CN217812956U

CN217812956U - Door and window hinge

Info

Publication number: CN217812956U
Application number: CN202221194712.8U
Authority: CN
Inventors: 谢晓东; 吴晓东; 黄汉尚; 谢晓楠
Original assignee: Foshan Hepu Metal Technology Co ltd; Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd
Current assignee: Foshan Hepu Metal Technology Co ltd; Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-15
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a door and window hinge, including frame connecting piece, fan connecting piece and link assembly, link assembly is including first connecting rod, second connecting rod and third connecting rod, carry out the pin joint through first pin joint point between the one end of first connecting rod and the frame connecting piece, carry out the pin joint through third pin joint point between the other end of this first connecting rod and the tip of third connecting rod, simultaneously the middle part of this first connecting rod and the second connecting rod middle part carry out the pin joint and sliding fit through second pin joint point, the one end of second connecting rod carries out the pin joint through fourth pin joint and fan connecting piece, and the other end of this second connecting rod is through fifth pin joint and frame connecting piece pin joint, the other end of third connecting rod carries out the pin joint through sixth pin joint and fan connecting piece; when the door and window hinge is closed, the first pivot point, the second pivot point and the fifth pivot point are all positioned on the same vertical line, so that the hinge is favorably kept stressed stably, and the movement trend of opening the window sash caused by dislocation of the pivot points is avoided.

Description

Door and window hinge

Technical Field

The utility model relates to a building five metals technical field especially relates to a door and window hinge.

Background

Most of the existing hinges in the market are of four-bar structures, when the hinges are used for an upper-suspension window, stress points of all rod pieces of the hinges are not in the same vertical direction, and a window sash tends to move outwards due to the action of gravity, so that the sealing performance of the window sash is influenced.

Disclosure of Invention

An object of the utility model is to overcome prior art's is not enough, provides a stable in structure is reliable, and the atress design science can avoid door and window to produce the motion trend of opening under the natural commentaries on classics attitude, ensures the door and window hinge of door and window leakproofness.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: a door and window hinge comprises a frame connecting piece for connecting a frame body, a sash connecting piece for connecting a sash body and a connecting rod assembly connected to the frame connecting piece and the sash connecting piece, wherein the connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod; when the door and window hinge is closed, the first pivot point, the second pivot point and the fifth pivot point are all on the same vertical line.

The utility model has the advantages that: the utility model discloses a door and window hinge, its link assembly have first connecting rod, second connecting rod and third connecting rod, and its three-bar linkage structure can let the structure of hinge more stable, and it is bigger to make door leaf and casement open the angle scope. When the door and window hinge closed in addition, first pivot point, second pivot point and fifth pivot point all are in same vertical line, adopt the benefit of above-mentioned structure to lie in enabling the atress of first pivot point, second pivot point and fifth pivot point and be in same straight line, be favorable to letting the hinge keep the atress stable, avoid leading to the motion trend that the casement produced the opening because of the pivot point dislocation, be favorable to keeping the leakproofness of door leaf or casement.

Preferably, when the door/window hinge is closed, the third pivot point, the fourth pivot point and the sixth pivot point are all located on the same vertical line, and the third pivot point, the fourth pivot point and the sixth pivot point are located on one side of the opening direction of the door/window hinge relative to the first pivot point, the second pivot point and the fifth pivot point. When the door and window hinge is closed, the third pivot point, the fourth pivot point and the sixth pivot point are all positioned on the same vertical line, the stress can be further stabilized, the movement trend of opening the window sash due to the dislocation of the pivot points is further avoided, and the sealing performance of the door leaf or the window sash is favorably maintained.

Preferably, the counterweight of the first and second links is larger than the fan link and the third link. When the counter weights of the first connecting rod and the second connecting rod are larger than the sash connecting piece and the third connecting rod, the resistance required to be overcome when the door and window hinge is opened is larger, and the sealing of the sash or the door leaf is more favorably kept.

Preferably, the second connecting rod is provided with a guide groove, and the guide groove is in sliding fit with the second pivot point. The guide groove can guide the second pivot point to perform sliding adjustment in the opening and closing process of the door and window hinge.

Preferably, the first connecting rod is formed with a first bending portion, the first bending portion is bent towards the direction of the fan connecting piece, the second connecting rod is formed with a second bending portion, the second bending portion is bent towards the direction of the fan connecting piece, and the first bending portion and the second bending portion are vertically symmetrical in bending direction. The third pivot point and the fourth pivot point can be kept on the same vertical line through the first bending part and the second bending part.

Preferably, the second pivot point includes a rivet, a shaft sleeve and a gasket, the rivet is riveted with the first connecting rod and the second connecting rod, the shaft sleeve is sleeved outside the rivet and is in sliding fit with the guide groove, and the gasket is arranged between the first connecting rod and the second connecting rod and is penetrated by the rivet. Through the shaft sleeve, sliding fit between the second pivoting point and the guide groove can be realized, and abrasion of the rivet is reduced. The shim also reduces wear between the first and second links.

Preferably, the end part of the fan connecting piece is provided with a connection, and the connecting plate and the fan connecting piece are matched to form an L-shaped structure. The connecting plate can be used for connecting the fan connecting piece with the corners of the window sash or the door leaf sectional material, so that the connecting stability is improved.

Preferably, a convex arc protruding out of the fan connecting piece is formed at a corner between the fan connecting piece and the connecting plate. Because the connecting plate adopts the technology processing of bending to form usually, consequently the corner between connecting plate and the fan connecting piece is the fillet, and the corner of casement is the right angle usually, and both corners can hinder each other when casement and fan connecting piece assemble and lead to fan connecting piece and connecting plate can not closely laminate with casement both sides limit simultaneously, the utility model provides a right angle bight of casement can be dodged to the protruding arc to make fan connecting piece and connecting plate closely laminate with casement both sides limit respectively, make the installation effect better.

Drawings

Fig. 1 is a front view of the present invention in an open state.

Fig. 2 is a front view of the present invention in a closed state.

Fig. 3 is a side sectional view of the second pivot point of the present invention.

Fig. 4 is an assembly view of the present invention with the fan body and the frame body.

Fig. 5 is a partial schematic view of the present invention assembled with a window sash.

The window comprises a frame connecting piece 1, a sash connecting piece 2, a connecting plate 21, a convex arc 22, a first connecting rod 31, a first bending part 311, a second connecting rod 32, a guide groove 321, a second bending part 322, a third connecting rod 33, a first pivot point 41, a second pivot point 42, a rivet 421, a shaft sleeve 422, a gasket 423, a third pivot point 43, a fourth pivot point 44, a fifth pivot point 45, a sixth pivot point 46, a window frame 5 and a window sash 6.

Detailed Description

The claimed technical solution of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, the door and window hinge of the present embodiment includes a frame connector 1 for connecting a frame body, a sash connector 2 for connecting a sash body, and a link assembly connected to the frame connector 1 and the sash connector 2.

In this embodiment, a connection plate 21 is formed at an end of the sash connection member 2, the connection plate 21 and the sash connection member 2 are matched to form an L-shaped structure, a convex arc 22 protruding out of the sash connection member 2 is formed at a corner between the sash connection member 2 and the connection plate 21, and the connection plate 21 can be used to connect the sash connection member 2 to a corner of the window sash 6 or a door leaf profile, thereby improving connection stability.

In this embodiment, the link assembly includes a first link 31, a second link 32 and a third link 33, one end of the first link 31 is pivotally connected to the frame connecting member 1 through a first pivot point 41, the other end of the first link is pivotally connected to an end of the third link through a third pivot point 43, a middle portion of the first link 31 is pivotally connected to a middle portion of the second link 32 through a second pivot point 42 and is slidably engaged with the middle portion of the first link 31, specifically, the second link 32 is provided with a guide groove 321, the guide groove 321 is slidably engaged with the second pivot point 42, the second pivot point 42 includes a rivet 421, a bushing 422 and a gasket 423, the rivet 421 is simultaneously riveted to the first link 31 and the second link 32, the bushing 422 is sleeved outside the rivet 421 and is slidably engaged with the guide groove 321, the gasket 423 is disposed between the first link 31 and the second link 32 and is penetrated by the rivet 421, and the bushing 422 can achieve sliding engagement between the second pivot point 42 and the guide groove 321 and reduce wear of the rivet 421. The washer 423 can reduce the wear between the first link 31 and the second link 32 as well.

One end of the second link 32 is pivotally connected to the fan connecting member 2 through a fourth pivot point 44, and the other end of the second link 32 is pivotally connected to the frame connecting member 1 through a fifth pivot point 45.

The other end of the third link 33 is pivotally connected to the fan link 2 through a sixth pivot point 46.

In this embodiment, the first link 31 is formed with a first bending portion 311, the first bending portion 311 is bent toward the fan-shaped connector 2, the second link 32 is formed with a second bending portion 322, the second bending portion 322 is bent toward the fan-shaped connector 2, and the bending directions of the first bending portion 311 and the second bending portion 322 are vertically symmetrical.

The door and window hinge in this embodiment is used as follows:

when the door and window hinge is opened, the first link 31, the second link 32 and the third link 33 are unfolded, and the connecting rod assembly has a three-link structure of the first link 31, the second link 32 and the third link 33, so that the sash connecting member 2 and the window sash 6 or the door leaf can be stably supported by the connecting rod assembly, and the adjustable angle range when the door and window hinge is opened is larger.

When the door/window hinge is closed, the first pivot point 41, the second pivot point 42 and the fifth pivot point 45 are all located on the same vertical line, the third pivot point 43, the fourth pivot point 44 and the sixth pivot point 46 are all located on the other same vertical line, the third pivot point 43, the fourth pivot point 44 and the sixth pivot point 46 are all located on the same vertical line, and the third pivot point 43, the fourth pivot point 44 and the sixth pivot point 46 are located on one side of the opening direction of the door/window hinge relative to the first pivot point 41, the second pivot point 42 and the fifth pivot point 45. The structure is beneficial to keeping the hinge stressed stably, avoiding the window sash 6 from generating the motion trend of opening due to the dislocation of the pivot joint, and keeping the tightness of the door leaf or the window sash 6. Meanwhile, the counter weights of the first connecting rod 31 and the second connecting rod 32 are larger than those of the sash connecting piece 2 and the third connecting rod 33, so that the resistance required to be overcome when the door and window hinge is opened is larger, and the sealing of the sash 6 or the door leaf is more favorably kept.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. The utility model provides a door and window hinge, is used for connecting frame connecting piece (1) of framework, fan connecting piece (2) of fan body and connect in the link assembly of frame connecting piece (1) and fan connecting piece (2), its characterized in that including: the connecting rod assembly comprises a first connecting rod (31), a second connecting rod (32) and a third connecting rod (33), one end of the first connecting rod (31) is pivoted with the frame connecting piece (1) through a first pivoting point (41), the other end of the first connecting rod is pivoted with the end part of the third connecting rod through a third pivoting point (43), meanwhile, the middle part of the first connecting rod (31) is pivoted with the middle part of the second connecting rod (32) through a second pivoting point (42) and is in sliding fit with the middle part of the second connecting rod, one end of the second connecting rod (32) is pivoted with the fan connecting piece (2) through a fourth pivoting point (44), the other end of the second connecting rod (32) is pivoted with the frame connecting piece (1) through a fifth pivoting point (45), and the other end of the third connecting rod (33) is pivoted with the fan connecting piece (2) through a sixth pivoting point (46); when the door and window hinge is closed, the first pivot point (41), the second pivot point (42) and the fifth pivot point (45) are all on the same vertical line.

2. A door and window hinge according to claim 1, wherein: when the door and window hinge is closed, the third pivot point (43), the fourth pivot point (44) and the sixth pivot point (46) are all located on the same vertical line, and the third pivot point (43), the fourth pivot point (44) and the sixth pivot point (46) are located on one side of the opening direction of the door and window hinge relative to the first pivot point (41), the second pivot point (42) and the fifth pivot point (45).

3. A door and window hinge according to claim 2, wherein: the balance weights of the first connecting rod (31) and the second connecting rod (32) are larger than those of the fan connecting piece (2) and the third connecting rod (33).

4. A door and window hinge according to claim 1, wherein: the second connecting rod (32) is provided with a guide groove (321), and the guide groove (321) is in sliding fit with the second pivot point (42).

5. A door and window hinge according to claim 1, wherein: first connecting rod (31) are formed with first portion of bending (311), first portion of bending (311) are bent to fan connecting piece (2) place direction, second connecting rod (32) are formed with second portion of bending (322), second portion of bending (322) are bent to fan connecting piece (2) place direction, and the direction longitudinal symmetry of bending of first portion of bending (311) and second portion of bending (322).

6. A door and window hinge according to claim 4, wherein: the second pivot point (42) comprises a rivet (421), a shaft sleeve (422) and a gasket (423), the rivet (421) is riveted with the first connecting rod (31) and the second connecting rod (32) at the same time, the shaft sleeve (422) is sleeved outside the rivet (421) and is in sliding fit with the guide groove (321) at the same time, and the gasket (423) is arranged between the first connecting rod (31) and the second connecting rod (32) and is penetrated by the rivet (421).

7. A door and window hinge according to claim 1, wherein: the fan connecting piece (2) is characterized in that a connecting plate (21) is formed at the end part of the fan connecting piece (2), and the connecting plate (21) is matched with the fan connecting piece (2) to form an L-shaped structure.

8. A door and window hinge according to claim 1, wherein: a convex arc (22) protruding out of the outer side of the fan connecting piece (2) is formed at the corner between the fan connecting piece (2) and the connecting plate (21).