CN214835596U

CN214835596U - High-bearing three-connecting-rod door and window hinge

Info

Publication number: CN214835596U
Application number: CN202121280617.5U
Authority: CN
Inventors: 郭远明
Original assignee: Guangdong Jianxiang Construction Hardware Co ltd
Current assignee: Guangdong Jianxiang Construction Hardware Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-23
Anticipated expiration: 2031-06-08

Abstract

The utility model provides a high bearing three-link door and window hinge, the one end of first connecting rod articulates the left part at the bottom plate, mark as first pin joint, the other end articulates the end at the trailing arm, mark as the second pin joint, the one end of second connecting rod articulates on the bottom plate and is located the right side of first pin joint, mark as third hinge point, the other end articulates on the trailing arm and is close to the upside of second pin joint, mark as the fourth pin joint, on the articulated slider of one end of third connecting rod, mark as the fifth pin joint, the other end articulates on the trailing arm and is located the upside of fourth pin joint, when strutting relatively between bottom plate and the trailing arm, the fourth hinge point department lateral wall top of second connecting rod forms the top on leaning on the second hinge point department lateral wall of first connecting rod and leans on. The door and window hinge increases the abutting connection between the connecting rods, improves the bearing capacity, and has the characteristics of high structural stability and strong bearing capacity.

Description

High-bearing three-connecting-rod door and window hinge

Technical Field

The utility model relates to a door and window hinge technical field especially involves a high bearing three-bar linkage door and window hinge.

Background

In the door and window industry, a window sash is generally fixed on a window frame section by a door and window hinge, and the opening and closing of the window sash are realized by a connecting rod mechanism of the door and window hinge. The door and window hinges existing in the existing market comprise hidden hinges, three-connecting-rod sliding support type hinges, four-connecting-rod sliding support type hinges and the like, and can realize fixed installation of window sashes.

The existing door and window hinge generally comprises a support arm, a bottom plate and a connecting rod mechanism, wherein the support arm, the bottom plate and the connecting rod mechanism are hinged, and the support arm and a bottom groove are opened and closed through the combined action of the connecting rod mechanism. At present, the arrangement of the link mechanism forms a fixed thought, so that the arrangement of the link mechanism is limited, and the bearing capacity of the door and window hinge cannot be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem, provide a high bearing three-bar door and window hinge, this door and window hinge has increased the top between the connecting rod and has leaned on the relevance, makes its bearing capacity obtain improving, has structural stability height, the characteristics that bearing capacity is strong.

In order to achieve the above object, the present invention provides the following technical solutions:

a high-bearing-capacity three-connecting-rod door and window hinge comprises a bottom plate, a supporting arm, a sliding block, a first connecting rod, a second connecting rod and a third connecting rod, wherein the sliding block is slidably arranged on the right part of the bottom plate, one end of the first connecting rod is hinged to the left part of the bottom plate and is marked as a first hinge point, the other end of the first connecting rod is hinged to the tail end of the supporting arm and is marked as a second hinge point, one end of the second connecting rod is hinged to the bottom plate and is positioned on the right side of the first hinge point and is marked as a third hinge point, the other end of the second connecting rod is hinged to the supporting arm and is adjacent to the upper side of the second hinge point and is marked as a fourth hinge point, one end of the third connecting rod is hinged to the sliding block and is marked as a fifth hinge point, the other end of the third connecting rod is hinged to the supporting arm and is positioned on the upper side of the fourth hinge point, the first connecting rod, the second connecting rod, the third connecting rod and the sliding block jointly act to enable the bottom plate and the supporting arm to be relatively opened, and the side wall at the fourth hinge point of the second connecting rod is abutted against the side wall at the second hinge point of the first connecting rod to form an abutting point.

As a further improvement, the side wall of the first connecting rod at the top leaning point is set to be a tangent plane attached to the side wall of the second connecting rod.

As a further improvement of the present invention, the connection line between the first hinge point, the third hinge point and the fifth hinge point three forms a triangular position structure.

As a further improvement, the right part of the bottom plate is provided with a sliding groove, the sliding block is slidably arranged on the sliding groove, and two ends of the sliding groove or any one end of the sliding groove is provided with a limiting block for limiting the sliding block.

As a further improvement, the slider passes through adjusting screw to be connected on the spout, adjusting screw can adjust the elasticity between slider and the spout.

As a further improvement, the utility model also comprises an adjusting block and an eccentric screw, one end of the adjusting block is hinged on the bottom plate, and the other end is movably connected on the bottom plate up and down through the eccentric screw.

As a further improvement, the bottom plate is further provided with a non-metal cushion block, and the first hinge joint and the third hinge joint are both arranged on the non-metal cushion block.

As a further improvement of the utility model, the bottom of bottom plate is passed through the screw and is installed the fastening cramp, twists and moves the screw and can make the fastening cramp rotate.

The utility model has the advantages that: the door and window hinge is provided with the abutting point on the second connecting rod, and the second connecting rod abuts against the first connecting rod through the abutting point when the door and window hinge is opened, so that the first connecting rod and the second connecting rod are connected to support each other to balance stress, the mechanical structure of the door and window hinge is changed, and the structural strength and the bearing capacity of the door and window hinge are greatly enhanced. In addition, the top leaning point is also used as limiting protection to limit the opening range of the door and window hinge, and the door and window hinge is prevented from being damaged by too hard force when the door and window hinge is opened.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the back of the present invention;

description of the labeling: 1-bottom plate, 11-first hinge point, 12-second hinge point, 13-third hinge point, 14-fourth hinge point, 15-fifth hinge point, 16-abutting point, 2-bracket arm, 3-first connecting rod, 4-second connecting rod, 5-third connecting rod, 6-sliding block, 61-sliding groove, 62-limiting block, 63-adjusting screw, 7-adjusting block, 71-eccentric screw, 8-nonmetal cushion block and 9-fastening buckle piece.

Detailed Description

The present invention will be further described with reference to the following embodiments and accompanying drawings.

As shown in fig. 1-3, a high load-bearing three-link hinge for doors and windows comprises a base plate 1, a bracket 2, a first link 3, a second link 4, a third link 5 and a slider 6.

The right part of the bottom plate 1 is provided with a sliding groove 61, and the sliding block 6 is slidably mounted on the sliding groove 61. One end of the first connecting rod 3 is hinged at the left part of the bottom plate 1 and is marked as a first hinge point 11, and the other end is hinged at the tail end of the supporting arm 2 and is marked as a second hinge point 12. One end of the second connecting rod 4 is hinged to the bottom plate 1 and located at the right side of the first hinge point 11, and is denoted as a third hinge point 13, and the other end is hinged to the bracket arm 2 and is adjacent to the upper side of the second hinge point 12, and is denoted as a fourth hinge point 14. One end of the third connecting rod 5 is hinged to the sliding block 6 and is marked as a fifth hinge point 15, and the other end of the third connecting rod is hinged to the support arm 2 and is located on the upper side of the fourth hinge point 14.

The first connecting rod 3, the second connecting rod 4, the third connecting rod 5 and the sliding block 6 are in combined action, so that the bottom plate 1 and the bracket arm 2 can be relatively opened and closed, and when the bottom plate 1 and the bracket arm 2 are relatively opened, the side wall of the fourth hinge point 14 of the second connecting rod 4 abuts against the side wall of the second hinge point 12 of the first connecting rod 3 to form an abutting point 16.

Through the setting of the abutting point 16, the second connecting rod 4 abuts against the first connecting rod 3 when the door and window hinge is opened, so that the first connecting rod 3 and the second connecting rod 4 form connection and mutual supporting balance stress, the mechanical structure of the door and window hinge is changed along with the connection, and the structural strength and the bearing capacity of the door and window hinge are greatly enhanced. In addition, the abutting point 16 also serves as limiting protection to limit the opening range of the door and window hinge, and the door and window hinge is prevented from being damaged by excessive force when the door and window hinge is opened.

Further, the side wall of the first connecting rod 3 at the abutting point 16 is set to be a tangent plane which is attached to the side wall of the second connecting rod 4. The first connecting rod 3 and the second connecting rod 4 are effectively contacted through the arrangement of the tangent plane, and an effective stress point is formed.

Further, the line between first pin joint 11, third pin joint 13 and the fifth pin joint 15 three forms stable triangle-shaped position structure, is favorable to improving the structural stability of door and window hinge, has further strengthened the bearing capacity of door and window hinge.

Further, the left end of the sliding groove 61 is provided with a limiting block 62 for limiting the sliding block 6, so that the opening range of the door and window link is limited. In other embodiments, the limiting blocks 62 can also be disposed at two ends or the right end of the sliding groove 61.

Further, the sliding block 6 is connected to the sliding groove 61 through an adjusting screw 63, and the adjusting screw 63 can adjust the tightness between the sliding block 6 and the sliding groove 61, so that the smoothness when the door and window hinge is opened and closed can be adjusted.

Furthermore, the adjustable base plate further comprises an adjusting block 7 and an eccentric screw 71, wherein one end of the adjusting block 7 is hinged to the base plate 1, and the other end of the adjusting block 7 can be movably connected to the base plate 1 up and down through the eccentric screw 71. By screwing the eccentric screw 71, the adjusting block 7 can rotate along the hinged point in a small range, and the installation position of the door and window hinge on the door and window section bar can be adjusted in a small range.

Further, still be equipped with non-metallic cushion 8 on the bottom plate 1, non-metallic cushion 8 is the cushion of smooth plastics material preferably. First pin joint 11, third pin joint 13 and fifth pin joint 15 all set up on non-metallic cushion 8. Through the setting of non-metallic cushion 8, fold or the in-process that struts at the door and window hinge, frictional force and noise between reducible connecting rod and the bottom plate 1 improve and open and shut the smoothness nature, simultaneously, non-metallic cushion 8 plays the supporting role to the connecting rod, can prevent that the connecting rod from sinking because of the atress, further improves the bearing capacity of door and window hinge.

Further, the bottom of the bottom plate 1 is provided with a fastening buckle piece 9 through a screw, and the fastening buckle piece 9 can be rotated by screwing the screw. The door and window hinge is buckled on the door and window section bar through the fastening buckle piece 9, so that the door and window hinge is installed, and the operation is simple and convenient.

The embodiment is only used to conveniently illustrate the present invention, and is not intended to limit the present invention in any form, and any person who knows the knowledge in general in any field of the art can use the disclosed technical content to make local changes or modified equivalent embodiments without departing from the technical features of the present invention, and the technical features of the present invention are not separated, and all the equivalent embodiments belong to the technical features of the present invention.

Claims

1. The utility model provides a high bearing three-link door and window hinge, includes bottom plate, trailing arm, slider, first connecting rod, second connecting rod and third connecting rod, slider slidable ground sets up on the right part of bottom plate, its characterized in that: one end of the first connecting rod is hinged to the left portion of the bottom plate and is marked as a first hinge point, the other end of the first connecting rod is hinged to the tail end of the supporting arm and is marked as a second hinge point, one end of the second connecting rod is hinged to the bottom plate and is located on the right side of the first hinge point and is marked as a third hinge point, the other end of the second connecting rod is hinged to the supporting arm and is close to the upper side of the second hinge point and is marked as a fourth hinge point, one end of the third connecting rod is hinged to the sliding block and is marked as a fifth hinge point, the other end of the third connecting rod is hinged to the supporting arm and is located on the upper side of the fourth hinge point, the first connecting rod, the second connecting rod, the third connecting rod and the sliding block jointly act to enable the bottom plate and the supporting arm to be relatively unfolded and folded, and when the bottom plate and the supporting arm are relatively unfolded, the side wall of the fourth hinge point of the second connecting rod abuts against the side wall of the second hinge point of the first connecting rod to form an abutting point.

2. The high load bearing three-bar door and window hinge of claim 1, wherein: the side wall of the first connecting rod at the abutting point is set to be a tangent plane attached to the side wall of the second connecting rod.

3. The high load bearing three-bar door and window hinge of claim 1, wherein: and the connecting lines among the first hinge point, the third hinge point and the fifth hinge point form a triangular position structure.

4. The high load bearing three-bar door and window hinge of claim 1, wherein: the right part of the bottom plate is provided with a sliding groove, the sliding block is arranged on the sliding groove in a sliding mode, and two ends or any one end of the sliding groove are provided with limiting blocks for limiting the sliding block.

5. The high load bearing three-bar door and window hinge of claim 4, wherein: the slider passes through adjusting screw connection on the spout, adjusting screw can adjust the elasticity between slider and the spout.

6. The high load bearing three-bar door and window hinge of claim 1, wherein: the adjustable clamp is characterized by further comprising an adjusting block and an eccentric screw, wherein one end of the adjusting block is hinged to the bottom plate, and the other end of the adjusting block is movably connected to the bottom plate up and down through the eccentric screw.

7. The high load bearing three-bar door and window hinge of claim 1, wherein: still be equipped with non-metallic cushion on the bottom plate, first pin joint and third pin joint all set up on non-metallic cushion.

8. The high load bearing three-bar door and window hinge of claim 1, wherein: the bottom of the bottom plate is provided with a fastening buckle piece through a screw, and the screw is screwed to enable the fastening buckle piece to rotate.