CN102425349B

CN102425349B - Furniture hinge

Info

Publication number: CN102425349B
Application number: CN201110461539.3A
Authority: CN
Inventors: 伍志勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-24
Filing date: 2011-12-24
Publication date: 2014-07-02
Anticipated expiration: 2031-12-24
Also published as: CN102425349A

Abstract

The invention relates to a furniture hinge, which comprises a fixed seat connected with a wallboard, and a movable seat connected with a door plate, wherein the fixed seat and the movable seat are connected through a connecting arm and a connecting rod assembly, the connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the third connecting rod and the fourth connecting rod are mutually hinged and are respectively provided with a first connecting piece and a second connecting piece, an angle maintainer is arranged between the two connecting pieces, the second connecting piece and the angle maintainer are mutually abutted, and a rolling piece is arranged between the second connecting piece and the angle maintainer. A hook of the second connecting piece is provided with an opening A in the position sliding relatively to the angle maintainer, and the rolling piece is connected to the opening A through a pin shaft A and is connected with the angle maintainer in a rolling mode. Or, the angle maintainer is provided with an opening B in the position sliding relatively to the hook of the second connecting piece, the rolling piece is connected to the opening B through a pin shaft B and is connected with the hook of the second connecting piece in a rolling mode. The frictional coefficient of the furniture hinge between the second connecting piece and the angle maintainer is greatly reduced so as to avoid scratch or crush between the second connecting piece and the angle maintainer, the service life of the furniture hinge is greatly prolonged, and the furniture hinge meets related standards.

Description

Hinge for furniture

Technical field

The present invention relates to a kind of hinge for furniture.

Background technology

I disclose a kind of damper structure of furniture hinge on February 9th, 2011 at Chinese patent literature CN101967925A, comprise the damper being arranged in hinge, and hinge comprises holder, linking arm, link assembly and sliding seat; Stretch out towards sliding seat direction the outer end of damper rod, and its piston rod outer end is provided with rolling member; And/or sliding seat and piston rod contact position are provided with rolling member.Rolling member is roller or ball, and rotation is arranged on piston rod outer end; Sliding seat middle part is provided with cavity, and both sides are provided with connecting wing; Roller or ball and cavity inner bottom surface or connecting wing surface are touched.The piston rod end of this structure arranges rolling member, thereby sliding friction when piston rod is contacted with sliding seat changes rolling friction into, reduces friction factor; Meanwhile, rolling friction position arranges noise reduction and touches portion, reducing noise while making piston rod and sliding seat collision.Its third connecting rod and the 4th connecting rod are respectively arranged with the first connector and the second connector, between two connectors, be provided with angle retainer, when hinge opening and closing, the second connector will slidably reciprocate on angle retainer, because adopting alloy material, the second connector is made, angle retainer adopts plastic production to form, both hardness differs larger, and be sliding friction between the two, friction factor is larger, in the process of actual measurement hinge opening and closing, the second connector is easily pressed angle retainer to collapse, hinge loses the power of the second connector fastening angle retainer when closed, cause hinge closure completely, need to be further improved.

Summary of the invention

Object of the present invention aim to provide a kind of simplicity of design, rational in infrastructure, move hinge for furniture smooth and easy, long service life, to overcome weak point of the prior art.

By a kind of hinge for furniture of this object design, comprise the holder joining with wallboard, the sliding seat of joining with door-plate, holder is connected with link assembly by linking arm with sliding seat, link assembly comprises first connecting rod, second connecting rod, third connecting rod and the 4th connecting rod, third connecting rod and the 4th connecting rod are hinged, and be respectively arranged with the first connector and the second connector, between two connectors, be provided with angle retainer, its architectural feature be the second connector and angle retainer mutually against, be provided with rolling member between the two.

Described the second connector and angle retainer against end be crotch, when hinge is closed, one end of crotch and angle retainer interlocks; When hinge is opened, roll mutually in one end of crotch and angle retainer, between other one end of angle retainer and the first connector, is provided with spring.

Described the second connector is one-body molded by die casting or punching press, or the crotch of described the second connector is fixed on the second connector by welding or buckle split.

The corresponding position of sliding with angle retainer of crotch of described the second connector is provided with opening A, and it is upper that rolling member is connected to opening A by bearing pin A, rolls and be connected with angle retainer.

The corresponding position of sliding with the second connector crotch of described angle retainer is provided with opening B, and it is upper that rolling member is connected to opening B by bearing pin B, rolls and is connected with the crotch of the second connector.

Described rolling member is roller or roller or bearing.

Described linking arm is connected with holder, the first, one end of third connecting rod is hinged with middle part and the front end of linking arm respectively, the first, the other end of third connecting rod respectively with second, one end of the 4th connecting rod is hinged, the second, the other end of the 4th connecting rod is hinged with sliding seat respectively, and the middle part of second connecting rod is also hinged with the middle part of third connecting rod.

Described linking arm is channel steel type, and its inner chamber is provided with damper, and the cylinder body of damper is fixed in the inner chamber of linking arm, when hinge is closed, and piston rod retraction cylinder body; When hinge is opened, piston rod stretches out cylinder body towards sliding seat direction.

The present invention by arranging rolling member between the second connector and angle retainer, thereby change sliding friction between the two into rolling friction, significantly reduce friction factor, rolling member and angle retainer (surface) or the second connector (crotch) adopt the suitable material of hardness to be made, avoid it that phenomenon of collapsing occurs to scratch or press each other, can be original several times by hinge opening and closing testing time, significantly increase the service life, meet the standard of use.It has the advantages that simplicity of design is reasonable, attractive and durable, cost of manufacture is low, easy to utilize.

Accompanying drawing explanation

Fig. 1 is the structural representation of one embodiment of the invention.

Fig. 2 is the top view of Fig. 1.

Fig. 3 is the sectional structure schematic diagram of A-A in Fig. 2.

Fig. 4 be Fig. 1 partly cut open schematic diagram.

Fig. 5 is the present invention's one working state structure schematic diagram.

Fig. 6 be Fig. 5 partly cut open schematic diagram.

Fig. 7 is the decomposition texture schematic diagram of third connecting rod of the present invention, the 4th connecting rod, sliding seat.

Fig. 8 is a structural representation of the present invention's the second connector.

Fig. 9 is the another structural representation of the present invention's the second connector.

Figure 10 is a structural representation again of the present invention's the second connector.

The specific embodiment

Below in conjunction with drawings and Examples, the invention will be further described.

Referring to Fig. 1-Figure 10, this hinge for furniture, comprise the holder 2 joining with wallboard 1, the sliding seat 4 of joining with door-plate 3, holder 2 is connected with link assembly by linking arm 5 with sliding seat 4, link assembly comprises first connecting rod 6, second connecting rod 7, third connecting rod 8 and the 4th connecting rod 9, third connecting rod 8 and the 4th connecting rod 9 are hinged, and be respectively arranged with the first connector 11 and the second connector 12, between two connectors, be provided with angle retainer 10, it is characterized in that the second connector 12 and angle retainer 10 mutually against, be provided with rolling member between the two.

The second connector 12 and angle retainer 10 against end be crotch, one end of crotch and angle retainer 10 interlocks or rolling mutually, between other one end of angle retainer 10 and the first connector 11, is provided with spring 13.Second connector 12 of the present embodiment is one-body molded by die casting or punching press, as shown in Figure 8.According to actual design or processing needs, the crotch of the second connector 12 also can be fixed on the second connector 12 by welding (as shown in Figure 9) or buckle (as shown in figure 10) split.Generally speaking, in order to obtain larger hardness, the second connector 12 is made employing metal material, and its preferred material has aluminium alloys, kirsite, iron, stainless steel etc.

In the present embodiment, the design of rolling member is: the corresponding position of sliding with the second connector 12 crotches of angle retainer 10 is provided with opening B10.1, and it is upper that rolling member is connected to opening B by bearing pin B14, rolls and be connected with the crotch of the second connector 12.Scratch, press the phenomenon such as collapse for fear of between rolling member and the second connector 12, therefore quite (the preferred aluminium alloys of material, kirsite, iron, the stainless steel and other metal materials) of hardness of the second connector 12 (crotch) and rolling member.Similarly, rolling member can adopt following design, is specially: the corresponding position of sliding with angle retainer 10 of crotch of the second connector 12 is provided with opening A, and it is upper that rolling member is connected to opening A by bearing pin A, rolls and be connected with angle retainer 10.Because rolling member is positioned on crotch, therefore the angle retainer 10 of which can be made by whole employing metal material (preferably aluminium alloys, kirsite, iron, stainless steel and other metal materials), or angle retainer 10 adopts plastic production to form, again in its surface coverage one deck metal level suitable with the second connector 12 intensity (preferably aluminium alloys, kirsite, iron, stainless steel and other metal materials), to meet the requirement that angle retainer 10 is suitable with the hardness of rolling member, avoid scratching, press the phenomenon such as collapse.The technique effect that two kinds of designs reach is identical, adopts according to actual conditions.

In the present embodiment, rolling member is roller 15, also can adopts roller or bearing.Making material same preferably aluminium alloys, kirsite, iron, the stainless steel and other metal materials of rolling member.

Linking arm 5 is connected with holder 2, the first, one end of third connecting rod is hinged with middle part and the front end of linking arm respectively, the first, the other end of third connecting rod respectively with second, one end of the 4th connecting rod is hinged, the second, the other end of the 4th connecting rod is hinged with sliding seat 4 respectively, and the middle part of second connecting rod is also hinged with the middle part of third connecting rod.Linking arm 5 is channel steel type, and its inner chamber is provided with damper 16, and the cylinder body 16.1 of damper is fixed in the inner chamber of linking arm 5.

Between the present invention's the second connector and angle retainer, rolling member is set, thereby change sliding friction between the two into rolling friction, significantly reduce friction factor, rolling member and angle retainer (surface) or the second connector (crotch) adopt the suitable material of hardness to be made, avoid it that phenomenon of collapsing occurs to scratch or press each other, can be original several times by hinge opening and closing testing time, significantly increase the service life, meet the relevant criterion of use.

Operating principle of the present invention is: referring to Fig. 1-Fig. 4, when hinge is closed, piston rod 16.2 retraction cylinder bodies 16.1, form buffering, and one end of the crotch of the second connector 12 and angle retainer 10 interlocks, and crotch fastens roller 15.Referring to Fig. 5, Fig. 6, when hinge is opened, the roller 15 of the crotch of the second connector 12 and angle retainer 10 rolls mutually, and the piston rod 16.2 of damper 16 stretches out cylinder body 16.1 towards sliding seat 4 directions, prepares for cushioning next time.

Claims

1. a hinge for furniture, comprise the holder (2) joining with wallboard (1), the sliding seat (4) of joining with door-plate (3), holder (2) is connected with link assembly by linking arm (5) with sliding seat (4), link assembly comprises first connecting rod (6), second connecting rod (7), third connecting rod (8) and the 4th connecting rod (9), third connecting rod (8) and the 4th connecting rod (9) are hinged, and be respectively arranged with the first connector (11) and the second connector (12), between two connectors, be provided with angle retainer (10), it is characterized in that the second connector (12) and angle retainer (10) mutually against, be provided with rolling member between the two,

Described the second connector (12) and angle retainer (10) against end be crotch, when hinge is closed, one end of crotch and angle retainer (10) interlocks; When hinge is opened, roll mutually in one end of crotch and angle retainer (10), between other one end of angle retainer (10) and the first connector (11), is provided with spring (13);

Described the second connector (12) is one-body molded by die casting or punching press, or the crotch of described the second connector (12) is fixed on the second connector (12) by welding or buckle split;

The corresponding position of sliding with angle retainer (10) of crotch of described the second connector (12) is provided with opening A, and it is upper that rolling member is connected to opening A by bearing pin A, rolls and be connected with angle retainer (10);

Or, the corresponding position of sliding with the second connector (12) crotch of described angle retainer (10) is provided with opening B (10.1), it is upper that rolling member is connected to opening B by bearing pin B (14), rolls and be connected with the crotch of the second connector (12).

2. hinge for furniture according to claim 1, is characterized in that described rolling member is roller (15) or roller or bearing.

3. hinge for furniture according to claim 2, it is characterized in that described linking arm (5) is connected with holder (2), the first, one end of third connecting rod is hinged with middle part and the front end of linking arm respectively, the first, the other end of third connecting rod respectively with second, one end of the 4th connecting rod is hinged, the second, the other end of the 4th connecting rod is hinged with sliding seat (4) respectively, and the middle part of second connecting rod is also hinged with the middle part of third connecting rod.

4. hinge for furniture according to claim 3, it is characterized in that described linking arm (5) is channel steel type, its inner chamber is provided with damper (16), the cylinder body (16.1) of damper is fixed in the inner chamber of linking arm (5), when hinge is closed, piston rod (16.2) retraction cylinder body (16.1); When hinge is opened, piston rod (16.2) stretches out cylinder body (16.1) towards sliding seat (4) direction.