CN110230447B - Bidirectional opening and closing door - Google Patents

Bidirectional opening and closing door Download PDF

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Publication number
CN110230447B
CN110230447B CN201910422067.7A CN201910422067A CN110230447B CN 110230447 B CN110230447 B CN 110230447B CN 201910422067 A CN201910422067 A CN 201910422067A CN 110230447 B CN110230447 B CN 110230447B
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CN
China
Prior art keywords
hinge
shaft
falling
hinge seat
limiting
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Application number
CN201910422067.7A
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Chinese (zh)
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CN110230447A (en
Inventor
谈小弟
陈和平
杨序忠
石敏
王晓晖
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Wuhan Guanghong Intelligent Equipment Technology Co ltd
WUHAN ENGINEERING SCIENCE & TECHNOLOGY INSTITUTE
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Wuhan Guanghong Intelligent Equipment Technology Co ltd
WUHAN ENGINEERING SCIENCE & TECHNOLOGY INSTITUTE
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Priority to CN201910422067.7A priority Critical patent/CN110230447B/en
Publication of CN110230447A publication Critical patent/CN110230447A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00Hinges with pins
    • E05D3/02Hinges with pins with one pin
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00Construction of single parts, e.g. the parts for attachment
    • E05D5/10Pins, sockets or sleeves; Removable pins
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00Construction of single parts, e.g. the parts for attachment
    • E05D5/10Pins, sockets or sleeves; Removable pins
    • E05D5/12Securing pins in sockets, movably or not
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00Hinges or pivots of special construction
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00Hinges or pivots of special construction
    • E05D7/02Hinges or pivots of special construction for use on the right-hand as well as the left-hand side; Convertible right-hand or left-hand hinges

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

Abstract

The invention discloses a bidirectional opening and closing door, which comprises a door leaf and a door frame, wherein four corners of the door leaf are respectively provided with a hinge seat, and corresponding positions on the door frame are respectively provided with a hinge shaft matched with the hinge seats; the hinge shaft is provided with an anti-falling limiting shaft, the side wall of the hinge end of the corresponding hinge seat is provided with a hinge shaft slot matched with the hinge shaft, the hinge shaft is clamped in the hinge shaft slot, the end face of the hinge end of the hinge seat is provided with an anti-falling limiting shaft slot matched with the anti-falling limiting shaft, the anti-falling limiting shaft slot is communicated with the hinge shaft slot, the hinge seat is internally provided with a limiting pin with a reset spring, and the head of the limiting pin stretches into the hinge shaft slot and limits the hinge shaft in the hinge shaft slot; when the hinge seat is in a closed state with the corresponding hinge shaft, the anti-falling limiting shaft is positioned in the corresponding hinge shaft slot, and when the hinge seat is in an open state with the corresponding hinge shaft, the anti-falling limiting shaft is clamped in the corresponding anti-falling limiting shaft slot. Is suitable for various doors and windows.

Description

Bidirectional opening and closing door
Technical Field
The invention relates to the field of mechanical hinges, in particular to a bidirectional opening and closing door.
Background
Mechanical hinges are mechanical devices used to connect two solids and allow relative rotation between them, and are suitable for various doors and windows, for example: windows, doors, cabinet doors, electrical appliance doors, etc. However, the existing doors and windows adopting the mechanical hinge can be opened only in one direction, so that the door and window with special opening requirements cannot be suitable for the doors and windows.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a bidirectional opening and closing door.
In order to achieve the above purpose, the invention provides a bidirectional opening and closing door, which comprises a door leaf and a door frame, wherein four corners of the door leaf are respectively provided with a hinge seat, corresponding positions on the door frame are respectively provided with a hinge shaft matched with the hinge seats,
The hinge shaft is provided with an anti-falling limiting shaft, the side wall of the hinge end of the corresponding hinge seat is provided with a hinge shaft slot matched with the hinge shaft, the hinge shaft is clamped in the hinge shaft slot, the end face of the hinge end of the hinge seat is provided with an anti-falling limiting shaft slot matched with the anti-falling limiting shaft at the position corresponding to the anti-falling limiting shaft, the anti-falling limiting shaft slot is communicated with the hinge shaft slot, a limiting pin with a reset spring is arranged in the hinge seat, and the head of the limiting pin stretches into the hinge shaft slot and limits the hinge shaft in the hinge shaft slot;
when the hinge seat and the corresponding hinge shaft are in a closed state, the anti-falling limiting shaft is positioned in the corresponding hinge shaft slot, and when the hinge seat and the corresponding hinge shaft are in an open state, the anti-falling limiting shaft is clamped in the corresponding anti-falling limiting shaft slot.
The hinge shaft is limited in the hinge shaft slot through the elastically telescopic limiting pin, so that when the left side of the door and window is opened, the left hinge seat can move outwards under the action of a pulling force, and the pulling force can enable the left hinge shaft and the left anti-falling limiting shaft slot to move relatively, so that the left hinge shaft forcibly presses the left limiting pin back into the left hinge seat, and further the left hinge shaft is completely separated from the limit of the left limiting pin, the left opening of the door and window is finally realized, meanwhile, the right hinge seat can rotate around the right hinge shaft to realize the hinge function, and the right anti-falling limiting shaft can be clamped into the anti-falling limiting shaft slot to prevent separation between the right hinge seat and the right hinge shaft; similarly, when the right side of the door and window is opened, the hinge seat on the right side can move outwards under the action of the pulling force, and the pulling force can enable the hinge shaft on the right side to move relatively with the anti-falling limiting shaft groove on the right side, so that the hinge shaft on the right side forcibly presses the limiting pin on the right side back into the hinge seat on the right side, and further the hinge shaft on the right side is completely separated from the limit of the limiting pin on the right side, the opening of the right side of the door and window is finally realized, meanwhile, the hinge seat on the left side can rotate around the hinge shaft on the left side, the hinge function is realized, and the anti-falling limiting shaft on the left side can be clamped into the anti-falling limiting shaft groove so as to prevent separation between the hinge seat on the left side and the hinge shaft on the left side.
In the above scheme, the head of the limiting pin in the hinge seat at the upper left corner is clamped below or above the joint position of the hinge shaft at the upper left corner and the corresponding anti-falling limiting shaft, and correspondingly, the head of the limiting pin in the hinge seat at the lower left corner is clamped above or below the joint position of the hinge shaft at the lower left corner and the corresponding anti-falling limiting shaft;
The head of the limiting pin in the hinge seat at the upper right corner is clamped below or above the joint part of the hinge shaft at the upper right corner and the corresponding anti-falling limiting shaft, and correspondingly, the head of the limiting pin in the hinge seat at the lower right corner is clamped above or below the joint part of the hinge shaft at the lower right corner and the corresponding anti-falling limiting shaft.
The clamping parts of the limiting pins in the upper hinge seat and the lower hinge seat on the same side of the door and window are designed to be opposite or opposite, so that the door leaf or the window sash can be prevented from being displaced along the hinge shaft.
In the above scheme, the anti-falling limiting shaft is vertically arranged in the middle of the corresponding hinge shaft, and one end of the hinge shaft is provided with a hinge shaft mounting block. The anti-falling limiting shaft is designed to be perpendicular to the hinge shaft, so that the anti-falling limiting shaft can be conveniently and reliably clamped into the anti-falling limiting shaft groove, and in the use process, the stress of the anti-falling limiting shaft is more balanced; meanwhile, the added hinge shaft mounting block facilitates the mounting of the hinge shaft.
In the above scheme, the hinge shaft slot is of a U-shaped structure, and the diameter of the arc bottom of the U-shaped structure is matched with the diameter of the corresponding hinge shaft. The hinge base is advantageously rotated about the hinge axis by designing the hinge axis slot as a U-shaped structure and designing the diameter of the arc-shaped bottom of the U-shaped structure to match the diameter of the hinge axis.
In the above scheme, the width D of the anti-falling limiting shaft groove is matched with the corresponding diameter of the anti-falling limiting shaft. Through designing the width D of anticreep spacing axle groove to cooperate with the diameter of anticreep spacing axle, like this, when this mechanical hinge opened the state, can prevent effectively that the hinge seat from taking place the displacement along the axial of hinge pin.
In the above scheme, the head of the limiting pin is of a conical structure. The head of the limiting pin is designed into a conical structure, so that the limiting pin can be conveniently forced to be pressed back into the hinge seat by the hinge shaft.
In the scheme, the tail part of the limiting pin is of a columnar structure, and a limiting boss is arranged between the tail part of the limiting pin and the head part of the limiting pin;
The end face of the mounting end of the hinge seat is provided with a limiting pin mounting hole for mounting the limiting pin, the limiting pin mounting hole is communicated with the hinge shaft slot, the aperture of the communicating part of the limiting pin mounting hole and the hinge shaft slot is larger than the maximum diameter of the head part of the limiting pin, and the aperture of the communicating part of the limiting pin mounting hole and the hinge shaft slot is smaller than the diameter of the limiting boss;
the limiting pin is movably inserted in the limiting pin mounting hole, the reset spring is sleeved at the tail of the limiting pin, a spring pressing plate is covered on the end face of the mounting end of the hinge base, one end of the reset spring abuts against the limiting boss, and the other end of the reset spring abuts against the spring pressing plate.
The locating pin mounting hole cooperates with the spring clamp plate mutually, has made things convenient for the installation and the later maintenance of locating pin.
In the above scheme, the head of the limiting pin can be completely retracted into the limiting pin mounting hole. The head of the limiting pin can be completely retracted into the mounting hole of the limiting pin, so that the hinge is convenient to open.
In the above scheme, the spring pressing plate is provided with an avoidance hole at a position corresponding to the tail part of the limiting pin, and the tail part of the limiting pin penetrates through the avoidance hole and extends outwards. Through adding on the spring clamp plate and establishing dodging the hole to pass the afterbody of spacer pin and dodge the hole and outwards extend, like this, can add between the hinge seat of door and window upper portion and/or lower part both sides and set up anticreep pole subassembly, can make the hinge seat of both sides have the spacer pin in the hinge seat of one side all the time in spacing in the hinge seat of correspondence through this anticreep pole subassembly hinge shaft groove, thereby can prevent effectively that door and window from taking place the separation.
In the above scheme, an anti-falling rod assembly is arranged on the door leaf at a position between the hinge seat at the upper left corner and the hinge seat at the upper right corner, and an anti-falling rod assembly is also arranged on the door leaf at a position between the hinge seat at the lower left corner and the hinge seat at the lower right corner;
the anti-falling rod assembly comprises an anti-falling ejector rod and an anti-falling ejector rod mounting seat, and the anti-falling ejector rod is mounted on the door leaf in a left-right free movement manner through the anti-falling ejector rod mounting seat;
The hinge seat at the upper left corner and the hinge seat at the upper right corner are arranged on the door leaf in a back way, and when the limiting pin in the hinge seat at the upper left corner is just completely pressed back into the hinge seat at the upper left corner by the hinge shaft at the upper left corner in the left side opening process of the door leaf, one end of the corresponding anti-falling ejector rod is propped against the tail end face of the limiting pin in the hinge seat at the upper left corner, and the other end of the corresponding anti-falling ejector rod is propped against the tail end face of the limiting pin in the hinge seat at the upper right corner; when the limiting pin in the hinge seat at the right upper corner is completely pressed back into the hinge seat at the right upper corner by the hinge shaft at the right upper corner in the right side opening process of the door leaf, one end of the corresponding anti-falling ejector rod is propped against the tail end face of the limiting pin in the hinge seat at the right upper corner, and the other end of the corresponding anti-falling ejector rod is propped against the tail end face of the limiting pin in the hinge seat at the left upper corner;
The hinge seat at the lower left corner and the hinge seat at the lower right corner are arranged on the door leaf in a back-to-back way, and when the limiting pin in the hinge seat at the lower left corner is just completely pressed back into the hinge seat at the lower left corner by the hinge shaft at the lower left corner in the left side opening process of the door leaf, one end of the corresponding anti-falling ejector rod is propped against the tail end face of the limiting pin in the hinge seat at the lower left corner, and the other end of the corresponding anti-falling ejector rod is propped against the tail end face of the limiting pin in the hinge seat at the lower right corner; in the right side opening process of the door leaf, when the limiting pin in the hinge seat at the right lower corner is just completely pressed back into the hinge seat at the right lower corner by the hinge shaft at the right lower corner, one end of the corresponding anti-drop ejector rod is propped against the tail end face of the limiting pin in the hinge seat at the right lower corner, and the other end of the corresponding anti-drop ejector rod is propped against the tail end face of the limiting pin in the hinge seat at the left lower corner.
The anti-drop rod assembly is additionally arranged, so that the limiting pin in the hinge seat at one side of the hinge seats at two sides always limits the corresponding hinge shaft in the corresponding hinge shaft slot, and the door and window can be effectively prevented from being separated.
The technical scheme provided by the invention has the beneficial effects that:
1. The hinge shaft is limited in the hinge shaft slot through the elastically telescopic limiting pin, so that when the left side of the door and window is opened, the left hinge seat can move outwards under the action of a pulling force, and the pulling force can enable the left hinge shaft and the left anti-falling limiting shaft slot to move relatively, so that the left hinge shaft forcibly presses the left limiting pin back into the left hinge seat, and further the left hinge shaft is completely separated from the limit of the left limiting pin, the left opening of the door and window is finally realized, meanwhile, the right hinge seat can rotate around the right hinge shaft to realize the hinge function, and the right anti-falling limiting shaft can be clamped into the anti-falling limiting shaft slot to prevent separation between the right hinge seat and the right hinge shaft; similarly, when the right side of the door and window is opened, the right hinge seat can move outwards under the action of a tensile force, and the tensile force can enable the right hinge shaft and the right anti-falling limiting shaft slot to move relatively, so that the right hinge shaft forcibly presses the right limiting pin back into the right hinge seat, and further the right hinge shaft is completely separated from the limit of the right limiting pin, and finally the right side of the door and window is opened, and meanwhile, the left hinge seat can rotate around the left hinge shaft to realize the hinge function, and the left anti-falling limiting shaft can be clamped into the anti-falling limiting shaft slot to prevent separation between the left hinge seat and the left hinge shaft;
2. the clamping parts of the limiting pins in the upper hinge seat and the lower hinge seat on the same side of the door and window are designed to be opposite or opposite, so that the door leaf or the window sash can be prevented from being displaced along the hinge shaft;
3. The anti-falling limiting shaft is designed to be perpendicular to the hinge shaft, so that the anti-falling limiting shaft can be conveniently and reliably clamped into the anti-falling limiting shaft groove, and in the use process, the stress of the anti-falling limiting shaft is more balanced;
4. The added hinge shaft mounting block is convenient for mounting the hinge shaft;
5. The hinge seat is beneficial to rotating around the hinge shaft by designing the hinge shaft slot as a U-shaped structure and designing the diameter of the arc bottom of the U-shaped structure to be matched with the diameter of the hinge shaft;
6. the width D of the anti-falling limiting shaft groove is designed to be matched with the diameter of the anti-falling limiting shaft, so that the hinge seat can be effectively prevented from displacing along the axial direction of the hinge shaft when the mechanical hinge is in an open state;
7. the head of the limiting pin is designed into a conical structure, so that the limiting pin can be conveniently forced to be pressed back into the hinge seat by the hinge shaft;
8. the locating pin mounting holes are matched with the spring pressing plates, so that the locating pins are convenient to mount and maintain in the later period;
9. Through adding on the spring clamp plate and establishing dodging the hole to pass the afterbody of spacer pin and dodge the hole and outwards extend, like this, can add between the hinge seat of door and window upper portion and/or lower part both sides and set up anticreep pole subassembly, can make the hinge seat of both sides have the spacer pin in the hinge seat of one side all the time in spacing in the hinge seat of correspondence through this anticreep pole subassembly hinge shaft groove, thereby can prevent effectively that door and window from taking place the separation.
Drawings
FIG. 1 is a schematic view of a mechanical hinge consisting of a hinge base and a hinge shaft;
FIG. 2 is a schematic diagram of the explosive structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1;
FIG. 4 is another view angle schematic of FIG. 1;
FIG. 5 is a schematic diagram of the explosive structure of FIG. 4;
FIG. 6 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 7 is a schematic view of the hinge base of FIG. 6 rotated by a certain angle;
FIG. 8 is a schematic view of the structure of FIG. 1 from yet another perspective;
FIG. 9 is a schematic view of the hinge base of FIG. 8 rotated by a certain angle;
FIG. 10 is a schematic view of the use state structure of the present invention;
FIG. 11 is another view angle schematic of FIG. 10;
FIG. 12 is a schematic view of the explosive structure of FIG. 11;
fig. 13 is a schematic view of the structure of the door frame in fig. 12;
FIG. 14 is another view angle schematic of FIG. 13;
fig. 15 is a schematic view of the structure of the door leaf in fig. 12;
Fig. 16 is a schematic structural view of the stopper pin clamped at the joint of the hinge shaft and the anti-falling stopper shaft.
In the figure, a hinge seat 1, a hinge shaft slot 1a, an anti-falling limit shaft slot 1b, a reset spring 1c, a limit pin 1d, a limit boss 1d1, a limit pin mounting hole 1e, a spring pressing plate 1f, a hinge shaft 2, an anti-falling limit shaft 2a, a hinge shaft mounting block 2b, an anti-falling rod assembly 3, an anti-falling ejector rod 3a, an anti-falling ejector rod mounting seat 3b, a door leaf a and a door frame b.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
Examples:
As shown in fig. 1, the bidirectional opening and closing door provided in this embodiment includes a door leaf a and a door frame b, wherein four corners of the door leaf a are respectively provided with a hinge base 1, and corresponding positions on the door frame b are respectively provided with hinge shafts 2 matched with the hinge bases 1; the hinge comprises a hinge seat 1, a hinge shaft 2, a hinge shaft groove 1a, an anti-falling limiting shaft groove 1b, a limiting pin 1d with a reset spring 1c, and a limiting pin 1d, wherein the hinge shaft 2 is provided with the anti-falling limiting shaft 2a, the hinge shaft groove 1a is arranged on the side wall of the hinge end of the hinge seat 1, the hinge shaft groove 1a is matched with the hinge shaft groove 2, the anti-falling limiting shaft groove 1b is arranged on the end face of the hinge end of the hinge seat 1, which corresponds to the anti-falling limiting shaft 2a, the anti-falling limiting shaft groove 1b is communicated with the hinge shaft groove 1a, the hinge seat 1 is internally provided with the limiting pin 1d with the reset spring 1c, and the head of the limiting pin 1d stretches into the hinge shaft groove 1a and limits the hinge shaft 2 in the hinge shaft groove 1 a; when the hinge seat 1 and the corresponding hinge shaft 2 are in a closed state, the anti-falling limiting shaft 2a is positioned in the corresponding hinge shaft slot 1a, and when the hinge seat 1 and the corresponding hinge shaft 2 are in an open state, the anti-falling limiting shaft 2a is clamped in the corresponding anti-falling limiting shaft slot 1b.
The hinge shaft 2 is limited in the hinge shaft slot 1a through the elastically telescopic limiting pin 1d, so that when the left side of the door and window is opened, the left hinge seat 1 moves outwards under the action of a pulling force, the pulling force can enable the left hinge shaft 2 and the left anti-falling limiting shaft slot 1b to move relatively, so that the left hinge shaft 2 forcibly presses the left limiting pin 1d back into the left hinge seat 1, the left hinge shaft 2 is completely separated from the limit of the left limiting pin 1d, the left side of the door and window is finally opened, meanwhile, the right hinge seat 1 can rotate around the right hinge shaft 2 to realize the hinge function, and the right anti-falling limiting shaft 2a can be clamped into the anti-falling limiting shaft slot 1b to prevent separation between the right hinge seat 1 and the right hinge shaft 2; similarly, when the right side of the door and window is opened, the right hinge seat 1 moves outwards under the action of a tensile force, and the tensile force enables the right hinge shaft 2 and the right anti-falling limiting shaft slot 1b to move relatively, so that the right hinge shaft 2 forcibly presses the right limiting pin 1d back into the right hinge seat 1, the right hinge shaft 2 is completely separated from the limit of the right limiting pin 1d, the right side of the door and window is finally opened, meanwhile, the left hinge seat 1 rotates around the left hinge shaft 2 to realize the hinge function, and the left anti-falling limiting shaft 2a is clamped into the anti-falling limiting shaft slot 1b to prevent separation between the left hinge seat 1 and the left hinge shaft 2.
The head of the limiting pin 1d in the hinge seat 1 at the upper left corner is clamped below or above the joint part of the hinge shaft 2 at the upper left corner and the corresponding anti-falling limiting shaft 2a, and correspondingly, the head of the limiting pin 1d in the hinge seat 1 at the lower left corner is clamped above or below the joint part of the hinge shaft 2 at the lower left corner and the corresponding anti-falling limiting shaft 2 a; the head of the limiting pin 1d in the hinge seat 1 at the upper right corner is clamped below or above the joint position of the hinge shaft 2 at the upper right corner and the corresponding anti-falling limiting shaft 2a, and correspondingly, the head of the limiting pin 1d in the hinge seat 1 at the lower right corner is clamped above or below the joint position of the hinge shaft 2 at the lower right corner and the corresponding anti-falling limiting shaft 2 a. The clamping parts of the limiting pins 1d in the upper hinge seat 1 and the lower hinge seat 1 on the same side of the door and the window are designed to be opposite or opposite, so that the door leaf a or the window sash can be prevented from being displaced along the hinge shaft 2.
The anti-falling limiting shaft 2a is vertically arranged in the middle of the corresponding hinge shaft 2, and one end of the hinge shaft 2 is provided with a hinge shaft mounting block 2b. By designing the anti-falling limiting shaft 2a to be arranged perpendicular to the hinge shaft 2, the anti-falling limiting shaft 2a can be conveniently and reliably clamped into the anti-falling limiting shaft slot 1b, and in the use process, the stress of the anti-falling limiting shaft 2a is more balanced; meanwhile, the added hinge shaft mounting block 2b facilitates the mounting of the hinge shaft 2.
The hinge shaft slot 1a has a U-shaped structure, and the diameter of the arc bottom of the U-shaped structure is matched with the diameter of the corresponding hinge shaft 2. The rotation of the hinge base 1 about the hinge axis 2 is facilitated by designing the hinge axis slot 1a as a U-shaped structure and designing the diameter of the arc-shaped bottom of the U-shaped structure to match the diameter of the hinge axis 2. The width D of the anti-falling limiting shaft groove 1b is matched with the diameter of the corresponding anti-falling limiting shaft 2 a. By designing the width D of the anti-falling limit shaft slot 1b to match the diameter of the anti-falling limit shaft 2a, the hinge seat 1 can be effectively prevented from being displaced along the axial direction of the hinge shaft 2 when the mechanical hinge is in the open state.
The head of the limit pin 1d has a conical structure. By designing the head of the limit pin 1d to be of a conical structure, the limit pin 1d can be conveniently forced to be pressed back into the hinge base 1 by the hinge shaft 2. The tail part of the limiting pin 1d is of a columnar structure, and a limiting boss 1d1 is arranged between the tail part of the limiting pin 1d and the head part of the limiting pin 1 d; a limiting pin mounting hole 1e for mounting the limiting pin 1d is formed in the end face of the mounting end of the hinge seat 1, the limiting pin mounting hole 1e is communicated with the hinge shaft slot 1a, the aperture of the communicating part of the limiting pin mounting hole 1e and the hinge shaft slot 1a is larger than the maximum diameter of the head part of the limiting pin 1d, and the aperture of the communicating part of the limiting pin mounting hole 1e and the hinge shaft slot 1a is smaller than the diameter of the limiting boss 1d1; the limiting pin 1d is movably inserted in the limiting pin mounting hole 1e, the reset spring 1c is sleeved at the tail of the limiting pin 1d, a spring pressing plate 1f is covered on the end face of the mounting end of the hinge base 1, one end of the reset spring 1c abuts against the limiting boss 1d1, and the other end of the reset spring 1c abuts against the spring pressing plate 1 f. The locating pin mounting hole 1e and the spring clamp plate 1f mutually cooperate, have facilitated the installation and later maintenance of the locating pin 1 d.
The head of the stopper pin 1d is completely retracted into the stopper pin mounting hole 1 e. The head of the limiting pin 1d is designed to be completely retracted into the limiting pin mounting hole 1e, so that the hinge is conveniently opened. And an avoidance hole is formed in the spring pressing plate 1f at a position corresponding to the tail part of the limiting pin 1d, and the tail part of the limiting pin 1d penetrates through the avoidance hole and extends outwards. Through adding and establishing dodging the hole on spring clamp plate 1f to pass the afterbody of spacer pin 1d dodges the hole and outwards extend, like this, can add between the hinge seat 1 of door and window upper portion and/or lower part both sides and set up anticreep pole subassembly 3, can make the hinge seat 1 of both sides have the spacer pin 1d in the hinge seat 1 of one side all the time in spacing in the hinge shaft groove 1a that corresponds through this anticreep pole subassembly 3, thereby can prevent effectively that door and window from taking place the separation.
An anti-falling rod assembly 3 is arranged on the door leaf a at a position between the hinge seat 1 at the position corresponding to the upper left corner and the hinge seat 1 at the position corresponding to the upper right corner, and the anti-falling rod assembly 3 is also arranged on the door leaf a at a position between the hinge seat 1 at the position corresponding to the lower left corner and the hinge seat 1 at the position corresponding to the lower right corner; the anti-falling rod assembly 3 comprises an anti-falling ejector rod 3a and an anti-falling ejector rod mounting seat 3b, and the anti-falling ejector rod 3a is mounted on the door leaf a in a left-right freely movable manner through the anti-falling ejector rod mounting seat 3 b; the hinge seat 1 at the upper left corner and the hinge seat 1 at the upper right corner are arranged on the door leaf a in a back way, and when the limiting pin 1d in the hinge seat 1 at the upper left corner is just completely pressed back into the hinge seat 1 at the upper left corner by the hinge shaft 2 at the upper left corner in the left side opening process of the door leaf a, one end of the corresponding anti-falling ejector rod 3a is propped against the tail end face of the limiting pin 1d in the hinge seat 1 at the upper left corner, and the other end of the corresponding anti-falling ejector rod 3a is propped against the tail end face of the limiting pin 1d in the hinge seat 1 at the upper right corner; in the process of opening the right side of the door leaf a, when the limit pin 1d in the hinge seat 1 at the upper right corner is just completely pressed back into the hinge seat 1 at the upper right corner by the hinge shaft 2 at the upper right corner, one end of the corresponding anti-falling ejector rod 3a is abutted against the tail end face of the limit pin 1d in the hinge seat 1 at the upper right corner, and the other end of the corresponding anti-falling ejector rod 3a is abutted against the tail end face of the limit pin 1d in the hinge seat 1 at the upper left corner; the hinge seat 1 at the lower left corner and the hinge seat 1 at the lower right corner are arranged on the door leaf a in a back way, and when the limiting pin 1d in the hinge seat 1 at the lower left corner is just completely pressed back into the hinge seat 1 at the lower left corner by the hinge shaft 2 at the lower left corner in the left side opening process of the door leaf a, one end of the corresponding anti-falling ejector rod 3a is propped against the tail end face of the limiting pin 1d in the hinge seat 1 at the lower left corner, and the other end of the corresponding anti-falling ejector rod 3a is propped against the tail end face of the limiting pin 1d in the hinge seat 1 at the lower right corner; in the right side opening process of the door leaf a, when the limit pin 1d in the hinge seat 1 at the lower right corner is just completely pressed back into the hinge seat 1 at the lower right corner by the hinge shaft 2 at the lower right corner, one end of the corresponding anti-drop ejector rod 3a abuts against the tail end face of the limit pin 1d in the hinge seat 1 at the lower right corner, and the other end of the corresponding anti-drop ejector rod 3a abuts against the tail end face of the limit pin 1d in the hinge seat 1 at the lower left corner. The added anti-drop rod component 3 can limit the corresponding hinge shaft 2 in the corresponding hinge shaft slot 1a by the limit pin 1d in the hinge seat 1 on one side in the hinge seats 1 on two sides all the time, thereby effectively preventing the door and window from being separated. (see FIGS. 10-16).
As shown in fig. 10 and 16, the head of the limit pin 1d in the hinge base 1 at the upper left corner of the door leaf a is clamped below or above the joint of the corresponding hinge shaft 2 and the anti-falling limit shaft 2a, and correspondingly, the head of the limit pin 1d in the hinge base 1 at the upper left and lower corners of the door leaf a is clamped above or below the joint of the corresponding hinge shaft 2 and the anti-falling limit shaft 2 a. The head of the limit pin 1d in the hinge seat 1 at the upper right corner of the door leaf a is clamped below or above the joint part of the corresponding hinge shaft 2 and the anti-falling limit shaft 2a, and correspondingly, the head of the limit pin 1d in the hinge seat 1 at the lower right corner of the door leaf a is clamped above or below the joint part of the corresponding hinge shaft 2 and the anti-falling limit shaft 2 a. By this design, the displacement of the door leaf a or the window sash along the hinge axis 2 can be effectively prevented (see fig. 11 and 12).
As shown in fig. 10 and 15, an anti-drop rod assembly 3 is arranged between a hinge seat 1 at the upper left corner and a hinge seat 1 at the upper right corner on a door leaf a, the anti-drop rod assembly 3 comprises an anti-drop ejector rod 3a and an anti-drop ejector rod mounting seat 3b, the anti-drop ejector rod 3a is mounted on the door leaf a in a left-right freely movable manner through the anti-drop ejector rod mounting seat 3b, when the left side of the door leaf a is opened, a limiting pin 1d in the hinge seat 1 at the upper left corner is just completely pressed back into the hinge seat 1 by a hinge shaft 2, one end of the anti-drop ejector rod 3a is propped against the tail end face of the limiting pin 1d at the upper left corner, and the other end of the anti-drop ejector rod 3a is propped against the tail end face of the limiting pin 1d at the upper right corner, so that the limiting pin 1d at the upper right corner is propped against the anti-drop ejector rod 3a and cannot retract into the hinge seat 1, and therefore, the limiting pin 1d at only one side can be completely pressed back into the hinge seat 1 by the hinge shaft 2, and the door leaf a can be effectively prevented from being completely separated from the door leaf b when the two sides are simultaneously stressed; similarly, in the right side opening process of the door leaf a, when the limiting pin 1d in the hinge seat 1 at the right upper corner is just completely pressed back into the hinge seat 1 by the hinge shaft 2, one end of the anti-falling ejector rod 3a is propped against the tail end face of the limiting pin 1d at the right upper corner, and the other end of the anti-falling ejector rod 3a is propped against the tail end face of the limiting pin 1d at the left upper corner, so that the limiting pin 1d at the left upper corner is propped against by the anti-falling ejector rod 3a and cannot retract into the hinge seat 1, thereby ensuring that only one limiting pin 1d at one side can be completely pressed back into the hinge seat 1 by the hinge shaft 2 all the time, and further effectively preventing the door leaf a from being completely separated from the door frame b when two sides of the door leaf a are stressed simultaneously. An anti-drop rod assembly 3 is also arranged between the hinge seat 1 at the upper left lower corner and the hinge seat 1 at the right lower corner of the door leaf a, the anti-drop rod assembly 3 also comprises an anti-drop ejector rod 3a and an anti-drop ejector rod mounting seat 3b, the anti-drop ejector rod 3a is arranged on the door leaf a in a left-right freely movable manner through the anti-drop ejector rod mounting seat 3b, when the left side of the door leaf a is opened, a limiting pin 1d in the hinge seat 1 at the left lower corner is just completely pressed back into the hinge seat 1 by a hinge shaft 2, one end of the anti-drop ejector rod 3a is propped against the tail end face of the limiting pin 1d at the left lower corner, and the other end of the anti-drop ejector rod 3a is propped against the tail end face of the limiting pin 1d at the right lower corner, so that the limiting pin 1d at the right lower corner is propped against the anti-drop ejector rod 3a can not retract into the hinge seat 1, and only one side of the limiting pin 1d can be completely pressed back into the hinge seat 1 by the hinge shaft 2, and the door leaf a can be effectively prevented from being completely separated from the door frame b when both sides of the door leaf a are stressed simultaneously; similarly, in the right side opening process of the door leaf a, when the limiting pin 1d in the hinge seat 1 at the right lower corner is just completely pressed back into the hinge seat 1 by the hinge shaft 2, one end of the anti-falling ejector rod 3a is propped against the tail end face of the limiting pin 1d at the right lower corner, and the other end of the anti-falling ejector rod 3a is propped against the tail end face of the limiting pin 1d at the left lower corner, so that the limiting pin 1d at the left lower corner is propped against by the anti-falling ejector rod 3a and cannot retract into the hinge seat 1, thereby ensuring that only one limiting pin 1d at one side can be completely pressed back into the hinge seat 1 by the hinge shaft 2 all the time, and further effectively preventing the door leaf a from being completely separated from the door frame b when two sides of the door leaf a are stressed simultaneously. (see fig. 11 and 12).
According to the embodiment, the hinge shaft 2 is limited in the hinge shaft slot 1a through the elastically telescopic limiting pin 1d, so that when the left side of the door and window is opened, the left hinge seat 1 moves outwards under the action of a pulling force, and the pulling force can enable the left hinge shaft 2 and the left anti-falling limiting shaft slot 1b to move relatively, so that the left hinge shaft 2 forcibly presses the left limiting pin 1d back into the left hinge seat 1, the left hinge shaft 2 is completely separated from the limit of the left limiting pin 1d, the left side of the door and window is finally opened, meanwhile, the right hinge seat 1 can rotate around the right hinge shaft 2 to realize a hinge function, and the right anti-falling limiting shaft 2a can be clamped into the anti-falling limiting shaft slot 1b to prevent separation between the right hinge seat 1 and the right hinge shaft 2; similarly, when the right side of the door and window is opened, the right hinge seat 1 moves outwards under the action of a tensile force, and the tensile force enables the right hinge shaft 2 and the right anti-falling limiting shaft slot 1b to move relatively, so that the right hinge shaft 2 forcibly presses the right limiting pin 1d back into the right hinge seat 1, the right hinge shaft 2 is completely separated from the limit of the right limiting pin 1d, the right side of the door and window is finally opened, meanwhile, the left hinge seat 1 rotates around the left hinge shaft 2 to realize the hinge function, and the left anti-falling limiting shaft 2a is clamped into the anti-falling limiting shaft slot 1b to prevent separation between the left hinge seat 1 and the left hinge shaft 2.
Meanwhile, in the embodiment, the clamping parts of the limiting pins 1d in the upper hinge seat 1 and the lower hinge seat 1 on the same side of the door and the window are designed to be opposite or opposite, so that the door leaf a or the window sash can be prevented from being displaced along the hinge shaft 2; by designing the anti-falling limiting shaft 2a to be arranged perpendicular to the hinge shaft 2, the anti-falling limiting shaft 2a can be conveniently and reliably clamped into the anti-falling limiting shaft slot 1b, and in the use process, the stress of the anti-falling limiting shaft 2a is more balanced; the added hinge shaft mounting block 2b facilitates the mounting of the hinge shaft 2.
Moreover, the present embodiment facilitates the rotation of the hinge base 1 about the hinge shaft 2 by designing the hinge shaft slot 1a as a U-shaped structure and designing the diameter of the arc-shaped bottom of the U-shaped structure to match the diameter of the hinge shaft 2; by designing the width D of the anti-falling limit shaft slot 1b to match the diameter of the anti-falling limit shaft 2a, the hinge seat 1 can be effectively prevented from being displaced along the axial direction of the hinge shaft 2 when the mechanical hinge is in the open state.
Finally, in the embodiment, the head of the limiting pin 1d is designed to be in a conical structure, so that the limiting pin 1d can be conveniently forced to be pressed back into the hinge seat 1 by the hinge shaft 2; the locating pin mounting hole 1e is matched with the spring pressing plate 1f, so that the locating pin 1d is convenient to mount and maintain in the later period; through adding and establishing dodging the hole on spring clamp plate 1f to pass the afterbody of spacer pin 1d dodges the hole and outwards extend, like this, can add between the hinge seat 1 of door and window upper portion and/or lower part both sides and set up anticreep pole subassembly 3, can make the hinge seat 1 of both sides have the spacer pin 1d in the hinge seat 1 of one side all the time in spacing in the hinge shaft groove 1a that corresponds through this anticreep pole subassembly 3, thereby can prevent effectively that door and window from taking place the separation.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (8)

1. The bidirectional opening and closing door comprises a door leaf (a) and a door frame (b), and is characterized in that four corners of the door leaf (a) are respectively provided with a hinge seat (1), corresponding positions on the door frame (b) are respectively provided with a hinge shaft (2) matched with the hinge seat (1),
The hinge comprises a hinge seat (1), wherein the hinge seat is characterized in that an anti-falling limiting shaft (2 a) is arranged on the hinge shaft (2), a hinge shaft groove (1 a) matched with the hinge shaft (2) is arranged on the side wall of the hinge end of the hinge seat (1), the hinge shaft (2) is clamped in the hinge shaft groove (1 a), an anti-falling limiting shaft groove (1 b) matched with the anti-falling limiting shaft (2 a) is arranged on the end face of the hinge end of the hinge seat (1) corresponding to the anti-falling limiting shaft (2 a), the anti-falling limiting shaft groove (1 b) is communicated with the hinge shaft groove (1 a), a limiting pin (1 d) with a reset spring (1 c) is arranged in the hinge seat (1), and the head of the limiting pin (1 d) stretches into the hinge shaft groove (1 a) and limits the hinge shaft (2) in the hinge shaft groove (1 a);
When the hinge seat (1) and the corresponding hinge shaft (2) are in a closed state, the anti-falling limiting shaft (2 a) is positioned in the corresponding hinge shaft slot (1 a), and when the hinge seat (1) and the corresponding hinge shaft (2) are in an open state, the anti-falling limiting shaft (2 a) is clamped in the corresponding anti-falling limiting shaft slot (1 b);
the head of a limiting pin (1 d) in the hinge seat (1) at the upper left corner is clamped below or above the joint position of the hinge shaft (2) at the upper left corner and the corresponding anti-falling limiting shaft (2 a), and correspondingly, the head of the limiting pin (1 d) in the hinge seat (1) at the lower left corner is clamped above or below the joint position of the hinge shaft (2) at the lower left corner and the corresponding anti-falling limiting shaft (2 a);
The head of a limiting pin (1 d) in the hinge seat (1) at the upper right corner is clamped below or above the joint position of the hinge shaft (2) at the upper right corner and the corresponding anti-falling limiting shaft (2 a), and correspondingly, the head of the limiting pin (1 d) in the hinge seat (1) at the lower right corner is clamped above or below the joint position of the hinge shaft (2) at the lower right corner and the corresponding anti-falling limiting shaft (2 a);
The anti-falling limiting shaft (2 a) is vertically arranged in the middle of the corresponding hinge shaft (2), and one end of the hinge shaft (2) is provided with a hinge shaft mounting block (2 b).
2. A two-way opening and closing door according to claim 1, characterized in that the hinge shaft slot (1 a) has a U-shaped structure, the diameter of the arc-shaped bottom of which matches the diameter of the corresponding hinge shaft (2).
3. The bidirectional opening and closing door according to claim 1, wherein the width D of the anti-falling limit shaft groove (1 b) is matched with the diameter of the corresponding anti-falling limit shaft (2 a).
4. A two-way opening and closing door according to claim 1, characterized in that the head of the limit pin (1 d) is of conical structure.
5. The bidirectional opening and closing door according to claim 4, wherein the tail part of the limiting pin (1 d) is of a columnar structure, and a limiting boss (1 d 1) is arranged between the tail part of the limiting pin (1 d) and the head part of the limiting pin (1 d);
A limiting pin mounting hole (1 e) for mounting the limiting pin (1 d) is formed in the end face of the mounting end of the hinge seat (1), the limiting pin mounting hole (1 e) is communicated with the hinge shaft slot (1 a), the aperture of the communicating part of the limiting pin mounting hole (1 e) and the hinge shaft slot (1 a) is larger than the maximum diameter of the head part of the limiting pin (1 d), and the aperture of the communicating part of the limiting pin mounting hole (1 e) and the hinge shaft slot (1 a) is smaller than the diameter of the limiting boss (1 d 1);
The limiting pin (1 d) is movably inserted into the limiting pin mounting hole (1 e), the reset spring (1 c) is sleeved at the tail of the limiting pin (1 d), a spring pressing plate (1 f) is covered on the end face of the mounting end of the hinge base (1), one end of the reset spring (1 c) abuts against the limiting boss (1 d 1), and the other end of the reset spring (1 c) abuts against the spring pressing plate (1 f).
6. The two-way opening and closing door according to claim 5, characterized in that the head of the limit pin (1 d) can be completely retracted into the corresponding limit pin mounting hole (1 e).
7. The bidirectional opening and closing door according to claim 5, wherein the spring pressing plate (1 f) is provided with an avoidance hole at a position corresponding to the tail part of the limiting pin (1 d), and the tail part of the limiting pin (1 d) passes through the corresponding avoidance hole and extends outwards.
8. The bidirectional opening and closing door according to claim 7, wherein an anti-falling rod assembly (3) is arranged on the door leaf (a) at a position between the hinge seat (1) at the upper left corner and the hinge seat (1) at the upper right corner, and an anti-falling rod assembly (3) is also arranged on the door leaf (a) at a position between the hinge seat (1) at the lower left corner and the hinge seat (1) at the lower right corner;
The anti-falling rod assembly (3) comprises an anti-falling ejector rod (3 a) and an anti-falling ejector rod mounting seat (3 b), and the anti-falling ejector rod (3 a) is mounted on the door leaf (a) in a left-right freely movable manner through the anti-falling ejector rod mounting seat (3 b);
The hinge seat (1) at the upper left corner and the hinge seat (1) at the upper right corner are arranged on the door leaf (a) in a back way, and in the left side opening process of the door leaf (a), when the limiting pin (1 d) in the hinge seat (1) at the upper left corner is just completely pressed back into the hinge seat (1) at the upper left corner by the hinge shaft (2) at the upper left corner, one end of the corresponding anti-falling ejector rod (3 a) is propped against the tail end face of the limiting pin (1 d) in the hinge seat (1) at the upper left corner, and the other end of the corresponding anti-falling ejector rod (3 a) is propped against the tail end face of the limiting pin (1 d) in the hinge seat (1) at the upper right corner; in the right side opening process of the door leaf (a), when a limiting pin (1 d) in a hinge seat (1) at the upper right corner is just completely pressed back into the hinge seat (1) at the upper right corner by a hinge shaft (2) at the upper right corner, one end of a corresponding anti-falling ejector rod (3 a) is propped against the tail end face of the limiting pin (1 d) in the hinge seat (1) at the upper right corner, and the other end of the corresponding anti-falling ejector rod (3 a) is propped against the tail end face of the limiting pin (1 d) in the hinge seat (1) at the upper left corner;
The hinge seat (1) at the lower left corner and the hinge seat (1) at the lower right corner are arranged on the door leaf (a) in a back-to-back way, and when the limiting pin (1 d) in the hinge seat (1) at the lower left corner is just completely pressed back into the hinge seat (1) at the lower left corner by the hinge shaft (2) at the lower left corner in the left side opening process of the door leaf (a), one end of the corresponding anti-falling ejector rod (3 a) is propped against the tail end face of the limiting pin (1 d) in the hinge seat (1) at the lower left corner, and the other end of the corresponding anti-falling ejector rod (3 a) is propped against the tail end face of the limiting pin (1 d) in the hinge seat (1) at the lower right corner; in the right side opening process of the door leaf (a), when the limiting pin (1 d) in the hinge seat (1) at the lower right corner is just completely pressed back into the hinge seat (1) at the lower right corner by the hinge shaft (2) at the lower right corner, one end of the corresponding anti-falling ejector rod (3 a) is propped against the tail end face of the limiting pin (1 d) in the hinge seat (1) at the lower right corner, and the other end of the corresponding anti-falling ejector rod (3 a) is propped against the tail end face of the limiting pin (1 d) in the hinge seat (1) at the lower left corner.
CN201910422067.7A 2019-05-21 2019-05-21 Bidirectional opening and closing door Active CN110230447B (en)

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CN113991484B (en) * 2021-11-04 2023-12-29 武汉市工程科学技术研究院 Dampproofing outdoor low-voltage AC switch board

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JPH0578868U (en) * 1992-03-26 1993-10-26 株式会社長澤製作所 Door hinge
CN201381724Y (en) * 2009-04-07 2010-01-13 宁波永发集团有限公司 Conveniently-installed gemel for safes
CN206753292U (en) * 2017-05-08 2017-12-15 合肥雪祺电气有限公司 Refrigerator doors hinge and refrigerator
KR101950877B1 (en) * 2018-05-15 2019-02-21 이장우 Floor hinge apparatus
CN210659640U (en) * 2019-05-21 2020-06-02 武汉市工程科学技术研究院 Two-way opening and closing door

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