CN219241641U

CN219241641U - Heavy hinge

Info

Publication number: CN219241641U
Application number: CN202320579198.8U
Authority: CN
Inventors: 杨庭卫
Original assignee: Foshan Kairuide Metal Products Co ltd
Current assignee: Foshan Kairuide Metal Products Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-06-23
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to a heavy hinge, which comprises a door hinge cup and a side plate fixing seat, wherein the door hinge cup and the side plate fixing seat are hinged through a connecting arm assembly, an elastic piece and a buffer are arranged on the side plate fixing seat in a straight line shape, the door hinge cup acts on the side plate fixing seat through the elastic piece and the buffer in the opening and closing process of the hinge, when the hinge is opened and closed, the connecting arm assembly is in transmission contact with the elastic piece and the buffer in sequence through rotation, and the elastic piece and the buffer are subjected to transmission stress on the same linearity. Through setting up compression spring's atress direction and the atress direction of buffer on same linearity, make compression spring be straight line atress (linear atress) when hinge switching, compression spring, buffer set up on same linearity, save the installation space in the hinge on the one hand, on the other hand changes the spring atress effect of current hinge, reinforcing hinge elasticity is opened, the performance of buffering closure.

Description

Heavy hinge

Technical Field

The utility model relates to the technical field of furniture accessories, in particular to a heavy hinge.

Background

Chinese patent No. 2022205409170 discloses a heavy hinge, including hinge cup, first connecting piece, second connecting piece, arm, fall axle sleeve and torsional spring of making an uproar, the hinge cup be used for being connected with fixed door plant, the one end of first connecting piece with the hinge cup pin joint, the other end of first connecting piece with the arm pin joint, the one end of second connecting piece with the hinge cup pin joint, the other end of second connecting piece with the arm pin joint, the hinge cup first connecting piece the second connecting piece with the arm forms four bar linkage, fall the axle sleeve of making an uproar rotationally and overlap on the second connecting piece, the torsional spring set up in on the arm, just the one end butt of torsional spring in fall on the axle sleeve of making an uproar, the other end butt of torsional spring in on the arm.

One end of the torsion spring is abutted to the noise reduction shaft sleeve, when the heavy hinge rotates to be unfolded or closed, the contact sliding friction between the noise reduction shaft sleeve and the torsion spring is changed into rolling friction, and noise generated when the noise reduction shaft sleeve extrudes or releases the torsion spring is greatly reduced.

The applicant changes the torsion spring into the compression spring on the existing hinge, and the stress direction of the compression spring and the stress direction of the buffer are in the same linearity, so that the compression spring is in linear stress (linear stress) when the hinge is opened and closed, and the compression spring and the buffer are arranged in the same linear direction, thereby saving the installation space in the hinge on one hand, changing the stress effect of the spring of the existing hinge, and enhancing the elastic opening and buffering closing performances of the hinge on the other hand.

Disclosure of Invention

The utility model aims to provide a heavy hinge, which is characterized in that the stress direction of a compression spring and the stress direction of a buffer are arranged on the same linear direction, so that the compression spring is subjected to linear stress (linear stress) when the hinge is opened and closed, and the compression spring and the buffer are arranged on the same linear direction, thereby saving the installation space in the hinge on one hand, changing the stress action of the spring of the conventional hinge, and enhancing the elastic opening and buffering closing performances of the hinge on the other hand.

The heavy hinge comprises a door hinge cup connected with a door plate and a side plate fixing seat connected with a side plate, wherein the door hinge cup and the side plate fixing seat are hinged through a connecting arm assembly, an elastic piece and a buffer are arranged on the side plate fixing seat, the elastic piece and the buffer are arranged on the side plate fixing seat in a straight shape, and the door hinge cup acts on the side plate fixing seat through the elastic piece and the buffer in the opening and closing process of the hinge; when the hinge is opened and closed, the connecting arm assembly is in transmission contact with the elastic piece and the buffer in turn through rotation, and the elastic piece and the buffer are subjected to transmission stress on the same linearity.

The stress direction of the elastic piece and the stress direction of the buffer are in the same linear direction, the stress of the elastic piece is linear stress (linear stress), and the elastic opening and buffer closing performances of the hinge are enhanced; a rolling contact matching piece is arranged between the elastic piece and one end of the connecting arm assembly, and when the hinge is opened and closed, the elastic piece is in rolling contact with the connecting arm assembly through the rolling contact matching piece, so that the external friction resistance of the elastic piece is reduced.

The side plate fixing seat is internally provided with a first installation position corresponding to the elastic piece, and the elastic piece is installed on the first installation position in an up-down positioning way.

The buffer is arranged in the side plate fixing seat and corresponds to the second installation position, and the buffer is installed on the second installation position in an up-down positioning mode.

A first installation avoidance groove is formed in the side plate fixing seat corresponding to the first installation position, a second installation avoidance groove is formed in the side plate fixing seat corresponding to the second installation position, a first connecting piece is arranged on the first installation avoidance groove, a second connecting piece is arranged on the second installation avoidance groove, a mounting groove is formed in the first connecting piece, and the second connecting piece is positioned on the mounting groove up and down; the first connecting piece corresponds first installation position and is equipped with first clearance groove, and first clearance groove one end is equipped with the stopper, and elastic component one end elasticity is used on the stopper, and the elastic component is controlled spacing on the mounting groove of first connecting piece.

The first connecting piece is provided with a first strip-shaped slot hole and a first shaft hole which are arranged at intervals from front to back, the second connecting piece is provided with a second shaft hole corresponding to the first strip-shaped slot hole, the second connecting piece is provided with a second strip-shaped slot hole corresponding to the first shaft hole, the first connecting shaft piece is inserted into the first strip-shaped slot hole and the second shaft hole, and the second connecting shaft piece is inserted into the first shaft hole and the second strip-shaped slot hole, so that the first connecting piece and the second connecting piece are connected.

The second connecting piece is provided with a second empty avoiding groove corresponding to the second installation position, and the buffer is arranged in the side plate fixing seat in a limiting mode through the second connecting piece and the second installation position.

The rolling contact matching piece comprises a guide rod arranged on the elastic piece, a limiting ring is arranged on the guide rod, the outer diameter of the limiting ring is larger than that of the elastic piece, and the other end of the elastic piece elastically acts on the limiting ring; the guide rod head is provided with an arc notch corresponding to the first connecting shaft piece, the arc outer surface of the first connecting shaft piece is matched with the arc notch, and when the hinge is opened and closed, the elastic piece elastically acts on the first connecting shaft piece through the arc notch of the guide rod, and the first connecting shaft piece moves back and forth in the first strip-shaped slotted hole, so that the external friction resistance of the loss of the elastic piece is reduced.

The outer surface of the side plate fixing seat is provided with a decorative cover, the bottom of the side plate fixing seat is provided with a bottom plate, and the elastic piece and the buffer are packaged in the side plate fixing seat through the bottom plate.

The door plate is provided with a mounting groove, the door plate hinge cup is provided with a clamping rib, the door plate hinge cup is embedded into the mounting groove, and the clamping rib is in close contact with the inner wall of the mounting groove.

The utility model has the following beneficial effects:

through setting up compression spring's atress direction and the atress direction of buffer on same linearity, make compression spring be straight line atress (linear atress) when hinge switching, compression spring, buffer set up on same linearity, save the installation space in the hinge on the one hand, on the other hand changes the spring atress effect of current hinge, reinforcing hinge elasticity is opened, the performance of buffering closure.

The door plant hinge cup embedding door plant's mounting groove is last, screens muscle and mounting groove inner wall in close contact, prevents that door plant hinge cup after the installation from taking place not hard up, and then makes the hinge install more firm reliable on the door, and the hinge does not take place not hard up phenomenon.

The weight of the hinge cup of the door plate and the weight of the side plate fixing seat can be increased by increasing the strength and the thickness of the parts of the hinge cup of the door plate and the side plate fixing seat, and the door plate hinge cup and the side plate fixing seat can bear 30 kg of weight.

The stress direction of the elastic piece and the stress direction of the buffer are in the same linearity, the stress of the elastic piece is linear stress (linear stress), and the elastic opening and buffer closing performances of the hinge are enhanced.

By arranging the decorative cover and the cover body, the whole product is arranged on the cabinet body smoothly and more attractive.

Drawings

Fig. 1 is a schematic view of a structure of a side plate and a door plate connected with a hinge respectively according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an assembly and disassembly structure of a side plate fixing seat and a side plate according to an embodiment of the utility model.

Fig. 3 is a schematic plan view illustrating an internal structure of a side plate fixing base according to an embodiment of the utility model.

Fig. 4 is a schematic diagram of an assembled and disassembled structure of a first connector and a second connector according to an embodiment of the utility model.

Fig. 5 is a schematic view showing an assembled and disassembled structure of a hinge cup and a door panel according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram illustrating an assembled and disassembled structure of a side plate fixing base, an elastic member and a buffer according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of an elastic member and a damper according to an embodiment of the utility model.

Fig. 8 is a schematic view of an assembled cross-sectional structure of a door panel and a hinge cup of the door panel according to an embodiment of the present utility model.

Fig. 9 is a schematic diagram illustrating an assembly and disassembly structure of the first connecting member, the second connecting member and the side plate fixing base according to an embodiment of the utility model.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1-9, a heavy hinge comprises a door hinge cup 2 connected with a door plate 1 and a side plate fixing seat 4 connected with a side plate 3, wherein the door hinge cup 2 and the side plate fixing seat 4 are hinged through a connecting arm assembly 5, an elastic piece 6 and a buffer 7 are arranged on the side plate fixing seat 4, the elastic piece 6 and the buffer 7 are arranged on the side plate fixing seat 4 in a straight line shape, and in the opening and closing process of the hinge, the door hinge cup 2 acts on the side plate fixing seat 4 through the elastic piece 6 and the buffer 7; when the hinge is opened and closed, the connecting arm assembly 5 is in transmission contact with the elastic piece 6 and the buffer 7 in turn through rotation, and the elastic piece 6 and the buffer 7 are in transmission stress on the same linearity

The stress direction of the elastic piece 6 and the stress direction of the buffer 7 are in the same linearity, a rolling contact matching piece is arranged between the elastic piece 6 and one end of the connecting arm assembly 5, and when the hinge is opened and closed, the elastic piece 6 is in rolling contact with the connecting arm assembly 5 through the rolling contact matching piece, so that the external friction resistance of the elastic piece 6 is reduced.

The side plate fixing seat 4 is internally provided with a first installation position 8 corresponding to the elastic piece 6, and the elastic piece 6 is installed on the first installation position 8 in an up-down positioning way.

The buffer 7 is arranged in the side plate fixing seat 4 corresponding to the buffer 7 and is provided with a second installation position 9, and the buffer 7 is arranged on the second installation position 9 in an up-down positioning way.

A first installation avoidance groove 10 is formed in the side plate fixing seat 4 corresponding to the first installation position 8, a second installation avoidance groove 11 is formed in the side plate fixing seat 4 corresponding to the second installation position 9, a first connecting piece 12 is arranged on the first installation avoidance groove 10, a second connecting piece 13 is arranged on the second installation avoidance groove 11, the first connecting piece 12 is provided with an installation groove 14, and the second connecting piece 13 is positioned on the installation groove 14 up and down; the first connecting piece 12 is provided with a first empty avoiding groove 15 corresponding to the first mounting position 8, one end of the first empty avoiding groove 15 is provided with a limiting block 16, one end of the elastic piece 6 elastically acts on the limiting block 16, and the elastic piece 6 is limited on the mounting groove 14 of the first connecting piece 12 left and right.

The first connecting piece 12 is provided with a first strip-shaped slot 18 and a first shaft hole 19 which are arranged at intervals from front to back, the second connecting piece 13 is provided with a second shaft hole 20 corresponding to the first strip-shaped slot 18, the second connecting piece 13 is provided with a second strip-shaped slot 21 corresponding to the first shaft hole 19, the first strip-shaped slot 18 and the second shaft hole 20 are penetrated with a first connecting shaft piece 22, and the first shaft hole 19 and the second strip-shaped slot 21 are penetrated with a second connecting shaft piece 23, so that the first connecting piece 12 and the second connecting piece 13 are connected.

The second connecting piece 13 is provided with a second empty avoiding groove 17 corresponding to the second mounting position 9, and the buffer 7 is mounted in the side plate fixing seat 4 in a limiting manner through the second connecting piece 13 and the second mounting position 9.

The elastic piece 6 is provided with a guide rod 24, the guide rod 24 is provided with a limiting ring 25, the outer diameter of the limiting ring 25 is larger than that of the elastic piece 6, and the other end of the elastic piece 6 elastically acts on the limiting ring 25.

The surface of the side plate fixing seat 4 is provided with a decorative cover 26, the bottom of the side plate fixing seat 4 is provided with a bottom plate 27, and the elastic piece 6 and the buffer 7 are packaged in the side plate fixing seat 4 through the bottom plate 27.

The door plate 1 is provided with a mounting groove 28, the door plate hinge cup 2 is provided with a clamping rib 29, the door plate hinge cup 2 is embedded into the mounting groove 28, and the clamping rib 29 is tightly contacted with the inner wall of the mounting groove 28.

In this embodiment, the door hinge cup 2 is provided with a cover 30, the front surface of the door hinge cup 2 is fixed on the door panel 1 by screws, the cover 30 covers the front surface of the door hinge cup 2 and covers the screws, and the cover 30 plays a role in decoration.

The cover 30 may be snapped onto the perimeter of the front surface of the door hinge cup 2.

In the present embodiment, a positioning block 31 is disposed on an outer side of the first connecting member 12 corresponding to the limiting block 16, the second connecting shaft member 23 is inserted through the first connecting member 12 and the second connecting member 13, and the second connecting shaft member 23 is located between the limiting block 16 and the positioning block 31.

In this embodiment, the head of the guide rod 24 is provided with an arc notch 32 corresponding to the first connecting shaft 22, the arc outer surface of the first connecting shaft 22 is matched with the arc notch 32, and when the hinge is opened and closed, the first connecting shaft 22 is in rolling contact with the head of the guide rod 24, so that noise generated when the hinge is opened and closed is reduced.

When the hinge is opened and closed, the elastic piece 6 elastically acts on the first connecting shaft piece 22 through the arc notch 32 of the guide rod 24, and the first connecting shaft piece 22 moves back and forth in the first strip-shaped slotted hole 18, so that the external friction resistance of the loss of the elastic piece 6 is small, and the service life of the elastic piece 6 is longer.

In the present embodiment, the first connecting shaft 22 is inserted into not only the first connecting member 12 and the second connecting member 13, but also a part of the connecting rod of the connecting arm assembly 5.

In the present embodiment, the side plate fixing base 4 is fixed to the side plate 3 by screws.

The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heavy hinge, includes door plant hinge cup (2) that are connected with door plant (1), curb plate fixing base (4) that are connected with curb plate (3), and door plant hinge cup (2), curb plate fixing base (4) are articulated through linking arm subassembly (5), its characterized in that: the side plate fixing seat (4) is provided with an elastic piece (6) and a buffer (7), the elastic piece (6) and the buffer (7) are arranged on the side plate fixing seat (4) in a straight line shape, and in the opening and closing process of the hinge, the door hinge cup (2) acts on the side plate fixing seat (4) through the elastic piece (6) and the buffer (7); when the hinge is opened and closed, the connecting arm assembly (5) is in transmission contact with the elastic piece (6) and the buffer (7) in sequence through rotation, and the elastic piece (6) and the buffer (7) are subjected to transmission stress on the same linearity.

2. The heavy duty hinge of claim 1 wherein: the stress direction of the elastic piece (6) and the stress direction of the buffer (7) are in the same linearity; a rolling contact matching piece is arranged between the elastic piece (6) and one end of the connecting arm assembly (5), and when the hinge is opened and closed, the elastic piece (6) is in rolling contact with the connecting arm assembly (5) through the rolling contact matching piece, so that the external friction resistance of the elastic piece (6) is reduced.

3. The heavy duty hinge of claim 2, wherein: the side plate fixing seat (4) is internally provided with a first installation position (8) corresponding to the elastic piece (6), and the elastic piece (6) is installed on the first installation position (8) in an up-down positioning way.

4. The heavy duty hinge of claim 2, wherein: the side plate fixing seat (4) is internally provided with a second installation position (9) corresponding to the buffer (7), and the buffer (7) is installed on the second installation position (9) in an up-down positioning way.

5. The heavy duty hinge of claim 4 wherein: a first installation avoidance groove (10) is formed in the side plate fixing seat (4) corresponding to the first installation position (8), a second installation avoidance groove (11) is formed in the side plate fixing seat (4) corresponding to the second installation position (9), a first connecting piece (12) is arranged on the first installation avoidance groove (10), a second connecting piece (13) is arranged on the second installation avoidance groove (11), a mounting groove (14) is formed in the first connecting piece (12), and the second connecting piece (13) is positioned on the mounting groove (14) up and down; the first connecting piece (12) is equipped with first clearance groove (15) corresponding to first installation position (8), and first clearance groove (15) one end is equipped with stopper (16), and elastic component (6) one end elastic action is on stopper (16), and on the mounting groove (14) of first connecting piece (12) was spacing about elastic component (6).

6. The heavy duty hinge of claim 5 wherein: first bar slotted holes (18) and first shaft holes (19) which are arranged at intervals from front to back are formed in the first connecting piece (12), second shaft holes (20) are formed in the second connecting piece (13) corresponding to the first bar slotted holes (18), second bar slotted holes (21) are formed in the second connecting piece (13) corresponding to the first shaft holes (19), first connecting shaft pieces (22) are inserted in the first bar slotted holes (18) and the second shaft holes (20), and second connecting shaft pieces (23) are inserted in the first shaft holes (19) and the second bar slotted holes (21) so that the first connecting piece (12) and the second connecting piece (13) are connected.

7. The heavy duty hinge of claim 5 wherein: the second connecting piece (13) is provided with a second empty avoiding groove (17) corresponding to the second mounting position (9), and the buffer (7) is mounted in the side plate fixing seat (4) in a limiting mode through the second connecting piece (13) and the second mounting position (9).

8. The heavy duty hinge of claim 5 wherein: the rolling contact matching piece comprises a guide rod (24) arranged on the elastic piece (6), a limiting ring (25) is arranged on the guide rod (24), the outer diameter of the limiting ring (25) is larger than that of the elastic piece (6), and the other end of the elastic piece (6) elastically acts on the limiting ring (25); the head of the guide rod (24) is provided with an arc notch (32) corresponding to the first connecting shaft piece (22), the arc-shaped outer surface of the first connecting shaft piece (22) is matched with the arc notch (32), when the hinge is opened and closed, the elastic piece (6) elastically acts on the first connecting shaft piece (22) through the arc notch (32) of the guide rod (24), the first connecting shaft piece (22) moves back and forth in the first bar-shaped slotted hole (18), and the external friction resistance of the loss of the elastic piece (6) is reduced.

9. The heavy duty hinge of claim 1 wherein: the outer surface of the side plate fixing seat (4) is provided with a decorative cover (26), the bottom of the side plate fixing seat (4) is provided with a bottom plate (27), and the elastic piece (6) and the buffer (7) are packaged in the side plate fixing seat (4) through the bottom plate (27).

10. The heavy duty hinge according to any one of claims 1 to 9 wherein: the door plate (1) is provided with an installing groove (28), the door plate hinge cup (2) is provided with a clamping rib (29), the door plate hinge cup (2) is embedded into the installing groove (28), and the clamping rib (29) is tightly contacted with the inner wall of the installing groove (28).