CN102425349A

CN102425349A - Furniture hinge

Info

Publication number: CN102425349A
Application number: CN2011104615393A
Authority: CN
Inventors: 伍志勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-24
Filing date: 2011-12-24
Publication date: 2012-04-25
Anticipated expiration: 2031-12-24
Also published as: CN102425349B

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 hinge for furniture damper structure on February 9th, 2011 at Chinese patent document number CN101967925A, comprise the damper that is arranged in the hinge, and hinge comprises holder, linking arm, link assembly and sliding seat; Stretch out towards the sliding seat direction 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 the piston rod outer end; The sliding seat middle part is provided with cavity, and both sides are provided with the connection wing; Roller or ball are with the cavity inner bottom surface or be connected wing surface and touch.The piston rod end of this structure is provided with rolling member, thereby the sliding friction when piston rod contacted with sliding seat changes rolling friction into, reduces friction factor; Simultaneously, the rolling friction position is provided with noise reduction and touches portion, and noise reduces when making the collision of piston rod and sliding seat.Its third connecting rod and the 4th connecting rod are respectively arranged with first connector and second connector, are provided with the angle retainer between two connectors, during hinge opening and closing; Second connector will slidably reciprocate on the angle retainer, because second connector adopts alloy material to be made, the angle retainer adopts plastic production to form; Both hardness differs bigger, and is sliding friction between the two, and friction factor is bigger; In the process of actual measurement hinge opening and closing, second connector is pressed the angle retainer easily and is collapsed, and hinge loses the power that second connector fastens the angle retainer when closed; Cause hinge closure fully, remain further perfect.

Summary of the invention

The object of the invention aims to provide the hinge for furniture of a kind of simplicity of design, rational in infrastructure, smooth and easy, the long service life of operation, to overcome weak point of the prior art.

A kind of hinge for furniture by this purpose design; Comprise the holder that joins with wallboard, with the sliding seat that door-plate joins, holder is connected with link assembly through 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 are respectively arranged with first connector and second connector, are provided with the angle retainer between two connectors; Its architectural feature be second connector and angle retainer each other against, be provided with rolling member between the two.

Said second connector and angle retainer against the end be crotch, when hinge was closed, an end of crotch and angle retainer interlocked; When hinge was opened, an end of crotch and angle retainer rolled each other, was provided with spring between an other end of angle retainer and first connector.

Said second connector is one-body molded through die casting or punching press, and the crotch of perhaps said second connector is fixed on second connector through welding or buckle split.

The corresponding position of sliding with the angle retainer of the crotch of said second connector is provided with opening A, and rolling member is connected on the opening A through bearing pin A, and rolling with the angle retainer is connected.

The corresponding position of sliding with the second connector crotch of said angle retainer is provided with opening B, and rolling member is connected on the opening B through bearing pin B, and rolling with the crotch of second connector is connected.

Said rolling member is roller or roller or bearing.

Said linking arm is connected with holder; The first, an end of third connecting rod is hinged with the middle part and the front end of linking arm respectively; The first, the other end of third connecting rod is hinged with an end of the second, the 4th connecting rod respectively; 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.

Said linking arm is the channel-section 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 was opened, piston rod stretched out cylinder body towards the sliding seat direction.

The present invention is through being provided with rolling member between 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 second connector (crotch) adopt the suitable material of hardness to form; Avoid it to scratch each other or press the phenomenon of collapsing; Can be original several times through the hinge opening and closing testing time, increase the service life significantly, meet the standard of use.It has the advantages that simplicity of design is reasonable, attractive and durable, cost of manufacture is low, and is easy to utilize.

Description of drawings

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

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

Fig. 3 is the sectional structure sketch map of A-A among Fig. 2.

Fig. 4 partly cuts open sketch map for Fig. 1's.

Fig. 5 is the present invention's one working state structure sketch map.

Fig. 6 partly cuts open sketch map for Fig. 5's.

Fig. 7 is the decomposition texture sketch map 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 second connector.

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

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

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is further described.

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

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

In the present embodiment, the design of rolling member is: angle retainer 10 corresponding positions of sliding with second connector, 12 crotches are provided with opening B10.1, and rolling member is connected on the opening B through bearing pin B14, and rolling with the crotch of second connector 12 is connected.Scratch, press phenomenon such as collapse for fear of between the rolling member and second connector 12, therefore the hardness of second connector 12 (crotch) and rolling member quite (the preferred aluminium alloys of material, kirsite, iron, stainless steel and other metal materials).Likewise, rolling member can adopt following design, is specially: the corresponding position of sliding with angle retainer 10 of the crotch of second connector 12 is provided with opening A, and rolling member is connected on the opening A through bearing pin A, and rolling with angle retainer 10 is connected.Because rolling member is positioned on the crotch; Therefore the angle retainer 10 of this mode can be made by whole employing metal material (preferred aluminium alloys, kirsite, iron, stainless steel and other metal materials); Perhaps angle retainer 10 adopts plastic production to form; Again in its surface coverage one deck metal level suitable (preferred aluminium alloys, kirsite, iron, stainless steel and other metal materials) with second connector, 12 intensity; To satisfy the suitable requirement of hardness of angle retainer 10 and rolling member, avoid scratching, press phenomenon such as collapse.Two kinds of technique effects that design reached are identical, adopt according to actual conditions.

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

Linking arm 5 is connected with holder 2; The first, an end of third connecting rod is hinged with the middle part and the front end of linking arm respectively; The first, the other end of third connecting rod is hinged with an end of the second, the 4th connecting rod respectively; 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 the channel-section 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 second connector and the 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 second connector (crotch) adopt the suitable material of hardness to form; Avoid it to scratch each other or press the phenomenon of collapsing; Can be original several times through the hinge opening and closing testing time, increase the service life significantly, meet the relevant criterion of use.

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

Claims

1. hinge for furniture; Comprise the holder (2) that joins with wallboard (1), with the sliding seat (4) that door-plate (3) joins, holder (2) is connected with link assembly through 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 are respectively arranged with first connector (11) and second connector (12), are provided with angle retainer (10) between two connectors; It is characterized in that second connector (12) and angle retainer (10) each other against, be provided with rolling member between the two.

2. hinge for furniture according to claim 1, it is characterized in that said second connector (12) and angle retainer (10) against the end be crotch, when hinge was closed, an end of crotch and angle retainer (10) interlocked; When hinge was opened, an end of crotch and angle retainer (10) rolled each other, was provided with spring (13) between an other end of angle retainer (10) and first connector (11).

3. hinge for furniture according to claim 2 is characterized in that said second connector (12) is one-body molded through die casting or punching press, and the crotch of perhaps said second connector (12) is fixed on second connector (12) through welding or buckle split.

4. hinge for furniture according to claim 3 is characterized in that the corresponding position of sliding with angle retainer (10) of crotch of said second connector (12) is provided with opening A, and rolling member is connected on the opening A through bearing pin A, and rolling with angle retainer (10) is connected.

5. hinge for furniture according to claim 3; It is characterized in that the corresponding position of sliding with second connector (12) crotch of said angle retainer (10) is provided with opening B (10.1); Rolling member is connected on the opening B through bearing pin B (14), and rolling with the crotch of second connector (12) is connected.

6. according to claim 4 or 5 described hinge for furniture, it is characterized in that said rolling member is roller (15) or roller or bearing.

7. hinge for furniture according to claim 6; It is characterized in that said linking arm (5) is connected with holder (2); The first, an end of third connecting rod is hinged with the middle part and the front end of linking arm respectively; The first, the other end of third connecting rod is hinged with an end of the second, the 4th connecting rod respectively, and the other end of the second, 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.

8. hinge for furniture according to claim 7; It is characterized in that said linking arm (5) is the channel-section steel type, its inner chamber is provided with damper (16), and the cylinder body of damper (16.1) 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 was opened, piston rod (16.2) stretched out cylinder body (16.1) towards sliding seat (4) direction.