WO2022141736A1

WO2022141736A1 - Connecting piece and cup-shaped blind hinge

Info

Publication number: WO2022141736A1
Application number: PCT/CN2021/074606
Authority: WO
Inventors: 吴腾庆; 吴积庆
Original assignee: 吴腾庆
Priority date: 2020-12-30
Filing date: 2021-02-01
Publication date: 2022-07-07

Abstract

A connecting piece and a cup-shaped blind hinge. The connecting piece is rotatably connected between a hinge cup (1000) and a hinge arm (2000); the connecting piece comprises: a first connecting piece (3100), one end thereof being hinged to an end part in the hinge arm (2000) away from the hinge cup (1000), and the other end thereof being hinged to a second connecting piece (3200); the second connecting piece (3200), which is connected between the first connecting piece (3100) and the hinge cup (1000); a third connecting piece (3300), which has a bent shape, one end thereof being hinged to an end part in the hinge arm (2000) close to the hinge cup (1000), the other end thereof being hinged to a fourth connecting piece (3400), and the bending position of the third connecting piece (3300) being hinged to the second connecting piece (3200); and the fourth connecting piece (3400), which is connected between the third connecting piece (3300) and the hinge cup (1000). A buffer assembly (4000) is externally provided on the second connecting piece (3200) and is used for decreasing the rotational speed of the third connecting piece (3300). The opening and closing angles of a cup-shaped blind hinge is increased, and a buffering effect of the cup-shaped blind hinge during opening and closing is enhanced.

Description

Connectors and cupped concealed hinges

This application is required to be submitted to the China Patent Office on December 30, 2020, the patent name is "cup-shaped concealed hinge", the application number is 202011607245.2 The invention patent, and the patent name is "cup-shaped concealed hinge", the application number is 202023288346.6. The priority of the Chinese patent application for a new type patent, the entire contents of which are incorporated herein by reference.

technical field

This application relates to cupped concealed hinges for furniture hardware.

Background technique

The cup-shaped hidden hinge is generally composed of a hinge cup, a connecting plate, a hinge arm, a base, a fastening screw and an adjusting screw. The cup-shaped concealed hinge, as a common furniture hardware, is installed between the light cabinet door and the door frame, so that the door can be rotated relative to the door frame. However, the cup-shaped concealed hinge in the prior art has a small opening and closing angle and has poor buffering effect.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a connecting piece and a cup-shaped concealed hinge, which can solve the problems of small opening and closing angles and poor buffering effect of the existing cup-shaped concealed hinge.

One aspect of the embodiments of the present application provides a connecting member for rotatably connecting between a hinge cup and a hinge arm, the connecting member comprising: a first connecting member, a second connecting member, a third connecting member and Fourth connector:

One end of the first connecting piece is hinged at the end of the hinge arm away from the hinge cup, and the other end is hinged with the second connecting piece;

the second connecting piece is linked between the first connecting piece and the hinge cup;

The third connecting piece is in a bent shape, one end is hinged at the end of the hinge arm close to the hinge cup, and the other end is hinged on the fourth connecting piece, and the bending place of the third connecting piece is hinged. hinged to the second connecting piece;

the fourth connecting piece is linked between the third connecting piece and the hinge cup;

Wherein, the second connecting member is also provided with a buffer assembly, and the buffer assembly is used to slow down the rotation speed of the third connecting member.

Optionally, the second connector includes:

A buffer base, the buffer base includes a base bottom plate and base side plates located on both sides of the base bottom plate; the side of the base bottom plate close to the hinge arm and the base side plate form a accommodating space, the accommodating space is a storage space for accommodating the first connecting piece and the hinge arm; the side of the base bottom plate away from the hinge arm is used for fixing the buffer assembly; and

One end of the extension arm is fixedly connected to the side plate of the base, and the other end is hinged to the hinge cup.

Optionally, one end of the base side plate away from the extension arm is provided with a first protruding wing hole, and the second connecting member passes through the first protruding wing hole through a first rotating shaft and is connected to the first protruding wing hole. hinged;

One end of the base side plate close to the extension arm is provided with a second protruding wing hole; the second connecting piece passes through the bending of the second protruding wing hole and the third connecting piece through the second rotating shaft hinged.

Optionally, the buffer assembly includes:

Buffer bracket, buffer fixing frame and buffer body;

The bottom of the buffer bracket is provided with a first clip extending outward; the tail of the buffer bracket is provided with a second clip extending inward;

The base bottom plate is provided with a first bayonet for clamping the first clamping leg and a second bayonet for clamping the second clamping leg;

The buffer bracket is clamped into the first bayonet and the second bayonet respectively and is fixedly connected with the base bottom plate through the first clamping leg and the second clamping leg, and is formed with the base base plate a holder accommodating cavity for accommodating the buffer holder;

The buffer fixing frame is provided with a buffer accommodating cavity for accommodating the buffer body;

Wherein, the buffer body is arranged in the buffer accommodating cavity, one end of which is abutted on the side wall of the second clip, and the other end extends out of the buffer bracket and abuts against the third connection on the side of the piece near the bend.

Optionally, the buffer body further includes:

Buffer cylinder and buffer rod;

One end of the buffer oil rod is provided with a piston extending into the buffer oil cylinder, the piston is elastically connected with the buffer oil cylinder through a buffer spring, and the other end is provided with a plastic rubber sleeve extending out of the buffer oil cylinder;

A groove is provided on the side of the third connecting piece close to the bend, and the buffer oil rod is pressed against the groove through the plastic rubber sleeve;

Wherein, when the third connecting piece rotates, the third connecting piece will squeeze the plastic rubber sleeve through the groove, so that the buffer spring is deformed, so that the buffer assembly is in the The buffer is activated under the elastic force of the buffer spring.

Optionally, the buffer assembly further includes:

a buffer outer cover, the buffer outer cover and the base bottom plate form a bracket cavity for accommodating the buffer bracket;

The bottom of the side wall of the outer cover of the buffer is provided with a clamping block inward; the side plate of the base is provided with a clamping slot for clamping the clamping block;

The buffer outer cover is fixedly connected to the buffer base by being clamped into the card slot by a locking block.

Optionally, the hinge cup includes:

hinge cup side wings and hinge cup cavity;

A hinge cup fixing hole is provided on the wing arm of the hinge cup side wing, and the hinge cup is connected with the first arm surface through the hinge cup fixing hole through the hinge cup fixing piece;

The inner two ends of the hinge cup cavity are provided with a first concave cavity and a second concave cavity;

The first concave cavity is used for accommodating the extension arm, and the second concave cavity is used for accommodating the extension of the fourth connecting piece;

Wherein, the hinge cup passes through the first concave cavity and the extension arm and is rotatably connected to the second connecting piece through a third rotation shaft; the hinge cup passes through the first concave cavity through a fourth rotation shaft The two concave cavities and the extension of the fourth connecting piece are rotatably connected with the fourth connecting piece.

Optionally, the connector further includes:

the fifth connector;

One end of the fifth connecting piece is hinged at the end of the hinge arm close to the hinge cup, and the other end is hinged at the bend of the third connecting piece.

Optionally, the hinge arm includes:

Articulating arm base and articulating arm body;

The hinge arm base includes a hinge arm side wing, the wings of the hinge arm side wing are distributed with a first fixing hole and a first adjusting hole, and the top of the hinge arm body is provided with a second fixing hole and a second adjusting hole;

The hinge arm base is connected to the second arm surface through the first fixing hole through the first fixing piece, and passes through the first adjustment hole through the first adjusting piece, so as to adjust the hinge cup and the second arm surface. the relative position of the second arm surface in the first direction;

The hinge arm body is connected to the hinge arm base through the second fixing hole through the second fixing piece, and passes through the second adjustment hole through the second adjusting piece to adjust the hinge The relative position of the arm and the second arm surface in the second direction.

Optionally, the top of the hinge arm body is further provided with a connecting eaves;

The connecting eave is provided with an eave hole, and the hinge arm is hinged with the first connecting piece through the eave hole through the fifth rotating shaft;

The flank of the hinge arm body is provided with a first flank hole and a second flank hole;

The hinge arm is hinged with the third connecting piece through the first side wing hole through a sixth rotation axis, wherein the third connecting piece is away from one end of the first side wing hole, and is connected to the third connecting piece through the seventh rotation axis. the fourth connector is hinged;

The hinge arm is hinged with the fifth connecting piece through the second side wing hole through the eighth rotation axis, wherein, the end of the fifth connecting piece away from the second side wing hole, through the second rotation The shaft is coaxially hinged with the second connecting piece and the third connecting piece at the bend of the third connecting piece at the same time.

Another aspect of the embodiments of the present application provides a cup-shaped concealed hinge, including:

hinge cups, hinge arms, connecting pieces and buffer components;

the connecting piece is rotatably connected between the hinge cup and the hinge arm;

Wherein, the connector includes a first connector, a second connector, a third connector and a fourth connector:

Wherein, the buffer assembly is externally placed on the second connecting member, and is used to slow down the rotation speed of the third connecting member.

Optionally, the second connector includes:

A buffer base, the buffer base includes a base bottom plate and base side plates located on both sides of the base bottom plate; the side of the base bottom plate close to the hinge arm and the base side plate form a accommodating space, the accommodating space is formed. a storage space for accommodating the first connecting piece and the hinge arm; the side of the base bottom plate away from the hinge arm is used for fixing the buffer assembly; and

Optionally, the buffer assembly includes:

Buffer bracket, buffer fixing frame and buffer body;

Optionally, the buffer body further includes:

Buffer cylinder and buffer rod;

Optionally, the buffer assembly further includes:

Optionally, the hinge cup includes:

hinge cup side wings and hinge cup cavity;

A hinge cup fixing hole is provided on the wing arm of the hinge cup side wing, and the hinge cup is connected to the first arm surface through the hinge cup fixing hole through the hinge cup fixing piece;

Optionally, the connector further includes:

the fifth connector;

Optionally, the hinge arm includes:

Articulating arm base and articulating arm body;

The cup-shaped concealed hinge provided in the embodiment of the present application improves the opening and closing angle of the cup-shaped concealed hinge through the cooperative connection of the first connecting piece and the second connecting piece and the cooperative connection of the third connecting piece and the fourth connecting piece, and solves the problem of solving the problem. The existing cup-shaped concealed hinge has a small opening and closing angle, and the buffering effect of the cup-shaped concealed hinge during opening and closing is enhanced by placing a buffer component outside the second connecting piece, which solves the problem of the existing cup-shaped concealed hinge. The problem of poor buffering effect.

Description of drawings

FIG. 1 schematically shows the overall schematic diagram of the cup-shaped concealed hinge of this embodiment;

FIG. 2 schematically shows a schematic diagram of a buffer assembly of the cup-shaped concealed hinge of the present embodiment;

FIG. 3 schematically shows a schematic diagram of part of the connecting parts of the cup-shaped concealed hinge of the present embodiment;

FIG. 4 schematically shows a schematic diagram of a hinge cup of the cup-shaped concealed hinge of the present embodiment;

FIG. 5 schematically shows a schematic diagram of the hinge arm of the cup-shaped concealed hinge of the present embodiment;

FIG. 6 schematically shows a schematic diagram of the fourth connecting piece of the cup-shaped concealed hinge of the present embodiment;

FIG. 7 schematically shows a perspective view of the cup-shaped concealed hinge of the present embodiment;

FIG. 8 schematically shows the closed state diagram of the cup-shaped concealed hinge of the present embodiment;

FIG. 9 schematically shows a schematic diagram of the open state of the cup-shaped concealed hinge of the present embodiment;

FIG. 10 schematically shows an overall schematic view of the cup-shaped concealed hinge of the present embodiment.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application more clearly understood, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

It should be noted that the descriptions involving "first", "second", etc. in the embodiments of the present application are only for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the indicated technical features quantity. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection claimed in this application.

It should be noted that the connectors and cup hinges protected by this application meet and are superior to the relevant definitions, requirements and inspection standards of the light industry standards of the People's Republic of China QB/T1242-1991 and QBT2189-2013 , at the same time, meet and exceed the relevant definitions, requirements and inspection standards in EU Standard 15570-2008.

The patent-protected connecting piece and the cup-shaped concealed hinge will be exemplarily described below by way of examples.

As shown in Figures 1-10, in this embodiment, the cup-shaped concealed hinge includes:

hinge cup 1000, the hinge cup 1000 includes: hinge cup side wings 1100 and hinge cup cavity 1200;

A hinge arm 2000, the hinge arm 2000 includes: a hinge arm base 2100 and a hinge arm body 2200;

a connecting piece, the connecting piece includes: a first connecting piece 3100, a second connecting piece 3200, a third connecting piece 3300, a fourth connecting piece 3400 and a fifth connecting piece 3500;

A buffer assembly 4000, the buffer assembly 4000: a buffer bracket 4100, a buffer fixing frame 4200, a buffer body 4300 and a buffer outer cover 4400;

Rotation axis 5000, the rotation axis 5000: first rotation axis 5100, second rotation axis 5200, third rotation axis 5300, fourth rotation axis 5400, fifth rotation axis 5500, sixth rotation axis 5600, seventh rotation axis 5700 and the eighth axis of rotation 5800.

In this embodiment, the connecting member is rotatably connected between the hinge cup 1000 and the hinge arm 2000;

The connectors include a first connector 3100, a second connector 3200, a third connector 3300 and a fourth connector 3400:

One end of the first connecting member 3100 is hinged to the end of the hinge arm 2000 away from the hinge cup 1000, and the other end is hinged to the second connecting member 3200;

the second connector 3200 is linked between the first connector 3100 and the hinge cup 1000;

The third connector 3300 is in a bent shape, one end is hinged to the end of the hinge arm 2000 close to the hinge cup 1000, and the other end is hinged to the fourth connector 3400, the third connector The bend of 3300 is hinged to the second connecting member 3200;

the fourth connector 3400 is linked between the third connector 3300 and the hinge cup 1000;

Wherein, the buffer assembly 4000 is externally placed on the second connecting member 3200 to slow down the rotation speed of the third connecting member 3300 .

In this embodiment, the second connecting member 3200 includes: a buffer base 3210 and an extension arm 3220, and the buffer base 3210 includes a base bottom plate 3230 and base side plates 3240 located on both sides of the base bottom plate 3230; The side of the base bottom plate 3230 close to the hinge arm 2000 and the base side plate 3240 form an accommodating space, which is used to accommodate the first connector 3100 and the hinge arm 2000; the base bottom plate The side of the 3230 away from the hinge arm 2000 is used to fix the buffer assembly 4000 ; one end of the extension arm 3220 is fixedly connected to the base side plate 3240 , and the other end is hinged to the hinge cup 1000 .

In this embodiment, the end of the base side plate 3240 away from the extension arm 3220 is provided with a first convex wing hole 3241 , and the second connecting member 3200 passes through the first convex wing through the first rotating shaft 5100 . The hole 3241 is hinged with the first connecting piece 3100 ; the end of the base side plate 3240 close to the extension arm 3220 is provided with a second wing hole 3242 ; the second connecting piece 3200 passes through the second rotating shaft 5200 The second protruding wing hole 3242 is hinged with the bend of the third connecting member 3300 .

In this embodiment, the buffer assembly 4000 includes: a buffer bracket 4100, a buffer fixing frame 4200 and a buffer body 4300; the bottom of the buffer bracket 4100 is provided with a first clip 4101 extending outward; The rear of the buffer bracket 4100 is provided with a second latch 4102 extending inward; the base bottom plate 3230 is provided with a first bayonet 3231 for clamping the first latch 4101 and a The second bayonet 3232 of the two latching feet 4102; the buffer bracket 4100 is respectively clamped into the first bayonet 3231 and the second bayonet through the first latching leg 4101 and the second bayonet 4102 3232 is fixedly connected with the base bottom plate 3230, and forms a fixing frame accommodating cavity with the base base plate 3230 for accommodating the buffer fixing frame 4200; the buffer fixing frame 4200 is provided with a buffer body for accommodating the buffer body The buffer accommodating cavity of 4300; wherein, the buffer body 4300 is arranged in the buffer accommodating cavity, one end abuts on the side wall of the second clip 4102, and the other end protrudes from the buffer The bracket 4100 abuts on the side of the third connecting piece 3300 close to the bend.

In this embodiment, the buffer body 4300 includes a buffer oil cylinder 4310 and a buffer oil rod 4320; the buffer oil rod 4320 is provided with a piston (not shown in the example diagram) extending into the buffer oil cylinder 4310 at one end. The piston is elastically connected to the buffer cylinder 4310 through a buffer spring (not shown), and the other end is provided with a plastic rubber sleeve 4321 extending out of the buffer cylinder 4310; the side of the third connector 3300 close to the bend There is a groove 3301 on it, and the buffer oil rod is pressed against the groove through the plastic rubber sleeve; wherein, when the third connecting member 3300 rotates, the third connecting member 3300 will pass through the groove 3301. The groove 3301 squeezes the plastic rubber sleeve 4321 to deform the buffer spring, so that the buffer assembly 4300 starts buffering under the elastic force of the buffer spring.

In this embodiment, the buffer assembly 4000 further includes: a buffer outer cover 4400, the buffer outer cover 4400 and the base bottom plate 3230 form a bracket cavity for accommodating the buffer bracket 4100; the buffer The bottom of the side wall of the outer cover 4400 is provided with a clamping block 4401 inward; the side plate 3240 of the base is provided with a clamping slot 3243 for clamping the clamping block 4401; the buffer outer cover 4400 is inserted into the clamping block 4401 The card slot 3243 is fixedly connected with the buffer base 3210 .

In this embodiment, the hinge cup 1000 includes: a hinge cup side wing 1100 and a hinge cup cavity 1200; a hinge cup fixing hole 1101 is provided on the wing arm of the hinge cup side wing 1100, and the hinge cup 1000 is fixed by the hinge cup The hinge cup 1102 is connected to the first arm surface through the hinge cup fixing hole 1101; the inner two ends of the hinge cup cavity 1200 are provided with a first concave cavity 1210 and a second concave cavity 1220; The concave cavity 1210 is used for accommodating the extension arm 3220, and the second concave cavity 1220 is used for accommodating the extension 3401 of the fourth connecting piece 3400; wherein, the hinge cup 1000 passes through the third rotation axis 5300 passes through the first concave cavity 1210 and the extension arm 3220 and is rotatably connected to the second connecting piece 3200; the hinge cup 1000 passes through the second concave cavity through the fourth rotating shaft 5400 1220 and the extension 3401 of the fourth connecting piece 3400 are rotatably connected with the fourth connecting piece 3400 .

In this embodiment, the connecting member further includes: a fifth connecting member 3500; one end of the fifth connecting member 3500 is hinged at the end of the hinge arm 2000 close to the hinge cup 1000, and the other end is hinged at the end of the hinge cup 1000. The bend of the third connecting piece 3300 .

In this embodiment, the hinge arm 2000 includes: a hinge arm base 2100 and a hinge arm body 2200; the hinge arm base 2100 includes a hinge arm side wing 2110, and a first fixed arm is distributed on the wing arm of the hinge arm side wing 2110 hole 2111 and first adjustment hole 2112, the top of the hinge arm body 2200 is provided with a second fixing hole 2201 and a second adjustment hole 2202; the hinge arm base 2100 passes through the first fixing member 2113 A fixing hole 2111 is connected to the second arm surface, and passes through the first adjustment hole 2112 through the first adjusting member 2114 to adjust the relative position of the hinge cup 1000 and the second arm surface in the first direction ; The hinge arm body 2200 is connected to the hinge arm base 2100 through the second fixing member 2203 through the second fixing hole 2201, and passes through the second adjustment hole through the second adjustment member 2204 2202, to adjust the relative position of the hinge arm 2000 and the second arm surface in the second direction.

In this embodiment, the top of the hinge arm body 2200 is further provided with a connecting eave 2210; the connecting eave 2210 is provided with an eave hole 2211, and the hinge arm 2000 passes through the fifth rotating shaft 5500. The eaves hole 2211 is hinged with the first connecting piece 3100; the side wings of the hinge arm body 2200 are provided with a first side wing hole 2201 and a second side wing hole 2202; the hinge arm 2000 passes through the The first side-wing hole 2201 is hinged with the third connecting piece 3300 , wherein the end of the third connecting piece 3300 away from the first side-wing hole 2201 is hinged with the fourth connecting piece 3400 through the seventh rotating shaft 5700 ; The hinge arm 2000 is hinged with the fifth connecting member 3500 through the second wing hole 2202 through the eighth rotation axis 5800 , wherein the fifth connecting member 3500 is away from the end of the second wing hole 2202 , the second rotating shaft 5200 is coaxially hinged with the second connecting member 3200 and the third connecting member 3300 at the bend of the third connecting member 3300 .

In order to make the embodiments of the present application easy to understand, the installation and use process of the cup-shaped concealed hinge will be described below, and the details are as follows.

As shown in FIGS. 1-10 , an embodiment of the present application provides a cup-shaped concealed hinge, including a hinge cup 1000 , a hinge arm 2000 , a connecting piece, a buffer assembly 4000 and a rotating shaft 5000 , wherein: the connecting piece is rotatable Connected between the hinge cup 1000 and the hinge arm 2000 .

The hinge cup 1000 includes a hinge cup side wing 1100 and a hinge cup cavity 1200; a hinge cup fixing hole 1101 is provided on the wing arm of the hinge cup side wing 1100, and the hinge cup 1000 passes through the hinge cup fixing member 1102 through the hinge cup. The cup fixing hole 1101 is connected with the first arm surface. Wherein, the first arm surface may be an arm surface of a wall, a door panel, a window, etc. on which a cup-shaped concealed hinge can be installed.

The hinge arm 2000 includes a hinge arm base 2100 and a hinge arm body 2200; the hinge arm base 2100 includes a hinge arm side wing 2110, and a first fixing hole 2111 and a first adjustment hole are distributed on the wing arm of the hinge arm side wing 2110 2112, the top of the hinge arm body 2200 is provided with a second fixing hole 2201 and a second adjusting hole 2202; the hinge arm base 2100 passes through the first fixing hole 2111 and the second fixing hole 2111 through the first fixing member 2113 The arm surfaces are connected and pass through the first adjustment hole 2112 through the first adjustment piece 2114 to adjust the relative position of the hinge cup 1000 and the second arm surface in the first direction; the hinge arm body 2200 The second fixing member 2203 passes through the second fixing hole 2201 to be connected to the hinge arm base 2100, and the second adjusting member 2204 passes through the second adjusting hole 2202 to adjust the hinge. The relative position of the arm 2000 and the second arm surface in the second direction. In this embodiment, the hinge arm base 2100 is fixed on the second arm surface through the first fixing member 2113 , and the hinge arm body 2200 is fixed on the hinge arm base 2100 through the second fixing member 2203 , The second arm surface may be an arm surface of a wall, a door panel, a window, etc. on which a cup-shaped concealed hinge can be installed. Wherein, when the relative position of the hinge cup 1000 and the second arm surface in the first direction is adjusted by the first adjusting member 2114 , the first fixing hole 2111 needs to be taken out first. Piece 2113. When the relative position of the hinge arm 2000 and the second arm surface in the second direction is adjusted by the second adjusting member 2204 , the second fixing member 2203 needs to be taken out from the second fixing hole 2201 first.

The connecting members include a first connecting member 3100, a second connecting member 3200, a third connecting member 3300 and a fourth connecting member 3400, wherein: the first connecting member 3100 has one end hinged in the hinge arm 2000 away from all The other end of the hinge cup 1000 is hinged to the second connector 3200; the second connector 3200 is linked between the first connector 3100 and the hinge cup 1000; the third connection One end of the hinge arm 2000 is hinged to the end of the hinge arm 2000 close to the hinge cup 1000, and the other end is hinged to the fourth connecting member 3400, at the bend of the third connecting member 3300. It is hinged to the second connecting piece 3200; the fourth connecting piece 3400 is linked between the third connecting piece 3300 and the hinge cup 1000; wherein, the buffer assembly 4000 is externally placed on the second connecting piece 3300. On the connecting piece 3200 , the rotation speed of the third connecting piece 3300 is slowed down.

Exemplarily, the specific connection relationship between the hinge cup 1000 , the hinge arm 2000 , the connector and the buffer assembly 4000 is as follows:

The first end of the first connecting member 3100 is connected with the hinge arm 2000 . The top of the hinge arm body 2200 is further provided with a connecting eave 2210; the connecting eave 2210 is provided with a eave hole 2211, and the hinge arm 2000 passes through the eave hole through the fifth rotating shaft 5500 2211 is hinged with the first connector 3100.

The second end of the first connector 3100 is connected to the first end of the second connector 3200 , and the second end of the second connector 3200 is connected to the hinge cup 1000 . The second connector 3200 includes: a buffer base 3210 and an extension arm 3220. The buffer base 3210 includes a base bottom plate 3230 and base side plates 3240 on both sides of the base bottom plate 3230; the base bottom plate 3230 The side close to the hinge arm 2000 and the base side plate 3240 form an accommodation space, and the accommodation space is used to accommodate the first connector 3100 and the hinge arm 2000; the base bottom plate 3230 is far away from all One side of the hinge arm 2000 is used to fix the buffer assembly 4000; the end of the base side plate 3240 away from the extension arm 3220 is provided with a first protruding wing hole 3241, and the second connecting member 3200 passes through the first rotating shaft The 5100 is hinged to the first connecting member 3100 through the first wing hole 3241 . In addition, one end of the extension arm 3220 is fixedly connected to the base side plate 3240 , and the other end is hinged to the hinge cup 1000 . The inside of the hinge cup cavity 1200 is provided with a first concave cavity 1210; the first concave cavity 1210 is used for accommodating the extension arm 3220, and the hinge cup 1000 passes through the third rotating shaft 5300. The first concave cavity 1210 and the extending arm 3220 are rotatably connected with the second connecting member 3200 .

The first end of the third connecting member 3300 is connected with the hinge arm 2000 . Wherein, the side wing of the hinge arm body 2200 is provided with a first side wing hole 2201 and a second side wing hole 2202; the hinge arm 2000 is connected to the third side through the first side wing hole 2201 through the sixth rotating shaft 5600 Piece 3300 is hinged.

The second end of the third connector 3300 is connected to the first end of the fourth connector 3400 , and the second end of the fourth connector 3400 is connected to the hinge cup 1000 . Wherein, one end of the third connecting member 3300 away from the first flank hole 2201 is hinged with the fourth connecting member 3400 through a seventh rotating shaft 5700 . The inside of the hinge cup cavity 1200 is further provided with a second concave cavity 1220; the second concave cavity 1220 is used to accommodate the extension 3401 of the fourth connecting piece 3400; the hinge cup 1000 passes through the The four rotating shafts 5400 pass through the second concave cavity 1220 and the extension 3401 of the fourth connecting member 3400 and are rotatably connected to the fourth connecting member 3400 .

The connector further includes: a fifth connector 3500 . The fifth connecting piece 3500 may also be an elastic piece, for example, the material of the fifth connecting piece 3500 may be an elastic material, the fifth connecting piece 3500 may also be provided with an inner cavity, and the inner cavity may be provided with a spring, so as to increase the elasticity of the elastic member through the spring.

One end of the fifth connecting member 3500 is hinged at the end of the hinge arm 2000 close to the hinge cup 1000 , and the other end is hinged at the bend of the third connecting member 3300 . Wherein, the hinge arm 2000 is hinged with the fifth connecting member 3500 through the second wing hole 2202 through the eighth rotation axis 5800 , wherein the fifth connecting member 3500 is away from the second wing hole 2202 One end is coaxially hinged with the second connecting member 3200 and the third connecting member 3300 at the bend of the third connecting member 3300 through the second rotating shaft 5200 .

The buffer assembly 4000 is externally disposed on the second connecting member 3200 for slowing down the rotation speed of the third connecting member 3300 .

The buffer assembly 4000 includes: a buffer bracket 4100, a buffer fixing frame 4200 and a buffer body 4300; the bottom of the buffer bracket 4100 is provided with a first clip 4101 extending outward; The rear is provided with a second clip 4102 extending inward; the base bottom plate 3230 is provided with a first clip 3231 for clipping the first clip 4101 and a first clip 3231 for clipping the second clip 4102 Two bayonets 3232; the buffer bracket 4100 is respectively clamped into the first bayonet 3231 and the second bayonet 3232 and the base bottom plate through the first bayonet 4101 and the second bayonet 4102 3230 is fixedly connected, and forms a fixing frame accommodating cavity for accommodating the buffer fixing frame 4200 with the base bottom plate 3230; the buffer fixing frame 4200 is provided with a buffer accommodating cavity for accommodating the buffer body 4300 ; Wherein, the buffer body 4300 is arranged in the buffer accommodating cavity, and one end abuts on the side wall of the second clip 4102, and the other end extends out of the buffer bracket 4100 and abuts against the buffer bracket 4100. The third connecting piece 3300 is located on the side surface close to the bend.

The buffer body 4300 includes a buffer oil cylinder 4310 and a buffer oil rod 4320; one end of the buffer oil rod 4320 is provided with a piston (not shown) extending into the buffer oil cylinder 4310, and the piston passes through a buffer spring ( (Example not shown) is elastically connected with the buffer cylinder 4310, and the other end is provided with a plastic rubber sleeve 4321 extending out of the buffer cylinder 4310; a groove 3301 is provided on the side of the third connecting piece 3300 near the bend , the buffer oil rod is pressed against the groove through the plastic rubber sleeve; wherein, when the third connecting piece 3300 rotates, the third connecting piece 3300 will be squeezed through the groove 3301 The plastic rubber sleeve 4321 is used to deform the buffer spring, so that the buffer assembly 4300 starts buffering under the elastic force of the buffer spring.

The buffer assembly 4000 further includes: a buffer outer cover 4400, the buffer outer cover 4400 and the base bottom plate 3230 form a bracket cavity for accommodating the buffer bracket 4100; the side of the buffer outer cover 4400 The bottom of the wall is provided with a blocking block 4401 inward; the base side plate 3240 is provided with a blocking slot 3243 for snapping the blocking block 4401; It is fixedly connected with the buffer base 3210 .

In this embodiment, the first connector 3100 and the second connector 3200 are cooperatively connected and the third connector 3300 and the fourth connector 3400 are cooperatively connected, so that the opening and closing angle of the cup-shaped concealed hinge is improved, which solves the problem of the existing cup-shaped hidden hinge. The problem of small opening and closing angle of the cup-shaped concealed hinge is improved, and the buffering effect of the cup-shaped concealed hinge during opening and closing is enhanced by placing a buffer component 4000 on the second connecting member 3200, and the buffering effect of the existing cup-shaped concealed hinge is solved. Bad question.

In an exemplary embodiment, the hinge cup 1000 may be mounted on a first arm surface (eg, a door panel) and the hinge arm 2000 may be mounted on a second arm surface (eg, a wall). When the first arm surface is pushed by an external force, the first arm surface will drive the hinge cup 1000 , so that the hinge cup 1000 pushes the second connecting member 3200 connected to the hinge cup 1000 and the hinge cup 1000 . The fourth connector 3400 is described. Wherein: when the second connecting member 3200 is pushed, the second connecting member 3200 will move away from the hinge cup 1000 and push the first connecting member 3100 to make the first connecting member 3100 The member 3100 is rotated around the eave hole 2211 until one side of the first connecting member 3100 abuts on the hinge arm 2000 . When the fourth connecting piece 3400 is pushed, the fourth connecting piece 3400 will push the third connecting piece 3300, so that the third connecting piece 330 is formed with the first flank hole 2201 as the axis Turn over and approach the hinge arm 2000 until one side of the first connecting member 3100 abuts on the hinge arm 2000, and the third connecting member 3300 stops the turning movement. In addition, the middle portion of the second connecting member 3200 and the bending portion of the third connecting member 3300 are rotatably connected through the second rotating shaft 5200, which improves the stability of the connecting member.

The above are only the preferred embodiments of the present application, and are not intended to limit the scope of the invention of the present application. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied in other related technical fields , are similarly included within the scope of invention protection of this application.

Claims

A connecting piece for rotatably connecting between a hinge cup and a hinge arm, characterized in that the connecting piece comprises: a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece:

One end of the first connecting piece is hinged at the end of the hinge arm away from the hinge cup, and the other end is hinged with the second connecting piece;

the second connecting piece is linked between the first connecting piece and the hinge cup;

The third connecting piece is in a bent shape, one end is hinged at the end of the hinge arm close to the hinge cup, and the other end is hinged on the fourth connecting piece, and the bending place of the third connecting piece is hinged. hinged to the second connecting piece;

the fourth connecting piece is linked between the third connecting piece and the hinge cup;

Wherein, the second connecting member is also provided with a buffer assembly, and the buffer assembly is used to slow down the rotation speed of the third connecting member.
The connector according to claim 1, wherein the second connector comprises:

A buffer base, the buffer base includes a base bottom plate and base side plates located on both sides of the base bottom plate; the side of the base bottom plate close to the hinge arm and the base side plate form a accommodating space, the accommodating space is a storage space for accommodating the first connecting piece and the hinge arm; the side of the base bottom plate away from the hinge arm is used for fixing the buffer assembly; and

One end of the extension arm is fixedly connected to the side plate of the base, and the other end is hinged to the hinge cup.
The connector according to claim 2, wherein:

One end of the base side plate away from the extension arm is provided with a first protruding wing hole, and the second connecting piece is hinged with the first connecting piece through the first protruding wing hole through a first rotating shaft;

One end of the base side plate close to the extension arm is provided with a second protruding wing hole; the second connecting piece passes through the bending of the second protruding wing hole and the third connecting piece through the second rotating shaft hinged.
The connector according to claim 1, wherein the buffer assembly comprises:

Buffer bracket, buffer fixing frame and buffer body;

The bottom of the buffer bracket is provided with a first clip extending outward; the tail of the buffer bracket is provided with a second clip extending inward;

The base bottom plate is provided with a first bayonet for clamping the first clamping leg and a second bayonet for clamping the second clamping leg;

The buffer bracket is clamped into the first bayonet and the second bayonet respectively and is fixedly connected with the base bottom plate through the first clamping leg and the second clamping leg, and is formed with the base base plate a holder accommodating cavity for accommodating the buffer holder;

The buffer fixing frame is provided with a buffer accommodating cavity for accommodating the buffer body;

Wherein, the buffer body is arranged in the buffer accommodating cavity, one end of which is abutted on the side wall of the second clip, and the other end extends out of the buffer bracket and abuts against the third connection on the side of the piece near the bend.
The connector according to claim 4, wherein the buffer body further comprises:

Buffer cylinder and buffer rod;

One end of the buffer oil rod is provided with a piston extending into the buffer oil cylinder, the piston is elastically connected with the buffer oil cylinder through a buffer spring, and the other end is provided with a plastic rubber sleeve extending out of the buffer oil cylinder;

A groove is provided on the side of the third connecting piece close to the bend, and the buffer oil rod is pressed against the groove through the plastic rubber sleeve;

Wherein, when the third connecting piece rotates, the third connecting piece will squeeze the plastic rubber sleeve through the groove, so that the buffer spring is deformed, so that the buffer assembly is in the The buffer is activated under the elastic force of the buffer spring.
The connector according to any one of claims 4 to 5, wherein the buffer assembly further comprises:

a buffer outer cover, the buffer outer cover and the base bottom plate form a bracket cavity for accommodating the buffer bracket;

The bottom of the side wall of the outer cover of the buffer is provided with a clamping block inward; the side plate of the base is provided with a clamping slot for clamping the clamping block;

The buffer outer cover is fixedly connected to the buffer base by being clamped into the card slot by a locking block.
The connector according to any one of claims 1 to 6, wherein the hinge cup comprises:

hinge cup side wings and hinge cup cavity;

A hinge cup fixing hole is provided on the wing arm of the hinge cup side wing, and the hinge cup is connected to the first arm surface through the hinge cup fixing hole through the hinge cup fixing piece;

The inner two ends of the hinge cup cavity are provided with a first concave cavity and a second concave cavity;

The first concave cavity is used for accommodating the extension arm, and the second concave cavity is used for accommodating the extension of the fourth connecting piece;

Wherein, the hinge cup passes through the first concave cavity and the extension arm and is rotatably connected to the second connecting piece through a third rotation shaft; the hinge cup passes through the first concave cavity through a fourth rotation shaft The two concave cavities and the extension of the fourth connecting piece are rotatably connected with the fourth connecting piece.
The connector according to any one of claims 1 to 7, wherein the connector further comprises:

the fifth connector;

One end of the fifth connecting piece is hinged at the end of the hinge arm close to the hinge cup, and the other end is hinged at the bend of the third connecting piece.
The connector according to any one of claims 1 to 8, wherein the hinge arm comprises:

Articulating arm base and articulating arm body;

The hinge arm base includes a hinge arm side wing, the wings of the hinge arm side wing are distributed with a first fixing hole and a first adjusting hole, and the top of the hinge arm body is provided with a second fixing hole and a second adjusting hole;

The hinge arm base is connected to the second arm surface through the first fixing hole through the first fixing piece, and passes through the first adjustment hole through the first adjusting piece, so as to adjust the hinge cup and the second arm surface. the relative position of the second arm surface in the first direction;

The hinge arm body is connected to the hinge arm base through the second fixing hole through the second fixing piece, and passes through the second adjustment hole through the second adjusting piece to adjust the hinge The relative position of the arm and the second arm surface in the second direction.
The connector according to claim 9, wherein:

The top of the hinge arm body is also provided with a connecting eave;

The connecting eave is provided with an eave hole, and the hinge arm is hinged with the first connecting piece through the eave hole through the fifth rotating shaft;

The flank of the hinge arm body is provided with a first flank hole and a second flank hole;

The hinge arm is hinged with the third connecting piece through the first side wing hole through a sixth rotation axis, wherein the third connecting piece is away from one end of the first side wing hole, and is connected to the third connecting piece through the seventh rotation axis. the fourth connector is hinged;

The hinge arm is hinged with the fifth connecting piece through the second side wing hole through the eighth rotation axis, wherein, the end of the fifth connecting piece away from the second side wing hole, through the second rotation The shaft is coaxially hinged with the second connecting piece and the third connecting piece at the bend of the third connecting piece at the same time.
A cup-shaped concealed hinge, characterized in that it comprises:

hinge cups, hinge arms, connecting pieces and buffer components;

the connecting piece is rotatably connected between the hinge cup and the hinge arm;

Wherein, the connector includes a first connector, a second connector, a third connector and a fourth connector:

One end of the first connecting piece is hinged at the end of the hinge arm away from the hinge cup, and the other end is hinged with the second connecting piece;

the second connecting piece is linked between the first connecting piece and the hinge cup;

The third connecting piece is in a bent shape, one end is hinged at the end of the hinge arm close to the hinge cup, and the other end is hinged on the fourth connecting piece, and the bending place of the third connecting piece is hinged. hinged to the second connecting piece;

the fourth connecting piece is linked between the third connecting piece and the hinge cup;

Wherein, the buffer assembly is externally disposed on the second connecting member, and is used to slow down the rotation speed of the third connecting member.
The cup-shaped concealed hinge according to claim 11, wherein the second connecting member comprises:

A buffer base, the buffer base includes a base bottom plate and base side plates located on both sides of the base bottom plate; the side of the base bottom plate close to the hinge arm and the base side plate form a accommodating space, the accommodating space is a storage space for accommodating the first connecting piece and the hinge arm; the side of the base bottom plate away from the hinge arm is used for fixing the buffer assembly; and

One end of the extension arm is fixedly connected to the side plate of the base, and the other end is hinged to the hinge cup.
The cup-shaped concealed hinge according to claim 12, wherein:

One end of the base side plate away from the extension arm is provided with a first protruding wing hole, and the second connecting piece is hinged with the first connecting piece through the first protruding wing hole through the first rotating shaft;

One end of the base side plate close to the extension arm is provided with a second protruding wing hole; the second connecting piece passes through the bending of the second protruding wing hole and the third connecting piece through the second rotating shaft hinged.
The cup-shaped concealed hinge according to claim 11, wherein the buffer assembly comprises:

Buffer bracket, buffer fixing frame and buffer body;

The bottom of the buffer bracket is provided with a first clip extending outward; the tail of the buffer bracket is provided with a second clip extending inward;

The base bottom plate is provided with a first bayonet for clamping the first clamping leg and a second bayonet for clamping the second clamping leg;

The buffer bracket is clamped into the first bayonet and the second bayonet respectively and is fixedly connected with the base bottom plate through the first clamping leg and the second clamping leg, and is formed with the base base plate a holder accommodating cavity for accommodating the buffer holder;

The buffer fixing frame is provided with a buffer accommodating cavity for accommodating the buffer body;

Wherein, the buffer body is arranged in the buffer accommodating cavity, one end of which is abutted on the side wall of the second clip, and the other end extends out of the buffer bracket and abuts against the third connection on the side of the piece near the bend.
The cup-shaped concealed hinge of claim 14, wherein the buffer body further comprises:

Buffer cylinder and buffer rod;

One end of the buffer oil rod is provided with a piston extending into the buffer oil cylinder, the piston is elastically connected with the buffer oil cylinder through a buffer spring, and the other end is provided with a plastic rubber sleeve extending out of the buffer oil cylinder;

A groove is provided on the side of the third connecting piece close to the bend, and the buffer oil rod is pressed against the groove through the plastic rubber sleeve;

Wherein, when the third connecting piece rotates, the third connecting piece will squeeze the plastic rubber sleeve through the groove, so that the buffer spring is deformed, so that the buffer assembly is in the The buffer is activated under the elastic force of the buffer spring.
The cup-shaped concealed hinge according to any one of claims 14 to 15, wherein the buffer assembly further comprises:

a buffer outer cover, the buffer outer cover and the base bottom plate form a bracket cavity for accommodating the buffer bracket;

The bottom of the side wall of the outer cover of the buffer is provided with a clamping block inward; the side plate of the base is provided with a clamping slot for clamping the clamping block;

The buffer outer cover is fixedly connected to the buffer base by being clamped into the card slot by a clamping block.
The cup-shaped concealed hinge according to any one of claims 11 to 16, wherein the hinge cup comprises:

hinge cup side wings and hinge cup cavity;

A hinge cup fixing hole is provided on the wing arm of the hinge cup side wing, and the hinge cup is connected to the first arm surface through the hinge cup fixing hole through the hinge cup fixing piece;

The inner two ends of the hinge cup cavity are provided with a first concave cavity and a second concave cavity;

The first concave cavity is used for accommodating the extension arm, and the second concave cavity is used for accommodating the extension of the fourth connecting piece;

Wherein, the hinge cup passes through the first concave cavity and the extension arm and is rotatably connected to the second connecting piece through a third rotation shaft; the hinge cup passes through the first concave cavity through a fourth rotation shaft The two concave cavities and the extension of the fourth connecting piece are rotatably connected with the fourth connecting piece.
The cup-shaped concealed hinge according to any one of claims 11 to 17, wherein the connecting member further comprises:

the fifth connector;

One end of the fifth connecting piece is hinged at the end of the hinge arm close to the hinge cup, and the other end is hinged at the bend of the third connecting piece.
The cup-shaped concealed hinge according to any one of claims 11 to 18, wherein the hinge arm comprises:

Articulating arm base and articulating arm body;

The hinge arm base includes a hinge arm side wing, the wings of the hinge arm side wing are distributed with a first fixing hole and a first adjusting hole, and the top of the hinge arm body is provided with a second fixing hole and a second adjusting hole;

The hinge arm base is connected to the second arm surface through the first fixing hole through the first fixing piece, and passes through the first adjustment hole through the first adjusting piece, so as to adjust the hinge cup and the second arm surface. the relative position of the second arm surface in the first direction;

The hinge arm body is connected to the hinge arm base through the second fixing hole through the second fixing piece, and passes through the second adjustment hole through the second adjusting piece to adjust the hinge The relative position of the arm and the second arm surface in the second direction.
The cup-shaped concealed hinge according to claim 19, characterized in that:

The top of the hinge arm body is also provided with a connecting eave;

The connecting eave is provided with an eave hole, and the hinge arm is hinged with the first connecting piece through the eave hole through the fifth rotation axis;

The flank of the hinge arm body is provided with a first flank hole and a second flank hole;

The hinge arm is hinged with the third connecting piece through the first side wing hole through a sixth rotating shaft, wherein the third connecting piece is at one end away from the first side wing hole, and is connected with the seventh rotating shaft through the seventh rotating shaft. the fourth connector is hinged;

The hinge arm is hinged with the fifth connecting member through the second side wing hole through the eighth rotation axis, wherein, the end of the fifth connecting member far away from the second side wing hole, through the second rotation The shaft is coaxially hinged with the second connecting piece and the third connecting piece at the bend of the third connecting piece at the same time.