CN217488126U

CN217488126U - Furniture connecting hinge

Info

Publication number: CN217488126U
Application number: CN202221385898.5U
Authority: CN
Inventors: 温剑峰
Original assignee: Foshan Dingfengda Hardware Products Co ltd
Current assignee: Foshan Dingfengda Hardware Products Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-27
Anticipated expiration: 2032-06-02

Abstract

The furniture connecting hinge comprises a first connecting piece and a movable seat; the first connecting piece is fixedly connected with a locking fluted disc, and the locking fluted disc is rotatably arranged on the movable seat; the movable seat is provided with an angle locking structure, the angle locking structure comprises a tooth block which is slidably arranged on the movable seat, a locking spring which drives the tooth block and a locking tooth disc to be meshed with each other on the movable seat to lock the angle of the movable seat, and an unlocking rotary disc which unlocks the movable seat on the movable seat; the locking fluted disc is provided with a first stop block and a second stop block, wherein the first stop block enables the unlocking rotary disc to push the tooth block to leave the unlocking fluted disc for unlocking, and the second stop block enables the unlocking rotary disc to leave the tooth block; and the unlocking turntable is provided with an unlocking matching block and an unlocking driving block, wherein the unlocking matching block is movably arranged between the first stop block and the second stop block, and the unlocking driving block is used for matching with the first stop block and pushing the tooth block to move. The utility model discloses simplified hinge structure, be convenient for hinge subassembly and production and processing and combination assembly have improved the production efficiency of hinge.

Description

Furniture connecting hinge

Technical Field

The utility model relates to a furniture hinge technical field, concretely relates to furniture connection hinge.

Background

The hinge is a connecting part which is used for connecting two unconnected materials and enabling the two materials to rotate relatively within a certain angle, and the characteristic of the hinge enables the hinge to be widely applied to connection between a sofa and a sofa headrest. The furniture hinge comprises a first support, a second support and an angle locking mechanism, wherein the first support is composed of two first support plates which are symmetrically arranged, the second support is composed of two second support plates which are respectively arranged on the outer sides of the two first support plates, the first support and the second support are rotationally connected through a first rivet, two arc-shaped locking grooves are formed in the first support, two arc-shaped tooth grooves are formed in the second support, six locking teeth are arranged on the outer arc edges of the arc-shaped tooth grooves, and the angle locking mechanism comprises a locking block arranged in the arc-shaped locking grooves, and a clamping spring which is used for clamping and driving the locking block in the arc-shaped locking grooves and movably matched with the locking teeth to limit the rotation angle of the second support. However, the hinge provided by this patent suffers from the following disadvantages:

1. the hinge is provided with two arc-shaped locking grooves and two arc-shaped tooth grooves through the first support and the second support, so that the hinge needs to be provided with two angle locking mechanisms for angle locking by utilizing the two arc-shaped locking grooves, the number of parts of the hinge is large, and the problems that the hinge part is difficult to process and the assembling process is complicated exist;

2. the locking piece can only cooperate a lock tooth to realize the regulation of a gear at every turn, and the easy fatigue damage of lock tooth after long-time the use, the locking piece can only cooperate a lock tooth moreover, leads to bearing capacity and load less, and the lock tooth is damaged easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a furniture connecting hinge.

The utility model provides a technical scheme that its technical problem adopted is:

the furniture connecting hinge comprises a first connecting piece and a movable seat capable of adjusting the angle relative to the first connecting piece; the method is characterized in that: the first connecting piece is fixedly connected with a locking fluted disc, and the locking fluted disc is rotatably arranged on the movable seat; the movable seat is provided with an angle locking structure, the angle locking structure comprises a tooth block which is slidably arranged on the movable seat, a locking spring which drives the tooth block and a locking tooth disc to be meshed with each other on the movable seat to lock the angle of the movable seat, and an unlocking rotary disc which unlocks the movable seat on the movable seat;

the locking fluted disc is provided with a first stop block and a second stop block, wherein the first stop block enables the unlocking rotary disc to push the tooth block to leave the unlocking fluted disc for unlocking, and the second stop block enables the unlocking rotary disc to leave the tooth block; the unlocking turntable is provided with an unlocking matching block and an unlocking driving block, wherein the unlocking matching block is movable between the first stop block and the second stop block, the unlocking driving block is used for matching with the pushing tooth block to move, and the unlocking matching block is used for matching with the first stop block or the second stop block.

The utility model discloses in, be equipped with outer arc tooth section on the locking fluted disc periphery, be equipped with on the tooth piece and be used for the inner arc tooth section with outer arc tooth section meshing.

The utility model discloses in, the sliding seat comprises two semi-shells, locking fluted disc, tooth piece, locking spring, unblock carousel all are located between two semi-shells.

The utility model discloses in, be equipped with the guide way on the half casing, install the guiding axle on the tooth piece, the tip movable mounting of guiding axle is in the guide way.

The utility model discloses in, be equipped with on the unblock drive block and be used for making the tooth piece keep leaving the unblock support position of outer arc tooth section state, be used for letting the guiding axle tip slide and enter into the drive inclined plane of unblock support position.

In the utility model, a synchronous mounting shaft which synchronously rotates with the locking gear disc is arranged on the locking gear disc, and a rotary through hole for the end part of the synchronous mounting shaft to pass through is arranged on the semi-shell; the synchronous installation shaft is provided with a synchronous through hole, and the first connecting piece is provided with a fixed installation shaft matched with the synchronous through hole.

The utility model discloses in, the cross-sectional shape of synchronous through-hole and fixed mounting axle is the polygon.

In the utility model, the inner side of the half shell is provided with an unlocking rotary groove and an unlocking movable groove, the center of the unlocking rotary groove corresponds to the center of the rotary through hole, and the unlocking rotary disc is rotatably arranged in the unlocking rotary groove; the unlocking movable groove is communicated with the periphery of the unlocking rotary groove, and the unlocking driving block is movably arranged in the unlocking movable groove.

The utility model discloses in, be connected with the second connecting piece on the sliding seat.

The utility model discloses in, be equipped with first cartridge groove on the tooth piece, be equipped with second cartridge groove on the second connecting piece, the both ends difference cartridge of locking spring is in first cartridge groove and second cartridge groove.

The utility model has the advantages that: in the utility model, the first connecting piece is rotationally connected with the movable seat through the locking fluted disc, and the movable seat is provided with an angle locking structure which comprises a tooth block, a locking spring and an unlocking turntable; in the adjusting process of the movable seat, the locking spring is used for controlling the tooth block to be meshed with the locking toothed disc, and the adjusting angle of the movable seat is locked; when the movable seat needs to be reset to the minimum angle gear, the first stop block on the locking gear disc can be matched with the unlocking rotary disc, so that the unlocking rotary disc pushes the gear block to be separated from the unlocking fixed gear disc for unlocking, and a user can drive the movable seat to rotate and return to the minimum angle gear; and rotate at the sliding seat and return to minimum angle gear after, the second dog can make the unblock carousel leave the second dog of tooth piece with the cooperation of unblock carousel, lets locking spring can the re-drive tooth piece and locking gear meshing locking sliding seat, the utility model discloses an above-mentioned structure has simplified hinge structure, and the hinge subassembly of being convenient for and production and processing and combination assembly have improved the production efficiency of hinge. In addition, through the meshing of the locking fluted disc and the tooth block, the number of teeth meshed between the locking fluted disc and the tooth block is large when the angle and the gear are adjusted, and the hinge has the advantages of large load and strong bearing capacity.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a perspective view of the movable seat of the present embodiment without adjusting the angle;

FIG. 2 is an overall exploded view of the present embodiment;

FIG. 3 is an exploded view of a portion of the present embodiment;

fig. 4 is a perspective view of the movable seat being reset to a minimum angle in the present embodiment;

fig. 5 is a perspective view of the unlocking dial unlocking the movable seat in the present embodiment;

fig. 6 is a perspective view of the movable seat in the present embodiment after adjusting the angle;

fig. 7 is a schematic structural diagram of the unlocking dial in the embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Referring to fig. 1-7, the furniture connecting hinge comprises a first connecting piece 1, a movable seat 2 which can adjust the angle relative to the first connecting piece 1; the first connecting piece 1 is fixedly connected with a locking fluted disc 3, and the locking fluted disc 3 is rotatably arranged on the movable seat 2; the movable seat 2 is provided with an angle locking structure, the angle locking structure comprises a tooth block 4 which is slidably arranged on the movable seat 2, a locking spring 5 which drives the tooth block 4 and a locking toothed disc 3 to be meshed with each other on the movable seat 2 to lock the angle of the movable seat 2, and an unlocking rotary disc 6 which unlocks the movable seat 2 on the movable seat 2;

a first stop block 32 for enabling the unlocking rotary disc 6 to push the tooth block 4 to leave the unlocking fixed tooth disc 3 for unlocking and a second stop block 33 for enabling the unlocking rotary disc 6 to leave the tooth block 4 are arranged on the locking tooth disc 3; the unlocking rotary table 6 is provided with an unlocking matching block 61 and an unlocking driving block 62, the unlocking matching block 61 is movably arranged between the first stop block 32 and the second stop block 33 and used for matching and pushing the tooth block 4 to move, and the unlocking matching block 61 is used for matching with the first stop block 32 or the second stop block 33 to enable the unlocking rotary table 6 to realize corresponding actions.

As a preferred embodiment, the outer arc tooth section 31 is disposed on the outer circumferential surface of the locking toothed disc 3, and the inner arc tooth section 41 is disposed on the toothed block 4 for engaging with the outer arc tooth section 31, so that the convex teeth of the inner arc tooth section 41 can be completely engaged with the convex teeth of the outer arc tooth section 31, and the acting force generated when the toothed block 4 locks the angle can be distributed on the plurality of convex teeth of the inner arc tooth section 41, thereby improving the stability of the locking angle of the toothed block 4 and avoiding the problem that a single convex tooth of the inner arc tooth section 41 is damaged due to force.

In a preferred embodiment, the movable seat 2 is composed of two half shells 20, and the locking toothed disc 3, the toothed block 4, the locking spring 5 and the unlocking dial 6 are located between the two half shells 20. The half shells 20 are provided with guide grooves 21, the tooth block 4 is provided with a guide shaft 8 which can move along the guide grooves 21 in a guiding way, and the end part of the guide shaft 8 is movably arranged in the guide grooves 21, so that the purpose of slidably arranging the tooth block 4 between the two half shells 20 is realized; and the tooth block 4 is arranged through the guide shaft 8, so that the tooth block 4 can swing by an angle by taking the guide shaft 8 as an axis, and the tooth block 4 is conveniently and movably matched with the outer arc tooth section 31. In this embodiment, be equipped with the direction shaft hole on the cogged block 4, guide shaft 8 rotationally locates in the direction shaft hole, guide shaft hole sliding fit is stretched out in guide way 21 at the both ends of guide shaft 8.

In this embodiment, there are two unlocking rotary tables 6, one unlocking rotary table 6 is disposed on the inner side of each half shell 20, the two unlocking rotary tables 6 are symmetrically disposed, the two unlocking rotary tables 6 are respectively located on two sides of the locking toothed disc 3, so that the unlocking driving blocks 62 of the two unlocking rotary tables 6 can respectively push two ends of the guide shaft 8, the guide shaft 8 can stably move in the guide groove 21, and the tooth block 4 can also stably slide to be close to the outer arc tooth segment 31 or far away from the outer arc tooth segment 31.

In a preferred embodiment, a driving space far away from the outer arc tooth section 31 is formed between the first stopper 32 and the second stopper 33, and the unlocking matching block 61 is movably arranged in the driving space; the unlocking driving block 62, the unlocking matching block 61 and the unlocking turntable 6 are integrally formed, and the structural stability is high. The unlocking driving block 62 is provided with an unlocking supporting position 621 for keeping the tooth block 4 away from the outer arc tooth section 31, and a driving inclined surface 622 for allowing the end of the guide shaft 8 to slide into the unlocking supporting position 621.

When a user needs to adjust the angle of the movable seat 2, the movable seat 2 is pulled forward along the periphery of the locking fluted disc 3 to unfold for adjusting the angle. After the movable seat 2 is adjusted to the maximum angle gear, the unlocking matching block 61 abuts against the first stop block 32, so that the unlocking rotary disc 6 cannot continuously rotate forwards along the periphery of the locking fluted disc 3, while the movable seat 2, the guide shaft 8 and the tooth block 4 can continuously rotate forwards along the periphery of the locking fluted disc 3, in the process of continuous forward rotation, the guide shaft 8 slides on the driving inclined plane 622 and enters the unlocking support position 621 along the driving inclined plane 622 along with the rotation of the guide shaft, at the moment, the inner arc tooth section 41 of the tooth block 4 leaves the outer arc tooth section 31, the locking spring 5 is compressed, and a user can drive the movable seat 2 to rotate backwards and reset to the minimum angle gear; when sliding seat 2 resets to minimum angle gear, unblock cooperation piece 61 supports and makes unblock carousel 6 can not continue to overturn along locking fluted disc 3 periphery on second dog 33, and sliding seat 2, guide shaft 8 and tooth piece 4 can continue to overturn along locking fluted disc 3 periphery, in the in-process that continues to overturn, guide shaft 8 withdraws from unblock support position 621, and at this moment, locking spring 5 expandes inner arc tooth section 41 and the meshing of outer arc tooth section 31 of drive tooth piece 4, the angle of elastic locking sliding seat 2.

In a preferred embodiment, the locking toothed disc 3 is provided with a synchronous mounting shaft 34 that rotates synchronously therewith, the housing half 20 is provided with a rotation through hole 24 through which an end of the synchronous mounting shaft 34 passes, and the rotation through hole 24 has a diameter larger than that of the end of the synchronous mounting shaft 34, so that the movable seat 2 can be adjusted in angle about the synchronous mounting shaft 34. Be equipped with synchronous through-hole on the synchronous installation axle 34, be equipped with the fixed mounting axle 9 that matches with synchronous through-hole on the first connecting piece 1, the cartridge of fixed mounting axle 9 is in synchronous through-hole, and in order to make fixed mounting axle 9 can drive synchronous installation axle 34 and rotate, the cross-sectional shape of synchronous through-hole and fixed mounting axle 9 is the polygon, preferably hexagon. In the above structure, the locking disk 3, the first stopper 32, the second stopper 33, and the synchronization mounting shaft 34 are integrally formed, and the structural stability is high.

In the above structure, an unlocking rotation groove 22 for the unlocking rotation disc 6 to move and an unlocking movement groove 23 for the unlocking driving block 62 to move are provided on the inner side of the half shell 20, the center of the unlocking rotation groove 22 corresponds to the center of the rotation through hole 24, and the unlocking rotation disc 6 is rotatably placed in the unlocking rotation groove 22; the unlocking movable groove 23 is communicated with the periphery of the unlocking rotary groove 22, the unlocking driving block 62 is movably arranged in the unlocking movable groove 23, and the unlocking movable groove 23 can limit the movable range of the unlocking driving block 62, so that the unlocking driving block 62 can be effectively matched with the guide shaft 8.

In this embodiment, one end of the fixed mounting shaft 9 is fixedly provided with a fixed limiting block, the other end is provided with a detachable movable limiting block 91, and the first connecting member 1 and the synchronous mounting shaft 34 are located between the fixed limiting block and the movable limiting block 91, so that the first connecting member 1, the synchronous mounting shaft 34 and the locking fluted disc 3 can be connected together in a combined manner. In this embodiment, the fixed limiting block and the fixed mounting shaft 9 are integrally formed, the movable limiting block 91 is a bolt, and a screw hole matched with the bolt is formed in the other end of the fixed mounting shaft 9. In addition, in order to reduce the friction between the first connecting member 1 and the half shell 20 and between the movable limiting member 91 and the half shell 20, a first rubber mat 100 sleeved outside the fixed mounting shaft 9 is disposed between the first connecting member 1 and the half shell 20, and a second rubber mat 200 sleeved outside the fixed mounting shaft 9 is disposed between the movable limiting member 91 and the half shell 20.

As preferred embodiment, first connecting piece 1 is the L shape structure, first connecting piece 1 is including being montant and the horizontal pole that L shape is connected, the one end that the montant was kept away from to the horizontal pole is equipped with connecting portion, fixed mounting axle 9 is installed on connecting portion. The vertical rod comprises a first rod section connected with the cross rod and a second rod section connected with the first rod section, an upper cap 40, a lower gasket 50 and a nut 60 which are sequentially arranged from top to bottom are sleeved outside the second rod section, the diameter of the first rod section is larger than that of the second rod section, the diameter of an inner ring of the upper cap 40 is smaller than that of the first rod section, and therefore the upper cap 40 cannot slide upwards onto the first rod section; the nut 60 is in threaded connection with the second rod section.

As a preferred embodiment, the movable seat 2 may be directly connected to a furniture component, and may be connected to the furniture component through a second connecting member 7, for example, the movable seat 2 is connected to the second connecting member 7 through a rivet 20, specifically: the second connecting element 7 comprises a first connecting plate and a second connecting plate attached to the side of the first connecting plate, one end of the first connecting plate being riveted between the two half-shells 20 by three rivets 20. In this embodiment, be equipped with the movable notch 71 that supplies the tooth piece 4 activity on the first connecting plate, when tooth piece 4 removed from the fixed fluted disc 3 of unblanking along the guide way 21 direction, the lock tooth can slide in movable notch 71 to avoid second connecting piece 7 to influence the normal work of tooth piece 4, activity notch 71 also plays limiting displacement simultaneously, lets tooth piece 4 only can rotate less angle, avoids tooth piece 4 to take place the circumferential direction rotation phenomenon.

In the above structure, the tooth block 4 is provided with a first insertion groove 42, the second connecting member 7 is provided with a second insertion groove 72, two ends of the locking spring 5 are respectively inserted into the first insertion groove 42 and the second insertion groove 72, the second insertion groove 72 is provided on the inner wall of the movable gap 71,

in this embodiment, be equipped with two adaptation slot holes 73 on the second fixed plate, locate two connect the through-hole 74 between two adaptation slot holes 73, two connect the through-hole 74 and arrange the setting along same straight line interval, two connect the through-hole 74 and be used for being connected with the part of furniture, and when the hole site is not right, can utilize two adaptation slot holes 73 adaptation hole sites to satisfy the installation requirement.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The furniture connecting hinge comprises a first connecting piece (1) and a movable seat (2) capable of adjusting the angle relative to the first connecting piece (1); the method is characterized in that: the first connecting piece (1) is fixedly connected with a locking fluted disc (3), and the locking fluted disc (3) is rotatably arranged on the movable seat (2); the movable seat (2) is provided with an angle locking structure, the angle locking structure comprises a tooth block (4) which is slidably arranged on the movable seat (2), a locking spring (5) which drives the tooth block (4) to be meshed with the locking fluted disc (3) on the movable seat (2) to lock the angle of the movable seat (2), and an unlocking turntable (6) which unlocks the movable seat (2) on the movable seat (2);

a first stop block (32) for enabling the unlocking rotary disc (6) to push the tooth block (4) to leave the unlocking fixed tooth disc (3) for unlocking and a second stop block (33) for enabling the unlocking rotary disc (6) to leave the tooth block (4) are arranged on the locking tooth disc (3); the unlocking rotary table (6) is provided with an unlocking matching block (61) which is movable between the first stop block (32) and the second stop block (33) and an unlocking driving block (62) which is used for matching and pushing the tooth block (4) to move, and the unlocking matching block (61) is used for matching with the first stop block (32) or the second stop block (33).

2. The furniture connecting hinge according to claim 1, wherein: an outer arc tooth section (31) is arranged on the outer peripheral surface of the locking fluted disc (3), and an inner arc tooth section (41) meshed with the outer arc tooth section (31) is arranged on the tooth block (4).

3. The furniture connecting hinge according to claim 1, wherein: the movable seat (2) is composed of two half shells (20), and the locking fluted disc (3), the tooth block (4), the locking spring (5) and the unlocking turntable (6) are all located between the two half shells (20).

4. The furniture connecting hinge according to claim 3, wherein: the semi-shell (20) is provided with a guide groove (21), the tooth block (4) is provided with a guide shaft (8), and the end part of the guide shaft (8) is movably arranged in the guide groove (21).

5. The furniture connecting hinge according to claim 2, wherein: the unlocking driving block (62) is provided with an unlocking supporting position (621) for keeping the tooth block (4) away from the outer arc tooth section (31) and a driving inclined plane (622) for enabling the end part of the guide shaft (8) to slide into the unlocking supporting position (621).

6. The furniture connecting hinge according to claim 3, wherein: a synchronous mounting shaft (34) which synchronously rotates with the locking fluted disc (3) is arranged on the locking fluted disc, and a rotating through hole (24) through which the end part of the synchronous mounting shaft (34) passes is formed in the half shell (20); the synchronous installation shaft (34) is provided with a synchronous through hole, and the first connecting piece (1) is provided with a fixed installation shaft (9) matched with the synchronous through hole.

7. The furniture connecting hinge according to claim 6, wherein: the cross sections of the synchronous through hole and the fixed mounting shaft (9) are polygonal.

8. The furniture connecting hinge according to claim 4, wherein: an unlocking rotary groove (22) and an unlocking movable groove (23) are formed in the inner side of the half shell (20), and the unlocking rotary disc (6) is rotatably placed in the unlocking rotary groove (22); the unlocking movable groove (23) is communicated with the periphery of the unlocking rotary groove (22), and the unlocking driving block (62) is movably arranged in the unlocking movable groove (23).

9. The furniture connecting hinge according to claim 1, wherein: and the movable seat (2) is connected with a second connecting piece (7).

10. The furniture connecting hinge according to claim 9, wherein: the tooth block (4) is provided with a first insertion groove (42), the second connecting piece (7) is provided with a second insertion groove (72), and two ends of the locking spring (5) are respectively inserted into the first insertion groove (42) and the second insertion groove (72).