CN112796600A

CN112796600A - Hinge auxiliary device of furniture folding door

Info

Publication number: CN112796600A
Application number: CN202110203678.XA
Authority: CN
Inventors: 刘卫星; 梁大伟; 张堂梁; 张钦
Original assignee: Guangdong Shunde Keyue Precision Hardware Manufacturing Co ltd
Current assignee: Guangdong Shunde Keyue Precision Hardware Manufacturing Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-05-14

Abstract

The invention discloses a hinge auxiliary device of a furniture folding door, which comprises a fixed shell, a swing rod mechanism, a spring assembly and a damping adjusting mechanism, wherein the swing rod mechanism, the spring assembly and the damping adjusting mechanism are positioned on the fixed shell, the swing rod mechanism is arranged on the fixed shell in a swinging mode, the spring assembly is positioned on one side of the swing rod mechanism, the swing rod mechanism and the spring assembly generate interaction force in the swinging process, the damping adjusting mechanism comprises a first damping assembly, a second damping assembly and a damping adjusting assembly, the swing rod mechanism can push the first damping assembly to move in the swinging process, the damping adjusting assembly is movably connected with the second damping assembly, and the second damping assembly is connected with the first damping assembly. The hinge auxiliary device can be used for furniture with a heavy cabinet door, and meets the use requirements.

Description

Hinge auxiliary device of furniture folding door

Technical Field

The invention relates to a hinge auxiliary device of a furniture folding door.

Background

In the furniture industry, in order to save the installation space of furniture, the cabinet door of the furniture is generally set to be an upturned door, and then the cabinet body and the cabinet door are connected through an upturned door hinge. In order to make the buffering effect when the cabinet door is closed better, be provided with auxiliary device on the cabinet body and cabinet door generally, through the supplementary hinge of auxiliary device to guarantee that the cabinet door is more gentle at the in-process of closing.

The existing auxiliary device is generally provided with a spring buffer assembly, and the cabinet door is buffered through the spring buffer assembly when being closed. In the process of implementing the invention, the inventor finds that the following problems exist in the prior art: the buffer power of current spring buffer unit is limited, and this auxiliary device can only be used for the lighter cabinet door of weight, has not satisfied the user demand.

Disclosure of Invention

The invention aims to provide a hinge auxiliary device of a furniture folding door, which can be used for furniture with a heavier cabinet door and meets the use requirement.

The technical scheme is as follows:

the utility model provides a hinge auxiliary device of furniture folding door, includes fixed shell and is located pendulum rod mechanism, spring unit and damping adjustment mechanism on the fixed shell, pendulum rod mechanism swing set up in on the fixed shell, spring unit is located one side of pendulum rod mechanism, pendulum rod mechanism in the wobbling in-process with spring unit produces the interaction force, damping adjustment mechanism includes first damping subassembly, second damping subassembly and damping adjustment subassembly, pendulum rod mechanism can promote at the wobbling in-process first damping subassembly removes, damping adjustment subassembly with second damping subassembly swing joint, second damping subassembly with first damping subassembly links to each other.

First damping subassembly includes damping welt and first attenuator, it holds the chamber to be equipped with the damping on the damping welt, first attenuator is located the damping holds the intracavity, be equipped with two first spacing grooves on the damping welt, two first spacing inslot is fixed with the damping gag lever post respectively, the one end of first attenuator with the damping welt links to each other, the other end of first attenuator with keep away from the damping gag lever post of pendulum rod subassembly offsets.

The second damping assembly comprises a damping seat and a second damper, the damping seat is fixed on the fixed shell, the second damper is movably arranged on the damping seat, and the damping lining plate is abutted to the second damper.

The damping adjusting assembly is movably arranged on the damping seat and comprises an adjusting nut and an adjusting screw rod, the adjusting nut is in threaded connection with the adjusting screw rod, and the second damper is connected with the adjusting screw rod.

The spring assembly comprises a spring, a first spring sleeve and a second spring sleeve, wherein the first spring sleeve and the second spring sleeve are oppositely arranged, two ends of the spring are respectively fixed on the first spring sleeve and the second spring sleeve, the second spring sleeve is fixedly connected with the fixed shell, the fixed shell is provided with a limiting slide rail, and the first spring sleeve can slide on the limiting slide rail.

The swing rod mechanism comprises a pull rod, a swing rod assembly, a swing support and a force adjusting assembly, the swing rod assembly is rotatably hinged to the fixed shell, the swing support abuts against the swing rod assembly, the swing support is rotatably hinged to the fixed shell, the force adjusting assembly is fixed on the swing support, one end of the pull rod is rotatably hinged to the force adjusting assembly, and the other end of the pull rod is rotatably hinged to the first spring sleeve.

Dynamics adjusting part includes stop collar, adjusting screw and adjusting block, the stop collar the adjusting collar is fixed in respectively on the swing support, adjusting screw's screw head activity set up in on the adjusting collar, adjusting screw's bottom activity set up in on the stop collar, the adjusting block cover is located on the adjusting screw, the pull rod with adjusting screw is rotatory articulated.

The adjusting screw is provided with an adjusting limiting disc in a sleeved mode, the adjusting limiting disc and the screw head form an adjusting limiting portion, an adjusting limiting groove and a first limiting rod are arranged on the adjusting sleeve, the first limiting rod is located in the adjusting limiting portion, and the screw head of the adjusting screw is fixed in the adjusting limiting groove through the first limiting rod and the adjusting limiting portion.

The adjusting sleeve and the fixed shell are provided with corresponding adjusting grooves, and the adjusting grooves in the adjusting sleeve are communicated with the adjusting limiting grooves.

The pendulum rod subassembly includes a plurality of cams and two damping regulating plates, and is a plurality of the cam stacks respectively two between the damping regulating plate, be equipped with the butt curved surface on the cam, be equipped with the roller on the swing support, the roller along the orbit roll operation of butt curved surface.

The following illustrates the advantages or principles of the invention:

1. the hinge auxiliary device is applied to connecting a cabinet body and a cabinet door of furniture, a spring assembly and a damping adjusting mechanism are arranged on a fixed shell of the hinge auxiliary device, and when the cabinet door is closed, mutual acting force is generated among the swing rod mechanism, the spring assembly and the damping adjusting mechanism, so that the closing speed of the cabinet door is reduced. The damping adjusting mechanism comprises a first damping component, a second damping component and a damping adjusting component, and in the process of closing the cabinet door, the swing rod mechanism is in contact with the first damping component and pushes the first damping component to move, the first damping component pushes the second damping component, so that damping buffering is realized through the first damping component and the second damping component, the closing speed of the cabinet door is further slowed down, and the closing of the cabinet door is softer. According to the hinge auxiliary device, the cabinet door is buffered through the spring assembly and the damping adjusting mechanism, so that the buffering force when the cabinet door is closed is increased, and therefore the hinge auxiliary device can be used for furniture with a heavy cabinet door weight, and the using requirements are met.

2. The damping adjusting component is movably connected with the second damping component, and the damping force of the second damper of the second damping component can be adjusted through the damping adjusting component, so that the damping force when the cabinet door is closed can be adjusted according to the weight of the cabinet door.

3. When the cabinet door is opened, the spring assembly and the damping adjusting mechanism can apply acting force to the swing rod mechanism, so that the force required when the cabinet door is closed is reduced, and the cabinet door is easier and easier to open.

Drawings

FIG. 1 is a schematic view showing the structure of the hinge auxiliary device of the present embodiment;

FIG. 2 is a schematic view showing a state of use of the hinge auxiliary device of the present embodiment;

FIG. 3 is a schematic view showing the internal structure of the hinge auxiliary device of the present embodiment;

FIG. 4 is another schematic view of the hinge auxiliary device of the present embodiment;

FIG. 5 is an exploded view of the hinge assist apparatus of the present embodiment;

FIG. 6 is a schematic view of the combination of the swing bracket and the force adjusting assembly of the present embodiment;

FIG. 7 is a cross-sectional view of the hinge aid in an open condition of the cabinet door;

FIG. 8 is a cross-sectional view of the hinge aid in a closed condition of the cabinet door;

description of reference numerals:

10. fixing the housing; 20. a swing rod mechanism; 30. a spring assembly; 40. a damping adjustment mechanism; 11. an upper housing; 12. a lower housing; 21. a pull rod; 22. a swing rod component; 23. a swing bracket; 24. a force adjusting component; 221. a cam; 222. a damping adjusting plate; 50. a connecting arm; 60. a fixed support; 70. limiting cushion blocks; 221a and a swing rod limiting part; 71. a bracket limiting groove; 221b, an abutting curved surface; 80. rolling; 241. a limiting sleeve; 242. an adjusting sleeve; 243. adjusting screws; 244. adjusting the sliding block; 245. adjusting the limiting disc; 246. adjusting the limiting part; 242a and an adjusting limit groove; 242b, a first limiting rod; 90. an adjustment groove; 31. a spring; 32. a first spring housing; 33. a second spring housing; 34. a spring trepan boring; 35. a spring limiting shaft; 41. a first damping assembly; 42. a second damping assembly; 43. a damping adjustment assembly; 411. a damping liner plate; 412. a first damper; 413. a damping accommodating cavity; 414. a first limit groove; 415. a damping limiting rod; 223. an adjustment section; 421. a damping seat; 422. a second damper; 431. adjusting the nut; 432. adjusting the screw rod.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "middle", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

As shown in fig. 1 to 8, the present embodiment discloses a hinge auxiliary device for a folding door of furniture, which includes a fixed housing 10, and a swing link mechanism 20, a spring assembly 30 and a damping adjustment mechanism 40 which are located on the fixed housing 10. The fixed housing 10 includes an upper housing 11 and a lower housing 12 matching with the upper housing 11, a receiving cavity is formed between the upper housing 11 and the lower housing 12, and the spring assembly 30, the damping adjustment mechanism 40 and portions of the swing link mechanism 20 are located in the receiving cavity.

The swing link mechanism 20 of the present embodiment includes a pull rod 21, a swing link assembly 22, a swing bracket 23 and a force adjusting assembly 24. The swing link assembly 22 is rotatably hinged to the fixed housing 10, the swing link assembly 22 includes a plurality of cams 221 and two damping adjustment plates 222, and the plurality of cams 221 are respectively stacked between the two damping adjustment plates 222. As shown in fig. 2, the plurality of cams 221 may be respectively connected with the connecting arms 50, and the fixing brackets 60 may be connected to the connecting arms 50. When the hinge auxiliary device is applied to a furniture cabinet door, the hinge auxiliary device can be installed on the cabinet body, the fixed support 60 is installed on the cabinet door, and the cabinet body is connected with the cabinet door through the connecting arm 50.

The lower shell 12 is fixed with a limiting cushion block 70, the plurality of cams 221 are respectively provided with a swing rod limiting part 221a, the limiting cushion block 70 is located on one side of the swing rod limiting part 221a, when the cabinet door is closed, the swing rod limiting part 221a is in contact with the limiting cushion block 70, and the swing rod assembly 22 is limited through the swing rod limiting part 221a and the limiting cushion block 70.

One end of the swing bracket 23 is rotatably hinged with the limiting cushion block 70 through a rotating shaft, in order to limit the swing bracket 23, a bracket limiting groove 71 is arranged on the limiting cushion block 70, one end of the swing bracket 23 is positioned in the bracket limiting groove 71, and the swing bracket 23 is limited through the bracket limiting groove 71 in the rotating process.

The swing link assembly 22 abuts against the swing bracket 23, and in the closing process of the cabinet door, the swing link assembly 22 can push the swing bracket 23 to rotate. In order to realize the contact between the swing bracket 23 and the swing link assembly 22, in the present embodiment, the plurality of cams 221 are provided with the contact curved surfaces 221b, the roller 80 is fixed to the swing bracket 23, the contact between the swing link assembly 22 and the swing bracket 23 is realized through the roller 80 and the contact curved surfaces 221b, and the roller 80 rolls along the track of the contact curved surfaces 221 b.

The force adjusting assembly 24 is fixed on the swing bracket 23, and the force adjusting assembly 24 includes a limiting sleeve 241, an adjusting sleeve 242, an adjusting screw 243 and an adjusting slider 244. The limiting sleeve 241 and the adjusting sleeve 242 are fixed on the swing bracket 23 respectively, the screw head of the adjusting screw 243 is movably arranged on the adjusting sleeve 242, the bottom of the adjusting screw 243 is movably arranged on the limiting sleeve 241, the adjusting slider 244 is sleeved on the adjusting screw 243, and one end of the pull rod 21 is rotatably hinged to the adjusting screw 243.

When the position of the pull rod 21 needs to be adjusted, the adjusting screw 243 can be rotated by the screw head of the adjusting screw 243, the adjusting screw 243 drives the adjusting slider 244 to move on the adjusting screw 243 in the rotating process, and the adjusting slider 244 drives the pull rod 21 on the adjusting slider 244 to move in the moving process.

In order to prevent the adjusting screw 243 from being displaced during the rotation process, in the present embodiment, an adjusting limiting disc 245 is sleeved on the adjusting screw 243, and an adjusting limiting portion 246 is formed between the adjusting limiting disc 245 and the screw head. The adjusting sleeve 242 is provided with an adjusting limiting groove 242a and two first limiting rods 242b, the two first limiting rods 242b are respectively located in the adjusting limiting portion 246, and the screw head of the adjusting screw 243 is fixed in the adjusting limiting groove 242a through the first limiting rods 242b and the adjusting limiting portion 246. In this embodiment, the first limit rod 242b and the adjustment limit portion 246 limit the adjustment screw 243, so as to prevent the adjustment screw 243 from being separated from the adjustment limit groove 242a in the rotating process, and the first limit rod 242b does not affect the rotation of the adjustment screw 243 while achieving the limiting function.

In order to drive the adjusting screw 243 to rotate, the adjusting sleeve 242 and the fixed shell 10 are provided with corresponding adjusting grooves 90, and the adjusting grooves 90 on the adjusting sleeve 242 are communicated with the adjusting limit groove 242 a. When the position of the pull rod 21 needs to be adjusted, one end of a screw or the like which can drive the adjusting screw 243 to rotate can be inserted into the adjusting limiting groove 242a through the adjusting groove 90 on the fixed shell 10 and the adjusting sleeve 242, so that the adjusting screw 243 can be driven. In order to adjust the position of the adjusting slider 244 accurately, marks such as "+", "-" may be marked on the side of the adjusting slot 90 of the fixed housing 10, wherein "+" may indicate that the adjusting slider 244 moves toward the adjusting sleeve 242 when rotating in the direction, and "-" may indicate that the adjusting slider 244 moves away from the adjusting sleeve 242 when rotating in the direction.

A through hole is formed in the position, corresponding to the adjusting screw 243, of the fixed shell 10, a scale is marked on the side edge of the through hole, the adjusting slider 244 can be observed to move through the through hole in the moving process of the adjusting slider 244, and the moving distance of the adjusting slider 244 can be accurately controlled through the scale.

The spring assembly 30 is located at one side of the swing link mechanism 20, and the swing link mechanism 20 generates an interaction force with the spring assembly 30 during the swing process. The spring assembly 30 includes a spring 31, and a first spring housing 32 and a second spring housing 33 disposed opposite to each other. Preferably, the spring assembly 30 includes three springs 31. In order to fix the spring 31, the first spring housing 32 and the second spring housing 33 are respectively provided with corresponding spring housing holes 34, and two ends of the three springs 31 are respectively fixed in the spring housing holes 34 of the first spring housing 32 and the second spring housing 33.

In order to limit the spring 31, spring limiting shafts 35 are further respectively disposed in the three spring sleeve holes 34 of the first spring sleeve 32, and one end of each of the three springs 31 is respectively sleeved on the three spring limiting shafts 35.

The first spring housing 32 is movably disposed on the stationary housing 10, and the second spring housing 33 is fixed on the stationary housing 10. Two limiting slide rails are arranged on the fixed shell 10, two limiting slide grooves are arranged at corresponding positions of the bottom of the first spring sleeve 32, and the first spring sleeve 32 can slide on the two limiting slide rails through the two limiting slide grooves.

When the cabinet door is closed, the swing link assembly 22 pushes the swing bracket 23 to rotate during the swing process, and the swing bracket 23 pushes the first spring sleeve 32 to move towards the direction close to the second spring sleeve 33 through the pull rod 21 during the rotation process. The first spring housing 32 presses the three springs 31 during the movement, so that the elastic force of the three springs 31 is gradually increased, thereby slowing down the closing speed of the cabinet door.

When the cabinet door is opened, the first spring housing 32 is pushed to move away from the second spring housing 33 under the action of the elastic force of the three springs 31, and the first spring housing 32 pushes the swing bracket 23 to rotate through the pull rod 21 in the moving process. The swing bracket 23 applies an acting force to the swing rod assembly 22 in the rotating process, so that the cabinet door is easier to open, and the force required when the cabinet door is opened is reduced.

The damping adjustment mechanism 40 of the present embodiment includes a first damping member 41, a second damping member 42 and a damping adjustment member 43, wherein the first damping member 41 and the second damping member 42 are arranged side by side in the transverse direction on the fixed housing 10.

The first damping assembly 41 includes a damping lining plate 411 and a first damper 412, a damping accommodating cavity 413 is formed on the damping lining plate 411, and the first damper 412 is located in the damping accommodating cavity 413. In order to limit the damping lining plate 411, two first limiting grooves 414 are arranged on the damping lining plate 411, the two first limiting grooves 414 are oppositely arranged, and the first limiting groove 414 far away from the swing rod assembly 22 is communicated with the damping accommodating cavity 413. Damping limiting rods 415 are respectively fixed in the two first limiting grooves 414. One end of the first damper 412 is connected to the damping lining plate 411, and the other end of the first damper 412 abuts against a damping limiting rod 415 far away from the swing link assembly 22.

In order to realize the damping effect of the first damping assembly 41, the two damping adjusting plates 222 are respectively provided with a corresponding adjusting portion 223, and in the closing process of the cabinet door, the adjusting portions 223 of the damping adjusting plates 222 abut against the damping lining plate 411 to push the damping lining plate 411 to move towards the direction close to the second damping assembly 42. The damping lining 411 achieves buffering through the first damper 412 during movement.

The second damping component 42 includes a damping seat 421 and a second damper 422, the damping seat 421 is fixed on the fixed housing 10, the second damper 422 is movably disposed on the damping seat 421, and the damping lining plate 411 is abutted to the second damper 422.

The damping adjusting assembly 43 is movably arranged on the damping seat 421, the damping adjusting assembly 43 comprises an adjusting nut 431 and an adjusting screw 432, the adjusting nut 431 is in threaded connection with the adjusting screw 432, and the second damper 422 is connected with the adjusting screw 432. To facilitate adjustment of the damping adjustment assembly 43, at least a portion of the adjustment nut 431 protrudes outside of the stationary housing 10.

When the cabinet door is closed, the adjusting portion 223 of the damping adjusting plate 222 pushes the damping lining plate 411 to move towards the direction close to the damping seat 421, and the damping lining plate 411 further realizes damping buffering through the second damper 422 in the moving process. When the cabinet door is opened, the second damper 422 pushes the damping lining plate 411 to move towards the direction far away from the damping seat 421, and the damping lining plate 411 generates acting force on the damping adjusting plate 222 in the moving process, so that the cabinet door is further opened more easily.

When it is required to adjust the damping force of the second damper 422, the adjustment nut 431 may be rotated, and the adjustment screw 432 may move relative to the adjustment nut 431 during the rotation of the adjustment nut 431. The adjusting screw 432 drives the second damper 422 to move relative to the damping base 421 during the movement process.

The hinge auxiliary device of this embodiment is applied to the cabinet body and the cabinet door of connecting furniture, uses with the hinge cooperation. When the cabinet door is closed, the oscillating bar mechanism 20, the spring assembly 30 and the damping adjustment mechanism 40 generate mutual acting force, so that the closing speed of the cabinet door is reduced. In the process of closing the cabinet door, in the process of contacting the swing rod mechanism 20 with the first damping component 41 and pushing the first damping component 41 to move, the first damping component 41 pushes the second damping component 42, so that damping buffering is realized through the first damping component 41 and the second damping component 42 together, the closing speed of the cabinet door is further slowed down, and the closing of the cabinet door is softer. This embodiment cushions the cabinet door through spring assembly 30 and damping adjustment mechanism 40 jointly, and the buffering power when the increase cabinet door is closed to make the hinge auxiliary device can be used for cabinet door weight ratio heavy furniture on, satisfy the user demand. The damping force of the second damper 422 of the second damping member 42 can be adjusted by the damping adjustment member 43, so that the damping force when the cabinet door is closed can be adjusted according to the weight of the cabinet door.

The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or combined in other various forms without departing from the basic technical idea of the present invention.

Claims

1. The utility model provides a hinge auxiliary device of furniture folding door, its characterized in that, including fixed shell and being located pendulum rod mechanism, spring unit and damping adjustment mechanism on the fixed shell, pendulum rod mechanism swing set up in on the fixed shell, spring unit is located one side of pendulum rod mechanism, pendulum rod mechanism at the wobbling in-process with spring unit produces the interact power, damping adjustment mechanism includes first damping subassembly, second damping subassembly and damping adjustment subassembly, pendulum rod mechanism can promote at the wobbling in-process first damping subassembly removes, damping adjustment subassembly with second damping subassembly swing joint, second damping subassembly with first damping subassembly links to each other.

2. The hinge auxiliary device of the furniture folding door as claimed in claim 1, wherein the first damping component comprises a damping lining plate and a first damper, the damping lining plate is provided with a damping accommodating cavity, the first damper is located in the damping accommodating cavity, the damping lining plate is provided with two first limiting grooves, damping limiting rods are respectively fixed in the two first limiting grooves, one end of the first damper is connected with the damping lining plate, and the other end of the first damper abuts against the damping limiting rod far away from the swing rod component.

3. The hinge auxiliary device of the furniture folding door as claimed in claim 2, wherein said second damping member comprises a damping seat and a second damper, said damping seat is fixed on said fixed housing, said second damper is movably disposed on said damping seat, and said damping liner abuts against said second damper.

4. The hinge auxiliary device of the furniture folding door as claimed in claim 3, wherein the damping adjusting component is movably disposed on the damping seat, the damping adjusting component comprises an adjusting nut and an adjusting screw rod, the adjusting nut is in threaded connection with the adjusting screw rod, and the second damper is connected with the adjusting screw rod.

5. The hinge auxiliary device of the furniture folding door as claimed in any one of claims 1 to 4, wherein the spring assembly comprises a spring, and a first spring housing and a second spring housing which are oppositely arranged, two ends of the spring are respectively fixed on the first spring housing and the second spring housing, the second spring housing is fixedly connected with the fixed shell, a limit slide rail is arranged on the fixed shell, and the first spring housing can slide on the limit slide rail.

6. The hinge auxiliary device of the furniture folding door according to claim 5, wherein the swing link mechanism comprises a pull rod, a swing link assembly, a swing bracket and a force adjusting assembly, the swing link assembly is rotatably hinged to the fixed housing, the swing bracket abuts against the swing link assembly, the swing bracket is rotatably hinged to the fixed housing, the force adjusting assembly is fixed to the swing bracket, one end of the pull rod is rotatably hinged to the force adjusting assembly, and the other end of the pull rod is rotatably hinged to the first spring housing.

7. The hinge auxiliary device of the furniture folding door as claimed in claim 6, wherein the force adjusting assembly comprises a limiting sleeve, an adjusting screw and an adjusting slider, the limiting sleeve and the adjusting sleeve are respectively fixed on the swing bracket, a screw head of the adjusting screw is movably arranged on the adjusting sleeve, a bottom of the adjusting screw is movably arranged on the limiting sleeve, the adjusting slider is sleeved on the adjusting screw, and the pull rod is rotatably hinged to the adjusting screw.

8. The hinge auxiliary device of the furniture folding door as claimed in claim 7, wherein the adjusting screw is sleeved with an adjusting limiting disc, an adjusting limiting portion is formed between the adjusting limiting disc and the screw head, the adjusting sleeve is provided with an adjusting limiting groove and a first limiting rod, the first limiting rod is located in the adjusting limiting portion, and the screw head of the adjusting screw is fixed in the adjusting limiting groove through the first limiting rod and the adjusting limiting portion.

9. The hinge auxiliary device of the folding door of furniture as claimed in claim 7, wherein the adjusting sleeve and the fixed housing are provided with corresponding adjusting grooves, and the adjusting grooves on the adjusting sleeve are communicated with the adjusting limit groove.

10. The hinge auxiliary device of a furniture folding door according to claim 5, wherein the swing link assembly comprises a plurality of cams and two damping adjustment plates, the plurality of cams are respectively stacked between the two damping adjustment plates, the cams are provided with abutting curved surfaces, the swing bracket is provided with rollers, and the rollers roll along the tracks of the abutting curved surfaces.