper sheet serving as gaskets rotate along the connecting arms due to surface roughness at the initial stage of the structure, so that the gaskets and the elastic sheets rotate in a friction way, and after long-term use, the friction force is greatly different from the friction force due to the instability, so that the random stopping function of the hinge is affected.

Disclosure of utility model

In order to solve the above problems, the present utility model provides an optional stop adjustable hinge, which comprises a first connecting arm, a second connecting arm, an elastic member, a first gasket, a second gasket and a pivot, wherein the pivot sequentially penetrates through the second connecting arm, the second gasket, the first connecting arm, the first gasket and the elastic member, and the first connecting arm and the second connecting arm are mutually pre-positioned by the elastic pre-tightening force of the elastic member, and is characterized in that: the end of the first connecting arm is provided with a first pivot hole, the end of the second connecting arm is provided with a second pivot hole, the first gasket is provided with a third pivot hole, the second gasket is provided with a fourth pivot hole, the pivot comprises a stop part, a thread part and a rotating part arranged between the stop part and the thread part, the stop part is arranged on one side, far away from the second connecting arm, of the second connecting arm, the section of the rotating part is of a polygonal structure, an arc transition structure is arranged between adjacent edges, the first pivot hole is of a circular structure and is matched with the arc transition structure of the rotating part, the first connecting arm is enabled to be arranged on the rotating part in a rotating mode, the second pivot hole, the third pivot hole and the fourth pivot hole are matched with the polygonal structure of the rotating part, a nut is arranged on the thread part, and the nut is in butt with the elastic piece.

Further, the elastic piece is an elastic piece group formed by stacking 2 dish-shaped elastic pieces.

Further, two end faces of the first gasket and the second gasket are of grid structures, so that a plurality of chip collecting grooves are formed on the end faces of the first gasket and the second gasket.

Compared with the prior art, the hinge has the beneficial effects that the rotating part of the pivot is of a polygonal structure, the arc transition structure is arranged between the adjacent sides, the second pivot hole of the second connecting arm, the third pivot hole of the first gasket and the fourth pivot hole of the second gasket are of polygonal structures matched with the rotating part, so that the second connecting arm, the first gasket and the second gasket are kept at the same axis and are of a circular structure when the hinge rotates, and are matched with the arc transition structure in the polygonal structure of the rotating part, the first connecting arm can rotate on the rotating part under the condition that the second connecting arm, the first gasket and the second gasket are kept unchanged in the rotation of the hinge, and the first gasket and the second gasket can only rotate with friction between the first connecting arm, so that the consistency of friction force of the hinge in the use process is ensured.

Drawings

Fig. 1 is a schematic view of the structure of the present utility model in a closed state.

Fig. 2 is a schematic cross-sectional view of the present utility model in a closed state.

Fig. 3 is a schematic view of the structure of the open state of the present utility model.

Fig. 4 is a schematic diagram of an exploded construction of the present utility model.

In the drawing, a first connecting arm 10, a first pivot hole 101, a second connecting arm 20, a second pivot hole 201, an elastic member 30, a dish-shaped elastic piece 301, a first spacer 40, a third pivot hole 401, a second spacer 50, a fourth pivot hole 501, a pivot 60, a stop portion 601, a threaded portion 602, a rotating portion 603, and a nut 70 are shown.

Detailed Description

Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the invention is susceptible of embodiment in the drawings, it is to be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the invention. It should be understood that the drawings and embodiments of the invention are for illustration purposes only and are not intended to limit the scope of the present invention.

It should be understood that the various steps recited in the method embodiments of the present invention may be performed in a different order and/or performed in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the invention is not limited in this respect.

The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "coupled" may be either directly or indirectly through intervening components (elements). The term "one embodiment" means "at least one embodiment," another embodiment "means" at least one additional embodiment, "and" some embodiments "means" at least some embodiments. Related definitions of other terms will be given in the description below.

It should be noted that the terms "first," "second," and the like herein are merely used for distinguishing between devices, modules, or units and not necessarily for defining the order in which such devices, modules, or units perform their functions or are interdependent.

Referring to fig. 1 to 4, an optional stop-free adjustable hinge comprises a first connecting arm 10, a second connecting arm 20, an elastic member 30, a first gasket 40, a second gasket 50 and a pivot 60, wherein the pivot 60 sequentially penetrates through the second connecting arm 20, the second gasket 50, the first connecting arm 10, the first gasket 40 and the elastic member 30, the first connecting arm 10 and the second connecting arm 20 are mutually pre-positioned through elastic pre-tightening force of the elastic member 30, a first pivot hole 101 is formed in the end portion of the first connecting arm 10, a second pivot hole 201 is formed in the end portion of the second connecting arm 20, a third pivot hole 401 is formed in the first gasket 40, and a fourth pivot hole 501 is formed in the second gasket 50.

It should be understood that the pivot 60 includes a stop portion 601, a threaded portion 602, and a rotating portion 603 disposed between the stop portion 601 and the threaded portion 602, the stop portion 601 is disposed on a side of the second connecting arm 20 away from the second connecting arm 20, the cross section of the rotating portion 603 is in a polygonal structure, and an arc transition structure is disposed between adjacent sides, the first pivot hole 101 is in a circular structure and is adapted to the arc transition structure of the rotating portion 603, so that the first connecting arm 10 is rotatably disposed on the rotating portion 603, the second pivot hole 201 of the second connecting arm 20, the third pivot hole 401 of the first spacer 40, and the fourth pivot hole 501 of the second spacer 50 are also in a polygonal structure and are consistent to the polygonal structure of the rotating portion 603, and the two polygonal structures are adapted to achieve limiting.

In the assembly, the rotating portion 603 of the pivot 60 sequentially passes through the second connecting arm 20, the second spacer 50, the first connecting arm 10, the first spacer 40 and the elastic member 30, and then the nut 70 is screwed on the threaded portion 602 at the tail end, so that the nut 70 is abutted against the elastic member 30, and an elastic pre-tightening force is generated between the first connecting arm 10 and the second connecting arm 20, and in addition, the compressive elastic force of the elastic member 30 can be controlled by twisting the position of the nut 70, so that the rotational elastic force between the first connecting arm 10 and the second connecting arm 20 can be adjusted.

In use, the second connecting arm 20, the first gasket 40 and the second gasket 50 are kept at an axle center and do not rotate when the hinge rotates, the first pivot hole 101 of the first connecting arm 10 is in a circular structure and is matched with an arc transition structure in the polygonal structure of the rotating part 603, and the first connecting arm 10 can rotate on the rotating part 603 under the condition that the second connecting arm 20, the first gasket 40 and the second gasket 50 are kept unchanged when the hinge rotates, so that the first gasket 40 and the second gasket 50 can only rotate with the first connecting arm 10 in a friction way, and the consistency of friction force of the hinge in use is ensured.

Specifically, the elastic member 30 is a spring assembly formed by stacking 2 disc-shaped spring plates 301, and in addition, the elastic member 30 may be another elastic member such as a spring.

Specifically, by arranging the two end surfaces of the first gasket 40 and the second gasket 50 as a grid structure, the friction force between the first connecting arm 10 and the first gasket 40 and the second gasket 50 is increased, and the grid structure can be suitable for products with larger force requirements, and the grid structure enables a plurality of grooves on the end surfaces of the first gasket 40 and the second gasket 50, wherein the grooves can be used for collecting metal scraps generated by friction rotation of the first connecting arm 10 and the first gasket 40 and the second gasket 50, and the grooves can be used as scrap collecting grooves.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (3)

1. A hinge with adjustable stop function, comprising a first connecting arm (10), a second connecting arm (20), an elastic member (30), a first gasket (40), a second gasket (50) and a pivot (60), wherein the pivot (60) sequentially passes through the second connecting arm (20), the second gasket (50), the first connecting arm (10), the first gasket (40) and the elastic member (30), and the first connecting arm (10) and the second connecting arm (20) are mutually pre-positioned by the elastic pre-tightening force of the elastic member (30); characterized in that: a first pivot hole (101) is provided at an end of the first connecting arm (10), a second pivot hole (201) is provided at an end of the second connecting arm (20), a third pivot hole (401) is provided on the first gasket (40), a fourth pivot hole (501) is provided on the second gasket (50), and the pivot (6 0) comprises a stopper (601), a threaded portion (602) and a rotating portion (603) arranged between the stopper (601) and the threaded portion (602), wherein the stopper (601) is arranged on a side of the second connecting arm (20) away from the second connecting arm (20), the rotating portion (603) has a polygonal structure in cross section, and an arc transition structure is formed between adjacent sides, the first pivot hole (101) is a circular structure, which is adapted to the arc transition structure of the rotating portion (603), so that the first connecting arm (10) is rotatably arranged on the rotating portion (603), the second pivot hole (201), the third pivot hole (401) and the fourth pivot hole (501) are adapted to the polygonal structure of the rotating portion (603), a nut (70) is arranged on the threaded portion (602), and the nut (70) abuts against the elastic member (30). 2. The hinge with adjustable stop function according to claim 1, characterized in that the elastic member (30) is a spring piece group formed by stacking two disc-shaped spring pieces (301). 3. A hinge with adjustable stop according to claim 1, characterized in that both end surfaces of the first gasket (40) and the second gasket (50) are grid structures, so that a plurality of chip collecting grooves are formed on the end surfaces of the first gasket (40) and the second gasket (50).