CN108425578B

CN108425578B - Double-shaft multi-folding hinge

Info

Publication number: CN108425578B
Application number: CN201810318758.8A
Authority: CN
Inventors: 舒妙林; 王晶
Original assignee: Zhejiang Zhonghao Security Technology Co ltd
Current assignee: Zhejiang Zhonghao Security Technology Co ltd
Priority date: 2018-02-01
Filing date: 2018-04-11
Publication date: 2024-05-24
Anticipated expiration: 2038-04-11
Also published as: CN108425578A; CN208152805U

Abstract

The invention provides a double-shaft multi-fold hinge, and belongs to the technical field of door surface installation. The door solves the problems that the existing door connected by the common hinge cannot continue to rotate when meeting the retaining wall, the rotation angle is small and the like. The door comprises a bent sheet, a rotating sheet, a first rotating shaft and a second rotating shaft, wherein the first rotating shaft of the bent sheet is hinged with a door frame, the rotating sheet is hinged with the bent sheet through the second rotating shaft, one side of the rotating sheet is a fixed surface, the side edge of the door is fixedly attached, the other side of the rotating sheet is an attaching surface, a detachable fixing structure is arranged between the bent sheet and the rotating sheet, and the detachable fixing structure can enable the attaching surface of the rotating sheet and the back surface of the bent sheet along the door opening direction to be attached together or separated from each other so as to be capable of relatively and freely rotating around the second rotating shaft. The invention has the advantages of realizing wide-angle door opening, effectively improving the utilization rate of the door frame space and having good universality.

Description

Double-shaft multi-folding hinge

Technical Field

The invention belongs to the technical field of door surface installation, relates to a connecting piece of a door and a door frame, and particularly relates to a double-shaft multi-fold hinge.

Background

The existing hinges for connecting the door and the door frame are generally two-fold, because the door has a certain thickness, when the door is opened, the door can completely rotate out of the opening range of the door frame only when the rotation angle is larger than or equal to 180 degrees, but a plurality of existing doors are provided with retaining walls at the back, such as a plurality of indoor single-door rooms, the retaining walls are close to the door frame and are generally perpendicular to the plane of the door frame, the door can not rotate after touching the retaining walls, the rotation angle of the door is smaller than 180 degrees, and therefore, the door can not completely rotate out of the opening range of the door frame, and a certain door frame using space is wasted.

Disclosure of Invention

The invention aims to solve the problems of the existing hinge, and provides a double-shaft multi-fold hinge which can realize large-angle door opening, effectively improve the space utilization rate of a door frame and has good universality.

The aim of the invention can be achieved by the following technical scheme:

The utility model provides a biax is many to roll over hinge, a serial communication port, including bending over paper, the page or leaf rotates, first pivot and second pivot, it is articulated with the door frame that the page or leaf one end of buckling is passed through first pivot, it is articulated with the other end of bending over paper that the page or leaf is passed through the second pivot, first pivot is parallel with the second pivot, one side of rotating the page or leaf is the stationary plane, the side laminating of AND gate is fixed, the opposite side is the fitting surface, be equipped with detachable fixed knot between bending over paper and the page or leaf, detachable fixed knot constructs can make the fitting surface of rotating the page or leaf and the back laminating of buckling the page or leaf along the direction of opening the door fix together or the mutual separation and can rotate around the second pivot relatively freely.

In the above double-shaft multi-fold hinge, the inner periphery of the door frame is provided with a concave groove, the first rotating shaft is arranged in the groove, and the hinge extends out of the groove from the first rotating shaft and then bends and extends towards the rotating direction of the hinge when the door is opened.

In the above-mentioned double-shaft multi-fold hinge, the relative rotation energy of the bent hinge and the rotating page is combined to form a structure with a cross section of a 5 shape, the top transverse bar of the 5 shape corresponds to the cross section of the rotating page, the above-mentioned first rotating shaft is located at the end part of the lower end of the 5 shape, the lower edge of the top transverse bar of the 5 shape corresponds to a side surface of the rotating page, and the side surface is used for being attached to the side edge of the door.

In the above-mentioned biax multi-fold hinge, the page or leaf of buckling include first branch and second branch, first branch includes both sides piece and connects a cross-piece of both sides piece, both sides piece divide to establish in the both sides of cross-piece and all perpendicular with the cross-piece, the transversal of first branch personally submits "U" type, the second branch include regulating plate and connection piece, regulating plate and connection piece looks perpendicular, the transversal of second branch personally submits "U" type, wherein one side piece of first branch is connected above-mentioned first pivot, the opposite side piece is laminated mutually and is linked to each other through adjusting structure with the regulating plate, the regulating plate can be through the relative corresponding side piece of adjusting structure along the direction round trip movement of side piece perpendicular to above-mentioned cross-piece, the connection piece passes through above-mentioned second pivot and links to each other with above-mentioned page or leaf of turning.

In the double-shaft multi-fold hinge, the adjusting structure comprises an adjusting groove, a connecting hole and a threaded connecting piece, wherein the adjusting groove is formed in the corresponding side piece, the extending direction of the adjusting groove is consistent with the direction of the side piece perpendicular to the transverse piece, the connecting hole is formed in the adjusting piece, and the threaded connecting piece is connected with the corresponding side piece and the adjusting piece through the adjusting groove and the connecting hole.

In the double-shaft multi-fold hinge, the threaded connecting piece comprises a bolt and a nut in threaded connection with the bolt.

In the above double-shaft multi-fold hinge, the adjusting structure is provided with at least two adjusting structures.

In the double-shaft multi-fold hinge, the width of the side piece connected with the adjusting piece is larger than that of the other side piece.

In the above two-axis multi-fold hinge, the side edge of the side piece connected with the first rotation shaft is folded inwards.

In the double-shaft multi-fold hinge, the space of the groove can accommodate the hinge to be completely rotated into the space.

In the double-shaft multi-fold hinge, the detachable fixing structure comprises screws, through holes and screw holes in one-to-one correspondence, the through holes are formed in the connecting pieces, the screw holes are formed in the rotating pages, and one ends of the screws penetrate through the through holes and are in threaded connection with the screw holes.

Compared with the prior art, the invention can increase the door opening angle of the door and effectively ensure the space utilization rate of the door frame; the bent hinge can be attached to the rotary page and fixed with the door, and is used as a common two-fold hinge; the bending of the bent paper and the matching of the groove of the door frame can realize the hiding of the hinge when the door is closed, thereby being attractive and preventing the violent damage.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the door in the closed state of the present invention;

FIG. 3 is a schematic view of the structure of the present invention after the door is fully opened;

Fig. 4 is a schematic view showing the structure of the door when the present invention is used as a general two-fold hinge.

In the figure, 1, a rotating page; 2. a second rotating shaft; 3. a first rotating shaft; 4. a side panel; 5. a transverse sheet; 6. a regulating piece; 7. a connecting sheet; 8. an adjustment tank; 9. a connection hole; 10. a door; 11. a retaining wall; 12. and a door frame.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in FIG. 1, the double-shaft multi-fold hinge provided by the invention comprises a hinge, a rotary page 1, a first rotary shaft 3 and a second rotary shaft 2, wherein the hinge comprises a first part and a second part. The first subsection comprises two side pieces 4 and a transverse piece 5 connected with the two side pieces 4, the two side pieces 4 are respectively arranged on the left side and the right side of the transverse piece 5 and are perpendicular to the transverse piece 5, the cross section of the first subsection is U-shaped, the width of the left side piece 4 is larger than that of the right side piece 4, the edge of the right side piece 4 is folded inwards, and the first rotating shaft 3 is rotatably arranged at the edge of the right side piece 4; the second part comprises an adjusting piece 6 and a connecting piece 7, the adjusting piece 6 is vertical to the connecting piece 7, the cross section of the second part is in a shape of Chinese character 'ji', the adjusting piece 6 is attached to the left side piece 4 and is fixedly connected with the left side piece through an adjusting structure, and the left side edge of the connecting piece 7 is hinged with the rotating page 1 through a second rotating shaft 2; the first subsection and the second subsection are of an integrated structure. When the rotating leaf 1 rotates 90 degrees clockwise as shown in fig. 1, the cross section of the hinge is in a 5 shape, the top horizontal bar of the 5 shape corresponds to the rotating leaf 1, the front surface of the rotating leaf 1 is an attaching surface, the rear surface is a fixing surface, the fixing surface of the rotating leaf 1 is used for being attached to the side edge of the door 10, a plurality of countersinks are arranged on the rotating leaf 1, and one end of a screw penetrates through the countersinks from front to back and then is connected with the door 10.

The adjusting structure is arranged up and down and comprises an adjusting groove 8, a connecting hole 9 and a threaded connecting piece, the adjusting groove 8 is arranged on the left side piece 4, the adjusting groove 8 extends from front to back, the connecting hole 9 is arranged on the adjusting piece 6, the threaded connecting piece comprises a bolt and a nut in threaded connection with the bolt, and the bolt sequentially penetrates through the adjusting groove 8 and the connecting hole 9 and fixedly connects the side piece 4 with the adjusting piece 6 through the nut. The adjusting piece 6 can move the adjusting position back and forth along the adjusting groove 8 by unscrewing the nut. When the door 10 is thicker, the front-rear vertical distance between the two rotation points is increased by moving the adjusting plate 6 forward, so that the outward moving distance of the door 10 relative to the door frame 12 after the door is opened is increased.

The inner periphery of the door frame 12 is provided with a concave groove, when the hinge is installed, the first rotating shaft 3 is hidden and fixed in the groove, the bending page is hinged with the door frame through the first rotating shaft 3, the space of the groove can accommodate the hinge to be completely rotated into the groove, and as shown in fig. 2, in a door closing state, the hinge is completely hidden in the groove.

When the door 10 is opened, the door 10 drives the hinge from the state of fig. 2 to rotate anticlockwise around the first rotating shaft 3 through the rotating page 1, meanwhile, the rotating page 1 rotates clockwise around the second rotating shaft 2 relative to the hinge, when the outer side edge of the door meets the retaining wall 11, the door 10 can move rightwards along the retaining wall 11, so that the bending page and the rotating page 1 continue to rotate until the door 10 completely rotates out of the opening range of the door frame 12, as shown in fig. 3.

In the state of fig. 3, the rotating sheet 1 can rotate anticlockwise around the second rotating shaft 2 to enable the attaching surface of the rotating sheet 1 to be attached to the back surface of the connecting sheet 7 and be fixed together through a detachable fixing structure, the detachable fixing structure comprises screws, through holes and screw holes in one-to-one correspondence, the through holes are formed in the connecting sheet 7, the screw holes are formed in the rotating sheet 1, and one end of each screw penetrates through each through hole and then is in threaded connection with the screw hole. At this time, the hinge is used as a common two-fold hinge, as shown in fig. 4.

The hinge is applicable to the connection of windows, doors, cabinet doors or other doors.

It should be understood that in the claims and the description of the present invention, all "including … …" should be interpreted as an open meaning, i.e. as meaning equivalent to "at least … …", and not as a closed meaning, i.e. as meaning not including … … "only.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a biax is many to roll over hinge, a serial communication port, including the curved hinge, rotate page or leaf (1), first pivot (3) and second pivot (2), it is articulated with door frame (12) that the page or leaf one end of buckling is passed through first pivot (3), it is articulated with the other end of page or leaf of buckling to rotate page or leaf (1), first pivot (3) are parallel with second pivot (2), one side of rotating page or leaf (1) is the fixed surface, the side laminating of AND gate (10) is fixed, the opposite side is the laminating, be equipped with detachable fixed knot between curved hinge and the page or leaf (1), can make the laminating of rotating page or leaf (1) and curved hinge follow the back laminating of opening a door (10) direction together or mutually separating and can rotate around second pivot (2) relatively freely, the page or leaf of buckling include first subsection and second subsection, first subsection includes both sides piece (4) and connect a piece (5) of both sides piece (4), both sides piece (4) are established in the both sides of transversal piece (5) and are perpendicular with transversal piece (5), the cross section piece (7) is adjusted to the cross section (6 "", wherein cross section piece (7 "", opposite side piece (4) laminate mutually and link to each other through adjusting structure with adjusting piece (6), adjusting piece (6) can correspond side piece (4) through adjusting structure relatively along the direction round trip movement of side piece (4) perpendicular to above-mentioned violently piece (5), connection piece (7) link to each other with above-mentioned rotation page (1) through above-mentioned second pivot (2), detachable fixed knot constructs including screw, through-hole and the screw of one-to-one, and the through-hole is seted up on connection piece (7), and the screw is seted up on rotation page (1), and after passing the through-hole with screw threaded connection, screw one end.

2. A biaxial multi-fold hinge according to claim 1, wherein the inner periphery of the door frame (12) is provided with a concave groove, the first rotating shaft (3) is arranged in the concave groove, and the hinge is bent and extended from the position of the first rotating shaft (3) to the rotating direction of the hinge when the door (10) is opened after extending out of the concave groove.

3. A biaxial multi-fold hinge according to claim 2, characterized in that the hinge and the rotating leaf (1) are combined to form a structure with a cross section of "5", the top bar of "5" corresponds to the cross section of the rotating leaf (1), the first rotating shaft (3) is located at the end of the lower end of "5", the lower edge of the top bar of "5" corresponds to a side of the rotating leaf (1) and the side is used for abutting against the side edge of the door (10).

4. A biaxial multi-fold hinge according to claim 1,2 or 3, characterized in that the adjusting structure comprises an adjusting groove (8), a connecting hole (9) and a threaded connecting piece, wherein the adjusting groove (8) is arranged on the corresponding side piece (4), the extending direction of the adjusting groove (8) is consistent with the direction of the side piece (4) perpendicular to the transverse piece (5), the connecting hole (9) is arranged on the adjusting piece (6), and the threaded connecting piece connects the corresponding side piece (4) with the adjusting piece (6) through the adjusting groove (8) and the connecting hole (9).

5. A biaxial multi-fold hinge according to claim 1,2 or 3, characterized in that the width of the side piece (4) to which the above-mentioned regulating piece (6) is attached is larger than the width of the other side piece (4).

6. A biaxial multi-fold hinge according to claim 1,2 or 3, characterized in that the side edges of the side panels (4) connecting said first rotation axis (3) are folded inwards.

7. A biaxial multi-fold hinge according to claim 2 or 3 wherein the recess is spaced to accommodate the hinge fully rotated therein.