CN218934119U

CN218934119U - Outward opening lower suspension lower hinge

Info

Publication number: CN218934119U
Application number: CN202222561025.1U
Authority: CN
Inventors: 郑亚勇
Original assignee: Foshan Gaokaida Hardware Technology Co ltd
Current assignee: Foshan Gaokaida Hardware Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-04-28
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses an outward-opening lower suspension lower hinge, belongs to the field of outward-opening lower suspension casement windows, is used for the lower suspension and casement of a window sash, and solves the problems of stability, sealing performance and assemblability of window sash installation. The fan fixing device comprises a frame fixing plate, a main support plate, a long support plate, a first short support plate, a support arm and a fan fixing plate, wherein the main support plate and the long support plate are arranged in a crossing mode, the main support plate is supported at the bottom of the long support plate, the crossing parts of the main support plate and the long support plate are rotationally connected, one end of the main support plate and one end of the long support plate are rotationally connected with the frame fixing plate, one end of the main support plate is slidingly connected with the frame fixing plate along the length direction of the frame fixing plate, the other end of the long support plate is rotationally connected with the support arm, the other end of the main support plate is rotationally connected with the first short support plate, the first short support plate is rotationally connected with the support arm, and the fan fixing plate is rotationally connected with the support arm through a locking mechanism and is locked with the support arm through a self-locking mechanism, and a positioning block is installed by the self-locking mechanism.

Description

Outward opening lower suspension lower hinge

Technical Field

The utility model belongs to the field of outward-opening downward-hanging casement windows, and particularly relates to a lower hinge of an outward-opening downward-hanging casement window.

Background

The outward-opening and downward-hanging casement window realizes three states of closing the window sashes, outward opening the window sashes and downward hanging the window sashes outdoors, and saves indoor space. The upper hinge ensures that the top of the window sash can be horizontally opened outdoors, the lower hinge ensures that the lower side of the window sash can be horizontally opened outdoors, and the lower hinge also ensures that the bottom of the window sash is hung outdoors for a certain angle, so that the stability and the sealing performance of the lower hinge and the bottom of the window sash are ensured, and the assembly performance of the lower hinge and other accessories is ensured.

Disclosure of Invention

The utility model aims to provide a lower hinge of an outward-opening lower-suspension casement window, which ensures the stability and the tightness of the installation of the lower hinge and the bottom of a window sash and the assemblability of the lower hinge and other accessories.

According to one aspect of the utility model, the outward-opening lower suspension hinge comprises a frame fixing plate, a main support plate, a long support plate, a first short support plate, a support arm and a fan fixing plate, wherein the main support plate and the long support plate are arranged in a crossing mode, the main support plate is supported at the bottom of the long support plate, the crossing parts of the main support plate and the long support plate are rotationally connected, one end of the main support plate and one end of the long support plate are rotationally connected with the frame fixing plate, one end of the main support plate is slidingly connected with the frame fixing plate along the length direction of the frame fixing plate, the other end of the long support plate is rotationally connected with the support arm, the other end of the main support plate is rotationally connected with the first short support plate, the first short support plate is rotationally connected with the support arm, the fan fixing plate is rotationally connected with the support arm through a locking mechanism, the fan fixing plate is locked with the support arm through a self-locking mechanism, and the self-locking mechanism is provided with a positioning block.

The self-locking mechanism comprises a connecting rod, the connecting rod is inserted into the fan fixing plate, one end of the connecting rod is connected with a first connecting block, the supporting arm is provided with a clamping groove, the first connecting block is clamped in the clamping groove through a clamping column, and the positioning block is clamped in the first connecting block along the width direction of the first connecting block.

The first connecting block is provided with a groove, the two sides of the groove are provided with turned edges, the turned edges are provided with corresponding notches, the groove is provided with positioning holes, the positioning block is made of plastic materials, clamping tables are arranged on the two sides of the positioning block, the middle of the positioning block is provided with a limiting column, the clamping tables are clamped in the corresponding notches, and the limiting column is installed in the positioning holes.

The other end of the connecting rod is connected with a second connecting block, the second connecting block is connected with an adjusting plate through a rack, and the tail end of the adjusting plate is provided with a hook table.

One end of the frame fixing plate is provided with a limiting hole, and the tail end of the first connecting block is provided with a bolt matched with the limiting hole.

One end of the supporting arm slides along the length direction of the fan fixing plate and is rotationally connected with the fan fixing plate and is locked through the locking mechanism, the other end of the supporting arm is rotationally connected with the other end of the long supporting plate, and the middle part of the supporting arm is rotationally connected with one end of the fan fixing plate through the second short supporting plate.

The locking mechanism comprises a sliding seat, a cam track and a locking rod, wherein the fan fixing plate is provided with a sliding groove along the length direction of the fan fixing plate, the cam track is embedded into the sliding seat, the sliding seat is slidably mounted on the sliding groove, one end of the locking rod is rotatably connected to the bottom of the sliding groove, the other end of the locking rod is slidably connected along the cam track through a sliding column, and the cam track is provided with a fixing position.

The cam track comprises a first clamping position, a second clamping position, a cam and a third clamping position, the cam is arranged in the middle of the cam track, a fixed position is formed in a notch on one side of the cam, the other end of the lock rod slides along a connecting track of the first clamping position, the second clamping position, the fixed position and the third clamping position, and the connecting track is formed by dividing the cam.

The bottom of spout is equipped with the mounting groove, the slide passes out from the mounting groove through connecting rivet, the one end of support arm passes through rivet connection.

The beneficial effects of the utility model are as follows: the first connecting block is arranged in the section bar groove of the window sash, and the positioning block is also clamped in the section bar groove of the window sash, so that the positioning block effectively prevents the first connecting block from swinging during window opening and window closing by utilizing the buffer function of the plastic material; the spacing arrangement of the bolt and the spacing hole avoids the gap between the window sash and the window frame caused by the deformation of the first connecting block, and ensures the tightness during window closing; the adjusting plate is connected with the rack of the second connecting block, so that the length of the connecting rod can be adjusted, and the requirements of window sashes with different sizes can be met.

Drawings

FIG. 1 is a perspective view of a hanging down hinge of the present utility model in a hanging down state;

FIG. 2 is an exploded view of the first connector block of FIG. 1;

FIG. 3 is an exploded view of the second connection block of FIG. 1;

fig. 4 is a schematic structural view of the fan fixing plate shown in fig. 1.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the lower hinge of the outward-opening lower-suspending casement window comprises a frame fixing plate 1, a main support plate 2, a long support plate 3, a first short support plate 4, a support arm 5 and a fan fixing plate 6, wherein the main support plate 2 and the long support plate 3 are arranged in a crossed manner, the main support plate 2 is supported at the bottom of the long support plate 3, and the crossed positions of the main support plate 2 and the long support plate 3 are rotationally connected. One end of the main support plate 2 and one end of the long support plate 3 are both rotationally connected with the frame fixing plate 1, and one end of the main support plate 2 is slidably connected with the frame fixing plate 1 through a sliding groove formed in the length direction of the frame fixing plate 1 by rivets. One end of the support arm 5 is slidably and rotatably connected to the fan fixing plate 6 along the length direction of the fan fixing plate 6 and is locked by a locking mechanism. The other end of the long support plate 3 is rotatably connected with the other end of the support arm 5, the other end of the main support plate 2 is rotatably connected with the first short support plate 4, and the first short support plate 4 is rotatably connected with the support arm 5. The fan fixing plate 6 is locked with the supporting arm 5 through a self-locking mechanism. The support arm 5 is rotatably connected to one end of the fan fixing plate 6 through a second short support plate 7. The rotational connection is preferably a rivet connection.

The self-locking mechanism comprises a connecting rod 16, the connecting rod 16 is inserted into the fan fixing plate 6, one end of the connecting rod 16 is connected with a first connecting block 17, the other end of the connecting rod 16 is connected with a second connecting block 18, the supporting arm 5 is provided with a clamping groove 19, and the first connecting block 17 is clamped in the clamping groove 19 through a clamping column 20. One end of the frame fixing plate 1 is provided with a limiting hole 36, and the tail end of the first connecting block 17 is provided with a bolt 37 matched with the limiting hole 36. The spacing arrangement of the bolt 37 and the spacing hole 36 avoids the gap between the window sash and the window frame caused by the deformation of the first connecting block 17, and ensures the tightness during window closing.

As shown in fig. 2, the positioning block 15 is engaged with the first connecting block 17 in the width direction of the first connecting block 17. The first connecting block 17 is provided with a groove 26, two sides of the groove 26 are provided with turned edges 27, the turned edges 27 are provided with corresponding notches 29, the groove 26 is provided with positioning holes 30, the positioning block 15 is made of plastic materials, two sides of the positioning block 15 are provided with clamping tables 31, the middle part of the positioning block 15 is provided with a limiting column 32, the clamping tables 31 are clamped in the corresponding notches 29, and the limiting columns 32 are arranged in the positioning holes 30. The first connecting block 17 is mounted in the profile groove of the window sash, and the positioning block 15 is also clamped in the profile groove of the window sash, so that the positioning block 15 effectively prevents the first connecting block 17 from swinging during window opening and window closing by utilizing the buffering effect of the plastic material.

As shown in fig. 3, the other end of the connecting rod 16 is connected with a second connecting block 18, the second connecting block 18 is connected with an adjusting plate 34 through a rack 33, and the end of the adjusting plate 34 is provided with a hooking table 35. The adjusting plate 34 is provided with a kidney-shaped groove 28, the adjusting plate 34 is arranged at the bottom of the second connecting block 18, and the locking screw 38 passes through the kidney-shaped groove 28 to be fixed on the second connecting block 18. The adjusting plate 34 adjusts the length of the second connecting block 18 through rack transmission, so that other accessories connected with the handle of the window sash can be conveniently connected, and the requirements of window sashes with different sizes can be met.

As shown in fig. 4, the locking mechanism comprises a sliding seat 21, a cam track 22 and a locking rod 23, wherein a sliding groove 24 is formed in the fan fixing plate 6 along the length direction of the fan fixing plate, the cam track 22 is embedded into the sliding seat 21, the sliding seat 21 is slidably mounted on the sliding groove 24, one end of the locking rod 23 is rotatably connected to the bottom of the sliding groove 24, the other end of the locking rod 23 is slidably connected along the cam track 22 through a sliding column 25, and the cam track 22 is provided with a fixing position 8. The bottom of the chute 24 is provided with a mounting slot 9. The slide 21 is passed out of the mounting slot 9 by means of a connecting rivet 10, and one end of the support arm 5 is connected by means of the rivet 10.

The cam track 22 comprises a first clamping position 11, a second clamping position 12, a cam 13 and a third clamping position 14, the cam 13 is arranged in the middle of the cam track 22, a notch on one side of the cam 13 forms a fixed position 8, the other end of the lock rod 23 slides along the connecting track of the first clamping position 11, the second clamping position 12, the fixed position 8 and the third clamping position 14, and the connecting track is divided by the cam 13.

As shown in fig. 1 and 4, the fan fixing plate 6 drives the second short support plate 7 to rotate, and when the slide carriage 21 slides in the slide groove 24, the slide column 25 of the lock rod 23 slides along the curved track of the cam track 22 to do circular reciprocating motion. When the sliding column 25 slides from the first clamping position 11 to the second clamping position 12, the window sash is opened from being closed to hanging; when falling back to the fixed position 8, the second short support plate 7 and the fan fixing plate 6 are in a downward suspension locking state, so that a certain angle is formed; unlocking is completed from the fixed position 8 to the third detent 14, and the spool 25 is disengaged from the fixed position 8 and free to slide along the cam track 22 back to the first detent 11, whereupon the sash is brought from the suspended to the closed position. At this time, the handle on the window sash is pulled to adjust the connecting rod 16 to slide along the window sash fixing plate 6 until the clamping column 20 of the first connecting block 17 is clamped in the clamping groove 19, the bolt is inserted into the limiting hole, the supporting arm 5 and the window sash fixing plate 6 are self-locked, the main supporting plate 2, the long supporting plate 3 and the first short supporting plate 4 are supported, the supporting arm 5 is supported together, and the window sash is opened to be in an outward opening state.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. The utility model provides a hang down hinge under outward opening, its characterized in that, including frame fixed plate (1), main tributary board (2), long extension board (3), first short extension board (4), support arm (5) and fan fixed plate (6), main tributary board (2), long extension board (3) alternately set up and main tributary board (2) support in the bottom of long extension board (3), the intersection rotation of main tributary board (2), long extension board (3) is connected, the one end of main tributary board (2) and the one end of long extension board (3) all rotate with frame fixed plate (1) to be connected, the one end of main tributary board (2) is followed the length direction sliding connection of frame fixed plate (1) in frame fixed plate (1), the other end rotation of long extension board (3) is connected in support arm (5), the other end rotation of main tributary board (2) is connected in first short extension board (4), first short extension board (4) rotate and are connected in support arm (5), fixed plate (6) rotate through locking mechanism and are connected in support arm (5), support arm (6) have auto-lock mechanism (15) through fixing mechanism and support arm (5).

2. The outward-opening underslung hinge according to claim 1, wherein the self-locking mechanism comprises a connecting rod (16), the connecting rod (16) is inserted into the fan fixing plate (6), one end of the connecting rod (16) is connected with a first connecting block (17), the supporting arm (5) is provided with a clamping groove (19), the first connecting block (17) is clamped in the clamping groove (19) through a clamping column (20), and the positioning block (15) is clamped in the first connecting block (17) along the width direction of the first connecting block (17).

3. The outward-opening underslung hinge according to claim 2, wherein the first connecting block (17) is provided with a groove (26), two sides of the groove (26) are provided with turned edges (27), the turned edges (27) are provided with corresponding notches (29), the groove (26) is provided with positioning holes (30), the positioning block (15) is made of plastic materials, two sides of the positioning block (15) are provided with clamping tables (31), the middle part of the positioning block (15) is provided with a limiting column (32), the clamping tables (31) are clamped in the corresponding notches (29), and the limiting column (32) is installed in the positioning holes (30).

4. The outward-opening underslung hinge according to claim 2, wherein the other end of the connecting rod (16) is connected with a second connecting block (18), the second connecting block (18) is connected with an adjusting plate (34) through a rack (33), and a hook table (35) is arranged at the tail end of the adjusting plate (34).

5. The outward-opening underslung hinge according to claim 2, wherein one end of the frame fixing plate (1) is provided with a limiting hole (36), and the end of the first connecting block (17) is provided with a plug pin (37) matched with the limiting hole (36).

6. A hinge according to claim 3, wherein one end of the supporting arm (5) is slidably and rotatably connected to the fan fixing plate (6) along the length direction of the fan fixing plate (6), and is locked by a locking mechanism, the other end of the supporting arm (5) is rotatably connected to the other end of the long supporting plate (3), and the middle part of the supporting arm (5) is rotatably connected to one end of the fan fixing plate (6) by a second short supporting plate (7).

7. The outward-opening underslung hinge according to claim 6, wherein the locking mechanism comprises a sliding seat (21), a cam track (22) and a lock rod (23), the fan fixing plate (6) is provided with a sliding groove (24) along the length direction thereof, the cam track (22) is embedded into the sliding seat (21), the sliding seat (21) is slidably mounted on the sliding groove (24), one end of the lock rod (23) is rotatably connected to the bottom of the sliding groove (24), the other end of the lock rod (23) is slidably connected along the cam track (22) through a sliding column (25), and the cam track (22) is provided with a fixing position (8).

8. The outward-opening underslung hinge according to claim 7, wherein the cam track (22) comprises a first clamping position (11), a second clamping position (12), a cam (13) and a third clamping position (14), the cam (13) is arranged in the middle of the cam track (22), a fixed position (8) is formed by a notch on one side of the cam (13), and the other end of the lock rod (23) slides along a connecting track of the first clamping position (11), the second clamping position (12), the fixed position (8) and the third clamping position (14), and the connecting track is divided by the cam (13).

9. The outward-opening underslung hinge according to claim 7, characterized in that the bottom of the chute (24) is provided with a mounting groove (9), the slide (21) is penetrated out of the mounting groove (9) by a connecting rivet (10), and one end of the support arm (5) is connected by the rivet (10).