CN105640106A

CN105640106A - Furniture hinge

Info

Publication number: CN105640106A
Application number: CN201610144615.0A
Authority: CN
Inventors: 申翰雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-14
Filing date: 2016-03-14
Publication date: 2016-06-08

Abstract

The invention discloses a furniture hinge. The furniture hinge comprises a hinge cover and a hinge plate, wherein the hinge cover can be connected with a fixed support, and the hinge plate can be connected with a rotatable support and is hinged to the hinge cover through a hinge shaft I. A stopping mechanism for stopping the hinge plate from rotating is arranged in the hinge cover and comprises a stopping block, a stopping tooth and a spring, wherein the stopping block is hinged to the hinge cover, the stopping tooth is positioned at the end of the stopping block, and the spring is mounted on the stopping block. A helical gear centering on the hinge shaft I is arranged on the periphery of the hinge plate and meshes with the stopping tooth. A cam is arranged on the hinge shaft I, the outer peripheral edge of the cam is divided into three portions, the first portion is a projection with the diameter being larger than that of the addendum circle of the helical gear, the second portion is a recessed portion with the diameter being smaller than that of addendum circle of the helical gear, and a slideway serves as the third portion. A shift lever inserted into the slideway is arranged on the hinge plate. The furniture hinge only comprising several accessories requires fewer accessories, so that production, processing and assembly are facilitated; the furniture hinge is simple and skillful in structure and low in failure rate.

Description

A kind of Domestic hinge

Technical field

The present invention relates to a kind of furniture part, be specifically related to a kind of Domestic hinge.

Background technology

Generally, in order to enable a consumer to have more comfortable impression, the headrest of automotive seat or sofa all adopts the design of adjustable angle integral expression, the most direct mode realizing this design is exactly arrange the hinge of a connection headrest in sofa, headrest is followed the rotation of hinge and is changed the angle between sofa body, this design makes the angle of inclination that consumer can rest the head on according to self service condition adjustment, thus obtaining the comfortable effect of the best.

The hinge that existing sofa headrest uses generally includes: fixed support, swinging mounting, and the attachment structure the two being rotatably connected. As shown in Chinese utility model patent that the patent No. is 201420502611.1, comprising: fixed support, swinging mounting and attachment structure, described fixed support and swinging mounting are rotatably connected by described attachment structure; Described attachment structure includes: chain wheel, axis and stop mechanism; Described chain wheel is fixing with fixed support to be connected; Described axis runs through chain wheel and swinging mounting, thus swinging mounting and chain wheel being rotatably connected; Described stop mechanism is arranged between chain wheel and swinging mounting so that swinging mounting rotates within the specific limits relative to chain wheel only, and can realize many grades of screens in slewing area. Although this structure achieves the adjustment of hinge, but structure is complicated, and accessory is various, and the requirement of processing is high, and production cost is high, and easily breaks down.

Summary of the invention

In order to overcome the deficiencies in the prior art, the present invention provides a kind of rational in infrastructure, Domestic hinge that result of use is good.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of Domestic hinge, including connecting support bracket fastened hinged cover, the flap of swinging mounting can be connected, described flap is hinged by jointed shaft I and hinged cover, the stop mechanism that restriction articulated slab rotates it is additionally provided with in hinged cover, the periphery of described flap is provided with the helical gear centered by jointed shaft I, described stop mechanism includes hinge scotch on hinged cover, it is positioned at the stop tooth of scotch end, it is arranged on the spring on scotch, described stop tooth and helical gear engage each other, described jointed shaft I is additionally provided with cam, the neighboring of described cam is divided into three parts, a part is the diameter protuberance more than beveled gear teeth outside diameter circle, a part is the diameter recess less than beveled gear teeth root diameter, a part is chute, flap is provided with the driving lever inserted in chute.

In the present invention, transition cambered surface it is provided with between described protuberance and recess.

In the present invention, described hinged cover is divided into two parts that front and back are symmetrical, and by rivet interlacement between front and rear part, the sidewall of described hinged cover is provided with rib, and described rib is provided with mean for the breach of flap traverse.

In the present invention, the middle part of described flap is provided with the recess corresponding with rib.

In the present invention, described flap is divided into two parts that front and back are symmetrical, leaves the support installation position being connected with swinging mounting between front and rear part.

In the present invention, described scotch is arranged on hinged cover by jointed shaft II, and described spring is wind spring, and the middle part of wind spring is arranged on jointed shaft II, and one end of wind spring withstands on the inwall of hinged cover, and the other end withstands on the sidewall of scotch.

The invention has the beneficial effects as follows: by scotch, flap is carried out stop, when flap runs to extreme position, driving lever is driven to stir cam, the stop tooth of scotch is boosted by the protuberance of cam, makes stop tooth be disengaged with helical gear, and now flap can be freely movable, when flap adverse movement to extreme position, driving driving lever to stir cam, cam reversely rotates and makes stop tooth from leaving protuberance and entering recess and engage with helical gear, it is achieved thereby that the angular adjustment of hinge. Said structure only has several accessories altogether, and required accessory is few, it is simple to production and processing and assembling, and production cost is low, and simple and ingenious structure, failure rate is low.

Accompanying drawing explanation

Below in conjunction with drawings and embodiments, the present invention is further described:

Fig. 1 is the structural representation of the present embodiment;

Fig. 2 is the structural representation after the present embodiment rotates;

Fig. 3 is the structural representation of flap;

Fig. 4 is the structural representation of cam;

Fig. 5 is the structural representation of scotch.

Detailed description of the invention

Referring to figs. 1 through Fig. 5, a kind of Domestic hinge that the present embodiment provides, including connecting support bracket fastened hinged cover 1, the flap 2 of swinging mounting can be connected, described hinged cover 1 and flap 2 are made by iron, described flap 2 is hinged by jointed shaft I 3 and hinged cover 1, the stop mechanism that restriction articulated slab 2 rotates it is additionally provided with in hinged cover 1, the periphery of described flap 2 is provided with the helical gear 4 centered by jointed shaft I 3, described stop mechanism includes hinge scotch 5 on hinged cover 1, it is positioned at the stop tooth 6 of scotch 5 end, it is arranged on the spring 7 on scotch 5, described stop tooth 6 engages each other with helical gear 4, and make the helical gear 4 can only one-directional rotation, described jointed shaft I 3 is additionally provided with cam 16, the neighboring of described cam 16 is divided into three parts, a part is the diameter protuberance 8 more than helical gear 4 tip diameter, a part is the diameter recess 9 less than helical gear 4 root diameter, a part is chute 10, it is provided with transition cambered surface between described protuberance 8 and recess 9, stop tooth 6 can enter protuberance 8 or recess 9 along this transition cambered surface, flap 2 is provided with the driving lever 11 inserted in chute 10, described driving lever 11 is welded on flap 2.

As preferred embodiment, described hinged cover 1 is divided into two parts that front and back are symmetrical, rivet interlacement is passed through between front and rear part, the sidewall of described hinged cover 1 is provided with rib 12, described rib 12 is provided with mean for the breach of flap 2 traverse, flap 2 is arranged between two pieces of hinged covers 1, and stretches out in breach. The middle part of described flap 2 is provided with the recess 13 corresponding with rib 12, and this recess 13 is just embedded on rib 12.

Further, described flap 2 is divided into two parts that front and back are symmetrical, the support installation position 14 being connected with swinging mounting is left between front and rear part, described cam 16 is between two blocks of flaps 2, and the inwall of two blocks of flaps 2 of distance has certain distance, when flap 2 rotates, do not affect the motion of cam 16, stir cam 16 only by driving lever 11. In the present embodiment, described scotch 5 is arranged on hinged cover 1 by jointed shaft II 15, described spring 7 is wind spring, the middle part of wind spring is arranged on jointed shaft II 15, one end of wind spring withstands on the inwall of hinged cover 1, and the other end withstands on the recessed position of scotch 5 sidewall, installs wind spring for convenience, described scotch 5 has magnetic, it is possible to absorption wind spring.

The operation principle of the present invention: when flap 2 rotates clockwise, stop tooth 6 and helical gear 4 relative sliding, and affect the rotation of flap 2, but when flap 2 rotates counterclockwise, stop tooth 6 withstands on helical gear 4, flap 2 cannot be rotated, when flap 2 is rotated clockwise to extreme position, driving lever 11 is driven to stir cam 16, the protuberance 8 making cam 16 promotes stop tooth 6 away from helical gear 4, after stop tooth 6 leaves helical gear 4, flap 2 just can reset in free activity, when flap 2 resets to extreme position counterclockwise, driving lever 11 is driven reversely to stir cam 16, the protuberance 8 making cam 16 leaves stop tooth 6 makes it engage with helical gear 4, thus having resetted, so repeatedly move.

The foregoing is only the preferred embodiments of the present invention, broadly falling within protection scope of the present invention as long as realizing the technical scheme of the object of the invention with essentially identical means.

Claims

1. a Domestic hinge, including connecting support bracket fastened hinged cover (1), the flap (2) of swinging mounting can be connected, described flap (2) is hinged by jointed shaft I (3) and hinged cover (1), the stop mechanism that restriction articulated slab (2) rotates it is additionally provided with in hinged cover (1), it is characterized in that: the periphery of described flap (2) is provided with the helical gear (4) centered by jointed shaft I (3), described stop mechanism includes hinge scotch (5) on hinged cover (1), it is positioned at the stop tooth (6) of scotch (5) end, it is arranged on the spring (7) on scotch (5), described stop tooth (6) and helical gear (4) engage each other, described jointed shaft I (3) is additionally provided with cam (16), the neighboring of described cam (16) is divided into three parts, a part is the diameter protuberance (8) more than helical gear (4) tip diameter, a part is the diameter recess (9) less than helical gear (4) root diameter, a part is chute (10), flap (2) is provided with the driving lever (11) inserted in chute (10).

2. a kind of Domestic hinge according to claim 1, it is characterised in that: it is provided with transition cambered surface between described protuberance (8) and recess (9).

3. a kind of Domestic hinge according to claim 1, it is characterized in that: described hinged cover (1) is divided into two parts that front and back are symmetrical, rivet interlacement is passed through between front and rear part, the sidewall of described hinged cover (1) is provided with rib (12), and described rib (12) is provided with mean for the breach of flap (2) traverse.

4. a kind of Domestic hinge according to claim 3, it is characterised in that: the middle part of described flap (2) is provided with the recess (13) corresponding with rib (12).

5. a kind of Domestic hinge according to claim 1 or 3, it is characterised in that: described flap (2) is divided into two parts that front and back are symmetrical, leaves the support installation position (14) being connected with swinging mounting between front and rear part.

6. a kind of Domestic hinge according to claim 1 or 3, it is characterized in that: described scotch (5) is arranged on hinged cover (1) by jointed shaft II (15), described spring (7) is wind spring, the middle part of wind spring is arranged on jointed shaft II (15), one end of wind spring withstands on the inwall of hinged cover (1), and the other end withstands on the sidewall of scotch (5).