CN116146063A - Hinge structure - Google Patents

Hinge structure Download PDF

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Publication number
CN116146063A
CN116146063A CN202310120744.6A CN202310120744A CN116146063A CN 116146063 A CN116146063 A CN 116146063A CN 202310120744 A CN202310120744 A CN 202310120744A CN 116146063 A CN116146063 A CN 116146063A
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CN
China
Prior art keywords
connecting arm
hinged
arm
connecting rod
hinge shaft
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Pending
Application number
CN202310120744.6A
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Chinese (zh)
Inventor
邓志伟
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Wonly Security And Protection Technology Co ltd
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Wonly Security And Protection Technology Co ltd
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Application filed by Wonly Security And Protection Technology Co ltd filed Critical Wonly Security And Protection Technology Co ltd
Priority to CN202310120744.6A priority Critical patent/CN116146063A/en
Publication of CN116146063A publication Critical patent/CN116146063A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/02—Parts for attachment, e.g. flaps
    • E05D5/0276—Parts for attachment, e.g. flaps for attachment to cabinets or furniture, the hinge having two or more pins
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets
    • E05Y2900/21—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets for safety cabinets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)

Abstract

The invention provides a hinge structure, which comprises a first connector, a second connector and a jointing device, wherein the first connector is configured to be connected with a door frame; the second connector is configured to be connected with a door leaf; the joint device is connected between the first connector and the second connector; the jointing device comprises a first connecting arm and a second connecting arm, and the first connecting arm and the second connecting arm are connected between the first connecting body and the second connecting body; and be equipped with the groove of stepping down on the second linking arm, the first linking arm is located the inslot of stepping down, the groove of stepping down and first linking arm looks adaptation, along the first direction of first connector to the second connector, the groove of stepping down reduces gradually with first linking arm along the cross-sectional dimension of perpendicular first direction, uses the distribution of science to limited material, and then makes hinge structure can produce the biggest holding power.

Description

Hinge structure
Technical Field
The invention relates to the technical field of hinges, in particular to a hinge structure.
Background
The household articles such as cabinets, doors and windows in the market are generally provided with hinges, so that the household articles can be conveniently opened and closed.
The hidden hinge in the prior art comprises a first connector which is suitable for being embedded in a containing cavity formed in a side column of a door and used for being connected with the side column of the door, a second connector which is suitable for being embedded in a containing cavity formed in a fan blade of the door and used for being connected with a door leaf of the door, and a joint device which is used for connecting the first connector and the second connector with each other, wherein the joint device allows the first connector and the second connector to relatively move between relative positions of a closed state and an open state, so that the door leaf of the door can be closed and opened. The joint device comprises a first arm, a second arm, a first connecting rod and a second connecting rod, wherein one end of the first arm is hinged with the first connecting body, the other end of the first arm is hinged with one end of the first connecting rod, the other end of the first connecting rod is hinged with the second connecting body, one end of the second arm is hinged with the second connecting body, the other end of the second arm is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the first connecting body. The first arm is crossed with the second arm, and the first arm is hinged with the second arm through an intermediate hinge shaft at a proper crossing point. The first arm and the second arm hinged by the middle hinge shaft are matched with a first connecting rod and the second connecting body to form a four-bar mechanism, and the first arm and the second arm hinged by the middle hinge shaft are matched with a second connecting rod and the first connecting body to form another four-bar mechanism. The linkage of the two four-bar mechanisms limits the movement track between the first connecting body and the second connecting body, and ensures that the opening and closing of the two fan frames move in a preset track.
However, the first and second arms of the hidden hinge described above are each shaped to extend from the respective connector to the respective connecting rod in a substantially equal cross-sectional shape. When applied in the fields of safety doors, such as safes, the hinge needs to bear the weight of a heavy door leaf, and in the use process, the first arm and the second arm in the hinge can be easily deformed due to the action of the weight of the door leaf, so that the door leaf is deformed and sagged to influence the opening and closing of the door leaf.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is that the hidden hinge in the prior art needs to bear a heavy door leaf weight when applied to the fields of safety doors, such as safes, and the first arm and the second arm in the hinge deform due to the action of the door leaf weight during the use, so that the door leaf is deformed and sagged to affect the opening and closing of the door leaf.
To this end, the present invention provides a hinge structure comprising:
one end of the first connecting arm is hinged to the side column of the frame body, and the other end of the first connecting arm is hinged to the fan body;
one end of the second connecting arm is hinged to the fan body, and the other end of the second connecting arm is hinged to the side column of the frame body;
the accommodating cavity consists of grooves formed on the side column of the frame body and the fan body respectively, and in a closed state, the first connecting arm, the second connecting arm, the first connecting rod, the second connecting rod and the middle hinge shaft are accommodated in the accommodating cavity formed by buckling the grooves on the side column of the frame body and the fan body;
the size of the first connecting arm and the hinged end of the frame body side column along the axial direction of the hinged shaft is larger than that of the second connecting arm and the hinged end of the fan body along the axial direction of the hinged shaft.
Optionally, the first connecting arm and the second connecting arm are continuously transited between two ends along the axial dimension of the hinge shaft.
Optionally, further comprising;
the first connecting body is hinged with the first connecting arm, and the first connecting arm is installed on the side column of the frame body through the first connecting body;
and the second connecting body is hinged with the second connecting arm, and the second connecting arm is installed on the fan body through the second connecting body.
Optionally also comprises
One end of the first connecting rod is hinged with the frame body side column, and the other end of the first connecting rod is hinged with one end of the second connecting arm which is hinged with the frame body side column;
one end of the second connecting rod is hinged with the fan body, and the other end of the second connecting rod is hinged with one end of the first connecting arm, which is hinged with the fan body;
the middle hinge shaft is used for hinging the middle parts of the first connecting arm and the second connecting arm together;
the middle hinge shaft is hinged with the first connecting arm and the second connecting arm which are respectively matched with the first connecting rod and the frame body side column, and the second connecting rod and the fan body form two four-bar mechanisms so as to limit the movement track of the fan body relative to the frame body side column.
Optionally, the first connector has a first shell cavity, an end of the first connecting rod hinged to the first connector, and an end of the first connecting arm hinged to the first connector are all disposed in the first shell cavity, and the first connecting rod is disposed at an end of the first connecting arm far away from the second connector;
the second connecting body is provided with a second shell cavity, one end of the second connecting rod hinged with the second connecting body, one end of the second connecting arm hinged with the second connecting body are arranged in the second shell cavity, and the second connecting rod is arranged at one end of the second connecting arm far away from the first connecting body.
Optionally, the first shell cavity and one side of the second shell cavity, which is close to each other, are provided with openings, and one end of the first connecting rod hinged to the first connecting body and one end of the second connecting rod hinged to the second connecting body are provided close to the openings.
Optionally, the first connecting arm and the second connecting arm are curved along the extending direction.
Optionally, the first connecting arm and the second connecting arm are hinged with the middle hinge shaft, and the acting surface of the first connecting arm opposite to the second connecting arm is perpendicular to the axis of the middle hinge shaft
And/or
The hinge joint of the first connecting arm and the first connecting body is provided with an opposite acting surface perpendicular to a hinge shaft for connecting the first connecting arm and the first connecting body; and the opposite acting surfaces of the second connecting arm and the second connecting body are perpendicular to the hinge shaft for connecting the second connecting arm and the second connecting body.
Optionally, the continuous transition between the first connecting arm connecting the active surface at the first connecting body to the active surface at the intermediate hinge shaft is a straight transition;
the continuous transition between the second connecting arm connecting the active surface at the second connecting body to the active surface at the intermediate hinge shaft connecting the second connecting arm is a straight line transition so as to be adapted to the first connecting arm.
Optionally, the continuous transition from the first connecting arm connecting the active surface at the intermediate hinge shaft to the active surface at the first connecting arm connecting the second connecting rod is a straight line transition;
the continuous transition from the second connecting arm connecting the acting surface at the middle hinge shaft to the acting surface at the second connecting arm connecting the first connecting rod is a straight line transition so as to be adapted to the first connecting arm.
The hinge structure provided by the invention has the following advantages:
1. the invention provides a hinge structure which comprises a first connecting arm, a second connecting arm and a containing cavity, wherein one end of the first connecting arm is hinged to a frame body side column, the other end of the first connecting arm is hinged to a fan body, one end of the second connecting arm is hinged to the fan body, the other end of the second connecting arm is hinged to the frame body side column, the containing cavity consists of grooves respectively formed in the frame body side column and the fan body, in a closed state, the first connecting arm, the second connecting arm, the first connecting rod, the second connecting rod and the middle hinge shaft are contained in the containing cavity formed by buckling grooves in the frame body side column and the fan body, and the axial sizes of the hinge ends of the first connecting arm, the frame body side column and the second connecting arm and the fan body hinge end are larger than the axial sizes of the other ends of the first connecting arm, the second connecting arm and the fan body hinge end.
In the hinge structure of the structure, the first connecting arm is connected between the frame body side column and the fan body, the second connecting arm is connected between the fan body and the frame body side column, and in a closed state, the first connecting arm, the second connecting arm, the first connecting rod, the second connecting rod and the middle hinge shaft are accommodated in the accommodating cavity formed by buckling grooves on the frame body side column and the fan body, so that the fan body is opened and closed. Compared with the prior art that the abutting surfaces of the first connecting arm and the second connecting arm are mutually parallel, the invention can increase the picking force of the first connecting arm to the second connecting arm, and can reduce the occurrence of the condition that the door leaf is influenced by the deformation and sagging of the hinge due to deformation of the first connecting arm and the second connecting arm in the hinge due to deformation of the door leaf in the use process.
2. The invention provides a hinge structure, which further comprises a first connecting rod, a second connecting rod and an intermediate hinge shaft, wherein one end of the first connecting rod is hinged with a frame body side column, the other end of the first connecting rod is hinged with one end of the second connecting arm, which is hinged with the frame body side column, one end of the second connecting rod is hinged with a fan body, the other end of the second connecting rod is hinged with one end of the first connecting arm, which is hinged with the fan body, the intermediate hinge shaft is hinged with the middle parts of the first connecting arm and the second connecting arm, the intermediate hinge shaft is hinged with the first connecting arm and the second connecting arm, which are respectively matched with the first connecting rod and the frame body side column, and the second connecting rod and the fan body form two four-bar mechanisms so as to limit the movement track of the fan body relative to the frame body side column.
The hinge structure of the structure is characterized in that a first connecting rod is hinged between a frame body side column and a second connecting arm, a second connecting rod is hinged between the fan body and the first connecting arm, an intermediate hinge shaft is hinged with the middle parts of the first connecting arm and the second connecting arm, the first connecting arm and the second connecting arm on one side of the intermediate hinge shaft are matched with the first connecting rod and the first connecting body to form a four-bar mechanism, and the first connecting arm and the second connecting arm on the other side of the intermediate hinge shaft are matched with the second connecting rod and the second connecting body to form another four-bar mechanism so as to limit the movement track between the first connecting body and the first connecting arm and ensure that the fan body and the door frame are opened and closed to move in a preset track.
3. The invention provides a hinge structure, wherein a hinge part of a first connecting arm and a second connecting arm is connected with a middle hinge shaft, an acting surface of the first connecting arm opposite to the second connecting arm is perpendicular to the axis of the middle hinge shaft, and continuous transition from the acting surface of the first connecting arm connected with the first connecting body to the acting surface of the first connecting arm connected with the middle hinge shaft is a straight line transition; the continuous transition between the second connecting arm connecting the active surface at the second connecting body to the active surface at the intermediate hinge shaft connecting the second connecting arm is a straight line transition so as to be adapted to the first connecting arm.
The hinge structure of the structure is characterized in that the action surface opposite to the second connecting arm is perpendicular to the axis of the middle hinge shaft, the first connecting arm is connected with the action surface at the first connecting body to be connected with the action surface at the middle hinge shaft, the continuous transition between the action surface at the second connecting body and the action surface at the middle hinge shaft is a straight line transition, and the second connecting arm is connected with the continuous transition between the action surface at the second connecting body and the action surface at the middle hinge shaft, so that the first connecting arm and the second connecting arm can move more smoothly when mutually intersected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a hinge structure provided in an embodiment of the present invention;
FIG. 2 is a schematic view showing an internal structure of a hinge structure provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of a second connector of the hinge structure provided in the embodiment of the present invention in an opened state;
FIG. 4 is another schematic view of the hinge structure according to the embodiment of the present invention, in which the second connector is in an open state;
reference numerals illustrate:
1-a first connecting arm;
2-a second connecting arm;
3-a first connecting rod;
4-a second connecting rod;
5-a first connector;
6-a second linker;
7-an intermediate hinge shaft.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Examples
The present embodiment provides a hinge structure, as shown in fig. 1 to 4, including a first connecting arm 1, a second connecting arm 2, a first connecting rod 3, a second connecting rod 4, a first connecting body 5, a second connecting body 6, and an intermediate hinge shaft 7. Wherein the first connecting body 5 is used for being embedded into a containing cavity formed in a side column of the door for being connected with the side column of the door, and the second connecting body 6 is used for being embedded into a containing cavity formed in a fan blade of the door for being connected with the fan blade of the door.
As shown in fig. 1 and 2, the first connector 5 is hinged to one end of the first connecting rod 3, the other end of the first connecting rod 3 is hinged to one end of the second connecting arm 2, and the other end of the second connecting arm 2 is hinged to the second connector 6. The second connecting body 6 is hinged with one end of the second connecting rod 4, the other end of the second connecting rod 4 is hinged with one end of the first connecting arm 1, and the other end of the first connecting arm 1 is hinged with the first connecting body 5.
Referring to fig. 1 and 2, the middle parts of the first connecting arm 1 and the second connecting arm 2 are hinged through the middle hinge shaft 7, so that the first connecting arm 1 and the second connecting arm 2 on one side of the middle hinge shaft 7 are matched with the first connecting rod 3 and the first connecting body 5 to form a four-bar linkage mechanism, and the first connecting arm 1 and the second connecting arm 2 on the other side of the middle hinge shaft 7 are matched with the second connecting rod 4 and the second connecting body 6 to form another four-bar linkage mechanism, so that the movement track between the first connecting body 5 and the second connecting body 6 is limited, and the opening and closing between the fan body and the door frame are ensured to move in a preset track.
The first connecting arm 1 and the second connecting rod 4, and the second connecting arm 2 and the first connecting rod 3 are all hinged through hinge shafts, so that the first connecting arm 1 and the second connecting rod 4, and the second connecting arm 2 and the first connecting rod 3 can rotate with each other.
Further, in the embodiment shown in fig. 1, the first connecting arms 1 are arranged in the middle, and the second connecting arms 2 are arranged on two sides of the first connecting arms 1 along the axial direction of the middle hinge shaft 7. The dimension of the end of the first connecting arm 1, which is close to the frame side post and hinged with the first connecting body 5, along the axial direction of the middle hinge shaft 7 is larger than the dimension of the end of the first connecting arm, which is hinged with the second connecting rod 4. The dimension of the end, close to the fan body, of the second connecting arm 2, which is hinged with the second connecting body 6 along the axial direction of the middle hinge shaft 7 is larger than the dimension of the end, hinged with the first connecting rod 3, of the second connecting arm. And the first connecting arm 1 and the second connecting arm 2 are continuously transited between the two ends along the axial dimension of the middle hinge shaft 7.
With respect to the abutting surfaces of the first connecting arm 1 and the second connecting arm 2 in the prior art, in this embodiment, the dimension of the end of the first connecting arm 1, which is close to the frame side post and is hinged to the first connecting body 5, along the axial direction of the intermediate hinge shaft 7 is larger than the dimension of the end of the first connecting arm, which is hinged to the second connecting rod 4. The dimension of one end, close to the fan body, of the second connecting arm 2, which is hinged with the second connecting body 6 along the axial direction of the middle hinge shaft 7 is larger than the dimension of one end, which is connected with the first connecting rod 3 in a glue joint mode, of the second connecting arm 2, and the dimension of the first connecting arm 1 and the second connecting arm 2 along the axial direction of the middle hinge shaft 7 are continuously transited between the two ends.
As shown in figure 1, the abutting part of one side of the first connecting arm 1 and one side of the second connecting arm 2, which are close to the second connecting body 6, are supported by inclined planes instead of being parallel to each other, when the hinge second connecting body 6 receives downward gravity of a door leaf, the gravity at the b position and the c position can be transferred to the a position and the d position, so that the gravity is unchanged, the arm of force is increased, the relative torque of supporting force is improved, the hinge arm exerts larger picking force and lower pulling force, and the limited materials are distributed by scientific force, so that the hinge structure can generate larger bearing force.
As shown in fig. 1, at the hinge position of the first connecting arm 1 and the second connecting arm 2 connected with the middle hinge shaft 7, the acting surfaces of the first connecting arm 1 and the second connecting arm 2 opposite to each other are perpendicular to the axis of the middle hinge shaft 7, that is, the acting surfaces of the first connecting arm 1 and the second connecting arm 2 opposite to each other are parallel to each other, so that when the first connecting arm 1 and the second connecting arm 2 rotate relative to the middle hinge shaft 7, the acting surfaces of the first connecting arm 1 and the second connecting arm 2 are prevented from colliding with each other, and the movement of the first connecting arm 1 and the second connecting arm 2 is influenced.
Further, the continuous transition between the first connecting arm 1 connecting the active surface of the first connecting body 5 to the active surface of the first connecting body connecting the intermediate hinge shaft 7 is a straight line transition, i.e. the active surface of the first connecting arm 1 connecting the first connecting body 5 to the active surface of the first connecting body connecting the intermediate hinge shaft 7 is a neat plane. And the continuous transition between the action surface of the second connecting body 6 connected with the second connecting arm 2 and the action surface of the intermediate hinge shaft 7 connected with the second connecting arm is a straight line transition so as to adapt to the first connecting arm 1, so that the first connecting arm 1 and the second connecting arm 2 can be smoother when rotating relative to the intermediate hinge shaft 7.
Similarly, the continuous transition from the acting surface of the first connecting arm 1 connected with the middle hinge shaft 7 to the acting surface of the first connecting arm 1 connected with the second connecting rod 4 is a straight line transition, and the continuous transition from the acting surface of the second connecting arm 2 connected with the middle hinge shaft 7 to the acting surface of the second connecting arm 2 connected with the first connecting rod 3 is a straight line transition, so as to adapt to the first connecting arm 1.
As shown in fig. 2, the first connecting arm 1 and the second connecting arm 2 are arc-shaped in cross section along the first connecting body 5 toward the second connecting body 6.
As shown in fig. 2 to 4, the first connecting body 5 has a first housing cavity, one end of the first connecting rod 3 hinged to the first connecting body 5, and one end of the first connecting arm 1 hinged to the first connecting body 5 are all disposed in the first housing cavity, and the first connecting rod 3 is disposed at one end of the first connecting arm 1 far away from the second connecting body 6. The second connector 6 has the second shell chamber, and second connecting rod 4 and the articulated one end of second connector 6, second linking arm 2 and the articulated one end of second connector 6 all locate the second shell intracavity, and second connecting rod 4 locates second linking arm 2 and keep away from first connector 5 one end, and one side that first shell chamber and second shell chamber are close to each other is the opening setting, and then can reduce hinge structure's whole volume.
Specifically, when the fan body and the door frame are in the closed state, as shown in fig. 2, the parts of the first connecting rod 3 and the first connecting arm 1, which are close to the first connecting rod 3, are all contained in the first shell cavity, and the parts of the second connecting rod 4 and the second connecting arm 2, which are close to the second connecting rod 4, are all contained in the second shell cavity, so that the whole volume of the hinge structure is reduced, and at the moment, the inclined plane of the first connecting arm 1 and the inclined planes of the second connecting arms 2 at two sides of the inclined plane are mutually separated.
As shown in fig. 3, when the sash and the door frame are in the ninety-degree open state, and when the sash and the door frame are converted from the state shown in fig. 2 to the state shown in fig. 3, the first connecting arm 1 rotates around the hinge joint with the first connecting body 5 to gradually extend out of the first shell cavity, the second connecting arm 2 simultaneously rotates around the hinge joint with the second connecting body 6 to gradually extend out of the second shell cavity, the first connecting rod 3 and the second connecting rod 4 correspondingly rotate around respective hinge joints, and at the moment, the inclined plane of the first connecting arm 1 is in overlapping abutting joint with the inclined planes of the second connecting arms 2 at two sides of the inclined plane.
As shown in fig. 4, when the fan body and the door frame are in a one hundred eighty degree open state, and when the fan body and the door frame are switched from the state shown in fig. 3 to the state shown in fig. 4, the first connecting arm 1 continues to rotate around the hinge joint with the first connecting body 5 until the first shell cavity is completely extended, the second connecting arm 2 simultaneously continues to rotate around the hinge joint with the second connecting body 6 until the second shell cavity is completely extended, the first connecting rod 3 and the second connecting rod 4 correspondingly rotate around respective hinge joints, and at the moment, the inclined planes of the first connecting arm 1 and the inclined planes of the second connecting arms 2 at two sides of the first connecting arm completely overlap and abut.
In the process of moving from the state shown in fig. 2 to the locked state shown in fig. 4, since the acting surfaces of the first connecting arm 1 and the second connecting arm 2 are perpendicular to the axis of the intermediate hinge shaft 7, that is, the acting surfaces of the first connecting arm 1 and the second connecting arm 2 are parallel to each other, the continuous transition from the acting surface of the first connecting arm 1 connecting the first connecting body 5 to the acting surface of the second connecting body connecting the intermediate hinge shaft 7 is a straight transition, and the continuous transition from the acting surface of the second connecting arm 2 connecting the second connecting body 6 to the acting surface of the second connecting body connecting the intermediate hinge shaft 7 is a straight transition, so that the movement interference between the acting surfaces of the first connecting arm 1 and the second connecting arm 2 when the first connecting arm 1 and the second connecting arm 2 rotate relative to the intermediate hinge shaft 7 is avoided.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (10)

1. A hinge structure, comprising:
one end of the first connecting arm (1) is hinged on the side column of the frame body, and the other end of the first connecting arm is hinged on the fan body;
one end of the second connecting arm (2) is hinged on the fan body, and the other end of the second connecting arm is hinged on the side column of the frame body;
the accommodating cavity consists of grooves formed on the side column of the frame body and the fan body respectively, and in a closed state, the first connecting arm (1), the second connecting arm (2), the first connecting rod (3), the second connecting rod (4) and the middle hinge shaft (7) are accommodated in the accommodating cavity formed by buckling the grooves on the side column of the frame body and the fan body;
it is characterized in that the method comprises the steps of,
the axial dimension of the first connecting arm (1) and the hinged end of the frame body side column and the axial dimension of the second connecting arm (2) and the hinged end of the fan body along the middle hinged shaft (7) are larger than the dimension of the other end of the first connecting arm and the hinged end of the fan body.
2. Hinge construction according to claim 1, characterized in that the dimensions of the first connecting arm (1) and the second connecting arm (2) in the axial direction of the intermediate hinge shaft (7) are continuously transiting between the two ends.
3. The hinge structure of claim 2, further comprising;
a first connecting body (5) hinged with the first connecting arm (1), wherein the first connecting arm (1) is installed on a frame body side column through the first connecting body (5);
and the second connecting body (6) is hinged with the second connecting arm (2), and the second connecting arm (2) is mounted on the fan body through the second connecting body (6).
4. A hinge structure according to claim 3, characterized in that,
one end of a first connecting rod (3) is hinged with a frame body side column, and the other end of the first connecting rod (3) is hinged with one end of a second connecting arm (2) which is hinged with the frame body side column;
one end of a second connecting rod (4) is hinged with the fan body, and the other end of the second connecting rod (4) is hinged with one end of the first connecting arm (1) which is hinged with the fan body;
the middle hinge shaft (7) is used for hinging the middle parts of the first connecting arm (1) and the second connecting arm (2) together;
the middle hinge shaft (7) is hinged with the first connecting arm (1) and the second connecting arm (2) respectively matched with the first connecting rod (3) and the frame body side column, and the second connecting rod (4) and the fan body form two four-bar mechanisms so as to limit the movement track of the fan body relative to the frame body side column.
5. The hinge structure according to claim 4, wherein,
the first connecting body (5) of the hinge structure is provided with a first shell cavity, one end of the first connecting rod (3) hinged with the first connecting body (5) and one end of the first connecting arm (1) hinged with the first connecting body (5) are arranged in the first shell cavity, and the first connecting rod (3) is arranged at one end of the first connecting arm (1) far away from the second connecting body (6);
the second connecting body (6) of the hinge structure is provided with a second shell cavity, one end of the second connecting rod (4) hinged to the second connecting body (6) and one end of the second connecting arm (2) hinged to the second connecting body (6) are arranged in the second shell cavity, and the second connecting rod (4) is arranged at one end of the second connecting arm (2) far away from the first connecting body (5).
6. Hinge structure according to claim 5, characterized in that the side of the first housing chamber and the side of the second housing chamber close to each other are arranged as openings, and that the end of the first connecting rod (3) hinged to the first connecting body (5) and the end of the second connecting rod (4) hinged to the second connecting body (6) are arranged close to the openings.
7. Hinge structure according to any one of claims 4-6, characterized in that said first connecting arm (1) and said second connecting arm (2) are curved in the direction of extension.
8. A hinge construction according to claim 3, characterized in that the first connecting arm (1) and the second connecting arm (2) are hinged to the intermediate hinge shaft (7), the active surface of the first connecting arm (1) opposite the second connecting arm (2) being perpendicular to the axis of the intermediate hinge shaft (7)
And/or
The hinge joint of the first connecting arm (1) and the first connecting body (5) is provided with opposite acting surfaces perpendicular to a hinge shaft for connecting the first connecting arm and the first connecting body; and the opposite acting surfaces of the second connecting arm (2) and the second connecting body (6) are perpendicular to the hinging shaft for connecting the second connecting arm and the second connecting body.
9. The hinge structure according to claim 8, wherein,
the continuous transition from the action surface of the first connecting arm (1) connected with the first connecting body (5) to the action surface of the first connecting arm connected with the middle hinge shaft (7) is a straight line transition;
the continuous transition between the second connecting arm (2) connecting the active surface at the second connecting body (6) to the active surface at the intermediate hinge shaft (7) connecting the second connecting arm is a straight line transition so as to be matched with the first connecting arm (1).
10. The hinge structure according to claim 9, wherein,
the continuous transition from the action surface of the first connecting arm (1) connected with the middle hinge shaft (7) to the action surface of the first connecting arm (1) connected with the second connecting rod (4) is a straight line transition;
the continuous transition from the second connecting arm (2) connecting the active surface at the intermediate hinge shaft (7) to the active surface at the second connecting arm (2) connecting the first connecting rod (3) is a straight line transition to adapt to the first connecting arm (1).
CN202310120744.6A 2023-02-09 2023-02-09 Hinge structure Pending CN116146063A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310120744.6A CN116146063A (en) 2023-02-09 2023-02-09 Hinge structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310120744.6A CN116146063A (en) 2023-02-09 2023-02-09 Hinge structure

Publications (1)

Publication Number Publication Date
CN116146063A true CN116146063A (en) 2023-05-23

Family

ID=86338651

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310120744.6A Pending CN116146063A (en) 2023-02-09 2023-02-09 Hinge structure

Country Status (1)

Country Link
CN (1) CN116146063A (en)

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