CN202899853U

CN202899853U - Hinge for furniture

Info

Publication number: CN202899853U
Application number: CN 201220597410
Authority: CN
Inventors: 伍志勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-13
Filing date: 2012-11-13
Publication date: 2013-04-24
Anticipated expiration: 2022-11-13

Abstract

The utility model discloses a hinge for furniture. The hinge for the furniture comprises a connecting arm and a movable cup seat which are connected with each other by a swing arm, wherein a torsion spring which at least applies opening/closing acting force to the movable cup seat is arranged in the hinge. The hinge for the furniture is characterized in that an antifriction block is arranged between the torsion spring and an internal swing arm and is connected with the internal swing arm in a sliding mode in the hinge opening and closing process, a fixing part is arranged on the antifriction block, and a pin shaft is inserted in the fixing part and is fixed to an external swing arm or the internal swing arm. The antifriction block is arranged between the torsion spring and the internal swing arm, and is fixed to the external swing arm and/or the internal swing arm by the fixing part; the antifriction block is contacted with a part in the hinge, the antifriction block and the part of the hinge are contacted with each other in a plane, the contact between the antifriction block and the part of the hinge is line contact or surface contact, and pressure intensity on a contact part is greatly reduced, so that rigid friction between the torsion spring and the part of the hinge is reduced, wear is reduced, the service life of a product is prolonged, and the aim that the hinge is smoothly and reliably opened and closed can be fulfilled.

Description

Domestic hinge

Technical field

The utility model relates to a kind of hinge, specifically a kind of Domestic hinge.

Background technology

Chinese patent literature CN1873178 discloses a kind of hinge means on December 6th, 2006, and it has: be installed in the first elongated main body on the furniture body; Be installed in the second hood-like main body on the door; The second main body is attached at first, second chain link on the first main body rotationally; And torsion spring, one end of torsion spring, the spring that pushes the first chain link bears board, thus, the second main body is carried out rotation urging towards the first main body, one end of torsion spring is configured between the sidewall of the sidewall of the first main body and the second chain link, and spring bears the gap of sidewall of board and the first main body and the gap that spring bears the sidewall of board and the second chain link, and all the live width than an end of torsion spring is little.It is said, even the said structure hinge is impacted, by the lateral shift of an end of restriction torsion spring, may prevent that an end of this torsion spring breaks away from the board that bears of spring.But, because the torsion spring gauge of wire is very little, so the contact site that the feet of torsion spring is connected with part is very little, be almost a contact, so contact position pressure is large, cause serious wear between torsion spring and the part, affect the life-span of torsion spring even whole hinge.Therefore, be necessary further improvement.

The utility model content

The purpose of this utility model aims to provide a kind of simple and reasonable, dependable performance, low cost of manufacture, production and implements easily and the Domestic hinge of long service life, to overcome weak point of the prior art.

A kind of Domestic hinge by this purpose design, comprise the linking arm and the flexible cup base that connect by swing arm, be provided with in the hinge at least flexible cup base is produced the torsion spring that opens and closes active force, it is characterized in that being provided with the anti-attrition piece between torsion spring and the interior swing arm, anti-attrition piece and interior swing arm are slidingly connected in the hinge opening-closing process; Be provided with fixed part on the anti-attrition piece, and by bearing pin the anti-attrition piece be fixed in outer swing arm or the interior swing arm.

Described anti-attrition piece is working of plastics or metalwork, is tabular, block, groove shape, shell-like, T shape or ring-type, and is fixedly connected with outer swing arm or interior swing arm.

Described anti-attrition piece A is working of plastics, is tabular, and at least one side is provided with vertical sidepiece, vertically is provided with cross through hole on the sidepiece; Anti-attrition piece A is positioned over the torsion spring below, and anti-attrition piece A is fixed on the hinged place of outer swing arm and linking arm by bearing pin.

Described anti-attrition piece B is working of plastics, and is in the form of slot, and at least one side is provided with vertical sidepiece, vertically is provided with cross through hole on the sidepiece; The anti-attrition piece is positioned over torsion spring below, and described groove position assembly is in interior swing arm one end, and anti-attrition piece B is fixed on the hinged place of interior swing arm and linking arm by bearing pin.

Described anti-attrition piece comprises anti-attrition piece A and anti-attrition piece B; Anti-attrition piece A is working of plastics or metalwork, is tabular, and at least one side is provided with vertical sidepiece, vertically is provided with cross through hole on the sidepiece; Anti-attrition piece A is positioned over the torsion spring below, and anti-attrition piece A is fixed on the hinged place of outer swing arm and linking arm by bearing pin; Anti-attrition piece B is metalwork or working of plastics, and is in the form of slot, and at least one side is provided with vertical sidepiece, vertically is provided with cross through hole on the sidepiece; Anti-attrition piece B is positioned over anti-attrition piece A below, and described groove position assembly is in interior swing arm one end, and anti-attrition piece B is fixed on the hinged place of interior swing arm and linking arm by bearing pin.

Described swing arm comprises outer swing arm and interior swing arm; Torsion spring is arranged on the hinged place of linking arm and outer swing arm by the bearing pin location; Torsion spring comprise at least an end and linking arm against feet, and the other end and anti-attrition piece or interior swing arm against feet.

Described torsion spring comprises head end feet, middle part feet and end support pin; Initial and end end feet and linking arm against, middle part feet and anti-attrition piece or interior swing arm against.

Described torsion spring is arranged on the hinged place of linking arm and outer swing arm by the bearing pin location; Described outer, interior swing arm both sides are hinged with linking arm and flexible cup base respectively; Interior swing arm is positioned at outer swing arm below, and its outer end and middle part are hinged by bearing pin and flexible cup base and linking arm respectively; Be provided with fixed arm in the linking arm, also be provided with damper in the fixed arm, the piston rod of damper and centering block one end join, and it is inner by the bearing pin connection for transmission with interior swing arm that described centering block is provided with fluting, and the centering block middle part is hinged by bearing pin and linking arm.

The utility model is by arranging the anti-attrition piece between torsion spring and interior swing arm, the anti-attrition piece is fixed in outer swing arm and/or the interior swing arm by fixed part is spacing; The anti-attrition piece contacts with part in the hinge, because anti-attrition piece and being in contact with one another of hinge part are the plane, the contact that makes the two is line contact or face contact, greatly reduce the pressure of contact position, thereby reduce the rigidity friction between torsion spring and the hinge part, reduce wear, improve the application life of its product, also reach the smooth and easy reliable purpose of hinge opening and closing.It has simple and reasonable, dependable performance, low cost of manufacture, production is implemented easily and the characteristics such as long service life.

Description of drawings

Fig. 1 is the utility model one embodiment decomposition texture schematic diagram.

Fig. 2 is an example structure schematic diagram.

Fig. 3 is the packaged partition solution structure of embodiment anti-attrition schematic diagram.

Fig. 4 is the packaged distribution structure schematic diagram of an embodiment anti-attrition.

Fig. 5 is an example structure schematic diagram (analysing and observe).

Fig. 6 is the packaged partition solution structure of the second embodiment anti-attrition schematic diagram.

Fig. 7 is the packaged distribution structure schematic diagrames of two embodiment anti-attritions.

Fig. 8 is two example structure schematic diagrames (analysing and observe).

Fig. 9 is the packaged partition solution structure of the 3rd embodiment anti-attrition schematic diagram.

Figure 10 is the packaged distribution structure schematic diagrames of three embodiment anti-attritions.

Figure 11 is three example structure schematic diagrames (analysing and observe).

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

The first embodiment

Referring to Fig. 1-Fig. 5, this Domestic hinge, comprise the linking arm 1 and the flexible cup base 10 that connect by swing arm, be provided with in the hinge at least flexible cup base 10 is produced the torsion spring 4 that opens and closes active force, be provided with anti-attrition piece A 2 between torsion spring 4 and the interior swing arm 6, anti-attrition piece A 2 is slidingly connected in the hinge opening-closing process with interior swing arm 6; Be provided with fixed part on the anti-attrition piece A 2, and be fixed in the outer swing arm 5 at the interspersed bearing pin of fixed part.

Each component combination of this hinge is as follows: swing arm comprises outer swing arm 5 and interior swing arm 6; Torsion spring 4 is arranged on the hinged place of linking arm 1 and outer swing arm 5 by the bearing pin location; Torsion spring 4 comprises head end feet 41, middle part feet 42 and end support pin 43; Initial and end end feet and linking arm 1 against, middle part feet 42 and anti-attrition piece 2A against.Described outer, interior swing arm both sides are hinged with linking arm 1 and flexible cup base 10 respectively; Interior swing arm 6 is positioned at outer swing arm 5 belows, and its outer end and middle part are hinged by bearing pin and flexible cup base 10 and linking arm 1 respectively; Be provided with fixed arm 8 in the linking arm 1, also be provided with damper 9 in the fixed arm 8, the piston rod of damper 9 and centering block 7 one ends join, and described centering block 7 is provided with fluting 71 and the interior swing arm 6 inner bearing pin connection for transmissions that pass through, and centering block 7 middle parts are hinged by bearing pin and linking arm 1.

This anti-attrition piece A 2 is working of plastics, is tabular or block, and is provided with vertical sidepiece 21 in both sides, vertically is provided with cross through hole 22 on the sidepiece 21; Anti-attrition piece 2 is positioned over torsion spring 4 belows, and is fixedly installed on the hinged place of outer swing arm 5 and linking arm 1 at cross through hole 22 interspersed bearing pins.

The second embodiment

Referring to Fig. 6-Fig. 8, this Domestic hinge, anti-attrition piece 3B is working of plastics, and is in the form of slot, and is provided with vertical sidepiece 31 in both sides, vertically is provided with cross through hole 32 on the sidepiece 31; Anti-attrition piece B 3 is positioned over torsion spring 4 belows, and described groove position 33 assemblies are in interior swing arm 6 one ends, and interts bearing pins at cross through hole 32 and be fixedly installed on the hinged place of interior swing arm 6 and linking arm 1.Other does not state part with the first embodiment.

The 3rd embodiment

Referring to Fig. 9-Figure 11, this Domestic hinge, anti-attrition piece comprise anti-attrition piece A 2 and anti-attrition piece B 3; Anti-attrition piece A 2 is working of plastics or metalwork, is tabular or block, and is provided with vertical sidepiece 21 in both sides, vertically is provided with cross through hole 22 on the sidepiece 21; Anti-attrition piece A2 is positioned over torsion spring 4 belows, and is fixedly installed on the hinged place of outer swing arm 5 and linking arm 1 at cross through hole 22 interspersed bearing pins; Anti-attrition piece B 3 is metalwork or working of plastics, and is in the form of slot, and is provided with vertical sidepiece 31 in both sides, vertically is provided with cross through hole 32 on the sidepiece 31; Anti-attrition piece B 3 is positioned over anti-attrition piece A 2 belows, and described groove position 33 assemblies are in interior swing arm 6 one ends, and interts bearing pins at cross through hole 32 and be fixedly installed on the hinged place of interior swing arm 6 and linking arm 1.Other does not state part with the first embodiment.

Above-mentioned is preferred version of the present utility model, and those of ordinary skills all drop within the protection domain of the present utility model its simple modification or transformation.

Claims

1. Domestic hinge, comprise the linking arm (1) and the flexible cup base (10) that connect by swing arm, be provided with in the hinge at least flexible cup base (10) is produced the torsion spring (4) that opens and closes active force, it is characterized in that being provided with the anti-attrition piece between torsion spring (4) and the interior swing arm (6), anti-attrition piece and interior swing arm (6) are slidingly connected in the hinge opening-closing process; Be provided with fixed part on the anti-attrition piece, and by bearing pin the anti-attrition piece be fixed in outer swing arm (5) or the interior swing arm (6).

2. Domestic hinge according to claim 1 is characterized in that described anti-attrition piece is working of plastics or metalwork, is tabular, block, groove shape, shell-like, T shape or ring-type, and is fixedly connected with outer swing arm (5) or interior swing arm (6).

3. Domestic hinge according to claim 2 is characterized in that described anti-attrition piece A(2) for working of plastics, be tabular, and at least one side is provided with vertical sidepiece (21), vertically is provided with cross through hole (22) on the sidepiece (21); Anti-attrition piece A(2) be positioned over torsion spring (4) below, and by bearing pin with anti-attrition piece A(2) be fixed on the hinged place of outer swing arm (5) and linking arm (1).

4. Domestic hinge according to claim 2 is characterized in that described anti-attrition piece B(3) for working of plastics, in the form of slot, and at least one side is provided with vertical sidepiece (31), vertically is provided with cross through hole (32) on the sidepiece (31); Anti-attrition piece B(3) be positioned over torsion spring (4) below, described groove position (33) assembly is in interior swing arm (6) one ends, and by bearing pin with anti-attrition piece B(3) be fixed on the hinged place of interior swing arm (6) and linking arm (1).

5. Domestic hinge according to claim 2 is characterized in that described anti-attrition piece comprises anti-attrition piece A(2) and anti-attrition piece B(3); Anti-attrition piece A(2) be working of plastics or metalwork, be tabular, and at least one side is provided with vertical sidepiece (21), vertically be provided with cross through hole (22) on the sidepiece (21); Anti-attrition piece A(2) be positioned over torsion spring (4) below, and by bearing pin with anti-attrition piece A(2) be fixed on the hinged place of outer swing arm (5) and linking arm (1); Anti-attrition piece B(3) be metalwork or working of plastics, in the form of slot, and at least one side is provided with vertical sidepiece (31), vertically is provided with cross through hole (32) on the sidepiece (31); Anti-attrition piece B(3) be positioned over anti-attrition piece A(2) below, described groove position (33) assembly is in interior swing arm (6) one ends, and by bearing pin with anti-attrition piece B(3) be fixed on the hinged place of interior swing arm (6) and linking arm (1).

6. each described Domestic hinge is characterized in that described swing arm comprises outer swing arm (5) and interior swing arm (6) according to claim 1-5; Torsion spring (4) is arranged on the hinged place of linking arm (1) and outer swing arm (5) by the bearing pin location; Torsion spring (4) comprise at least an end and linking arm (1) against feet, and the other end and anti-attrition piece (2,3) or interior swing arm (6) against feet.

7. Domestic hinge according to claim 6 is characterized in that described torsion spring (4) comprises head end feet (41), middle part feet (42) and end support pin (43); Initial and end end feet and linking arm (1) against, middle part feet (42) and anti-attrition piece (2,3) or interior swing arm (6) against.

8. Domestic hinge according to claim 7 is characterized in that described torsion spring (4) is arranged on the hinged place of linking arm (1) and outer swing arm (5) by the bearing pin location; Described outer, interior swing arm both sides are hinged with linking arm (1) and flexible cup base (10) respectively; Interior swing arm (6) is positioned at outer swing arm (5) below, and its outer end and middle part are hinged by bearing pin and flexible cup base (10) and linking arm (1) respectively; Be provided with fixed arm (8) in the linking arm (1), also be provided with damper (9) in the fixed arm (8), the piston rod of damper (9) and centering block (7) one ends join, it is inner by the bearing pin connection for transmission with interior swing arm (6) that described centering block (7) is provided with fluting (71), and centering block (7) middle part is hinged by bearing pin and linking arm (1).