CN219299042U - Cup-shaped blind hinge - Google Patents
Cup-shaped blind hinge Download PDFInfo
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- CN219299042U CN219299042U CN202220487745.5U CN202220487745U CN219299042U CN 219299042 U CN219299042 U CN 219299042U CN 202220487745 U CN202220487745 U CN 202220487745U CN 219299042 U CN219299042 U CN 219299042U
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- 238000010168 coupling process Methods 0.000 description 2
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Abstract
The embodiment of the utility model provides a cup-shaped blind hinge, which comprises the following components: the hinge arm, the connecting piece and the hinge cup; the connecting pieces comprise a first connecting piece, a second connecting piece, a third connecting piece and a fourth connecting piece; the first connecting piece comprises a first groove body, a first extension part, a sliding pushing block and an abutting structure; and when the hinge cup and the hinge arm are in a first preset angle range, the sliding pushing block rotates under the action of the elastic force of the elastic piece, the first connecting piece generates a swinging force, and the first connecting piece, the third connecting piece and the fourth connecting piece are linked based on the swinging force to drive the hinge cup to move. According to the cup-shaped blind hinge provided by the embodiment of the utility model, when the cup-shaped blind hinge is at a preset angle, the elastic force of the elastic piece pushes the sliding pushing block, the pushing force drives the second connecting piece to swing, and the swinging force of the second connecting piece drives the hinge cup to rotate and close in a mutual linkage manner through the first connecting piece, the third connecting piece and the fourth connecting piece, so that the opening and closing effect is improved.
Description
Technical Field
The utility model relates to a cup-shaped blind hinge of furniture hardware.
Background
The cup-shaped blind hinge generally comprises a hinge cup, a connecting plate, a hinge arm, a base, a fastening screw, an adjusting screw and the like. The cup-shaped blind hinge is used as a common furniture hardware and is arranged between a light cabinet door and a door frame, so that the door can rotate relative to the door frame. However, the inventors have found that cup-shaped blind hinges of the prior art have poor opening and closing effects.
Disclosure of Invention
The utility model aims to provide a cup-shaped blind hinge which can solve the problem that the cup-shaped blind hinge in the prior art is poor in opening and closing effect.
One aspect of an embodiment of the present utility model provides a cup-shaped blind hinge comprising:
the hinge arm, the connecting piece and the hinge cup;
the connecting piece is rotatably connected between the hinge cup and the hinge arm;
wherein, the connecting piece includes first connecting piece, second connecting piece, third connecting piece and fourth connecting piece:
the first connecting piece is hinged at a first position of the hinge cup, and the second end of the first connecting piece is hinged at a first end of the second connecting piece;
the second connecting piece is hinged at the middle part of the hinge arm at the second end;
the first end of the third connecting piece is hinged with the end part of the hinge arm, and the second end of the third connecting piece is hinged with the first end of the fourth connecting piece; the middle part of the third connecting piece, which is positioned between the two ends, is hinged with the middle part of the first connecting piece;
the second end of the fourth connecting piece is hinged to a second position of the hinge cup, and the first position and the second position are different;
the first connecting piece comprises a first groove body, a first extending part, a sliding pushing block and an abutting structure;
the first groove body comprises a top wall and side walls positioned at two sides of the top wall;
the first extension part is positioned at the connecting end of the first groove body and is an extension part of the side walls at the two sides;
the sliding pushing block is slidably positioned in the first groove body; an elastic piece is arranged in the sliding push block, one end of the elastic piece extends out from one end of the sliding push block, and the other end of the elastic piece is propped against the sliding push block;
the abutting structure is fixedly arranged at the connecting end of the first groove body and used for limiting the sliding
Sliding of the pushing block;
the first end of the second groove body is used as the second end of the second connecting piece and is hinged with the first end of the second connecting piece, the first end of the second connecting piece is propped against the sliding pushing block, the hinge cup and the hinge arm are in a first preset angle range, the sliding pushing block drives the second connecting piece to rotate under the elastic force of the elastic piece to generate a rotary swing force, and the first connecting piece, the third connecting piece and the fourth connecting piece are linked based on the rotary swing force to drive the hinge cup to move.
Optionally, an end of the first extension away from the first slot body is a first end of the first connector;
a through hole used for being hinged with the third connecting piece is formed in the first extending part and close to the end part of the first groove body; and
The inner side of the first extension part is also provided with an annular projection surrounding the through hole and used for limiting the left-right movement of the third connecting piece.
Optionally, one or more protrusions are respectively disposed on inner sides of the side walls on two sides of the top wall, and are used for limiting the left-right movement of the sliding pushing block.
Optionally, a mutual matching wheel movement is arranged between the sliding pushing block and the first end of the second connecting piece;
the end part of the sliding pushing block, which is abutted against the second connecting piece, is in a ladder shape or a notch shape;
the second connector includes: the second groove body, the second extension part and the special-shaped cam;
the second groove body is positioned at the first end of the second connecting piece;
the second extension part is positioned at the second end of the second connecting piece and is an extension part of the side walls at two sides of the second groove body;
wherein, the concave bottom of the second groove body is provided with a bayonet;
wherein, the special-shaped cam is provided with a clamping block;
wherein, the special-shaped cam is fixed in the second groove body through the bayonet and the clamping block;
the special-shaped cam comprises an arc-shaped convex surface on one side, which is used for abutting against the sliding pushing block, and is used for rolling.
Optionally, a positioning block is further arranged at the concave bottom of the second groove body, and the positioning block abuts against the other side of the special-shaped cam.
Optionally, the third connector: comprises a third groove body and a third extension part;
the third groove body is positioned at the first end of the third connecting piece;
the third extension part is positioned at the second end of the third connecting piece and is an extension part of the side walls at the two sides of the third groove body;
wherein, the end of the third extension part far away from the third groove body is used as the first end of the third connecting piece and is used for hinging the end of the hinge arm; the end part of the third groove body, which is far away from the third extension part, is used as the second end of the third connecting piece and is used for hinging the first end of the fourth connecting piece; and a hinge hole is formed at the joint of the third groove body and the third extension part and is used for being hinged with the middle part of the first connecting piece.
Optionally, the fourth connecting piece comprises a fourth groove body and a buffer device;
wherein the first end of the fourth groove body is used as the first end of the fourth connecting piece;
the second end of the fourth groove body is used as the second end of the fourth connecting piece;
wherein the buffer device is positioned in the fourth groove body;
the buffer device includes:
the damping cylinder seat is fixed in the fourth groove body;
the damping oil cylinder is positioned in the damping oil cylinder seat, and the movable end of the damping oil cylinder at least partially extends out of the damping oil cylinder seat;
and when the third connecting piece and the fourth connecting piece are in a second preset angle range, the movable end abuts against the inner wall of the concave bottom of the third groove body, and the damping oil cylinder generates damping force to delay the rotation speed in the preset direction.
Optionally, the damping cylinder comprises a cylinder jacket, a spring and a damping rod, wherein the cylinder jacket is provided with a containing cavity;
the first end of the cylinder jacket is a hemispherical head and is the movable end of the damping cylinder;
the second end of the oil cylinder jacket is an opening of the accommodating cavity;
the spring is positioned in the accommodating cavity;
and one end of the damping rod is connected and abutted against the spring, and the other end of the damping rod extends out of the opening and is abutted against the blocking plug pin of the fourth connecting piece.
Optionally, the cup-shaped blind hinge is used in a furniture door.
One aspect of an embodiment of the present utility model provides a cup-shaped blind hinge comprising:
the hinge arm, the connecting piece and the hinge cup;
the connecting piece is rotatably connected between the hinge cup and the hinge arm;
the connecting piece comprises a first connecting piece and a second connecting piece;
the first connecting piece is hinged at a first position of the hinge cup, and the second end of the first connecting piece is hinged at a first end of the second connecting piece;
the second connecting piece is hinged at the middle part of the hinge arm at the second end;
the first connecting piece comprises a first groove body, a first extending part, a sliding pushing block and an abutting structure;
the first groove body comprises a top wall and side walls positioned at two sides of the top wall;
the first extension part is positioned at the connecting end of the first groove body and is an extension part of the side walls at the two sides;
the sliding pushing block is slidably positioned in the first groove body; an elastic piece is arranged in the sliding push block, one end of the elastic piece extends out from one end of the sliding push block, and the other end of the elastic piece is propped against the sliding push block;
the abutting structure is fixedly arranged at the connecting end of the first groove body and used for limiting the sliding of the sliding pushing block;
the first end of the second groove body is used as the second end of the second connecting piece and is hinged with the first end of the second connecting piece, the first end of the second connecting piece is propped against the sliding pushing block, the hinge cup and the hinge arm are in a first preset angle range, the sliding pushing block drives the second connecting piece to rotate under the elastic action of the elastic piece to generate a rotary swing force, and the rotary swing force is linked with the first connecting piece to drive the hinge cup to move.
According to the cup-shaped blind hinge provided by the embodiment of the utility model, when the cup-shaped blind hinge is at a preset angle, the elastic force of the elastic piece pushes the sliding pushing block, the pushing force drives the second connecting piece to swing, and the swinging force of the second connecting piece drives the hinge cup to rotate and close in a mutual linkage manner through the first connecting piece, the third connecting piece and the fourth connecting piece, so that the opening and closing effect is improved.
Drawings
Fig. 1 schematically shows a perspective view of an assembled product of the cup-shaped blind hinge of the present embodiment;
FIG. 2 schematically illustrates a cross-sectional view of the cup-shaped blind hinge of the present embodiment after assembly;
FIG. 3 schematically illustrates a partially disassembled view of the cup-shaped blind hinge of the present embodiment after assembly;
fig. 4 schematically shows a perspective view of the hinge arm in the present embodiment;
fig. 5 schematically shows a perspective view of the second connector in the present embodiment;
fig. 6 schematically shows a perspective view of the second groove and the second extension in the second connector in the present embodiment;
fig. 7 schematically shows a perspective view of a profiled cam in the second connecting piece in this embodiment;
fig. 8 schematically shows a perspective view of the sliding push block in the first link in this embodiment;
fig. 9 schematically shows a side view of the sliding push block in the first coupling member in this embodiment;
fig. 10 schematically illustrates a perspective view of a first groove and a first extension in a first connector according to the present embodiment;
FIG. 11 schematically illustrates a side view of the first slot and the first extension in the first connector of the present embodiment;
fig. 12 schematically shows a perspective view of a fourth coupling member in the present embodiment;
fig. 13 schematically shows a cross-sectional view of the fourth connecting member in the present embodiment;
fig. 14 schematically shows a perspective view of a fourth groove in the fourth connecting member in the present embodiment;
fig. 15 schematically shows a perspective view of a damping cylinder mount in the present embodiment;
fig. 16 schematically shows a perspective view of the damping cylinder in the present embodiment;
fig. 17 schematically shows a perspective view of the hinge cup in the present embodiment;
fig. 18 schematically shows a door closing action;
fig. 19 schematically shows a closed state diagram of the cup-shaped blind hinge of the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model 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 for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that the descriptions of "first," "second," etc. in the embodiments of the present utility model are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
It should be noted that "middle" is not strictly defined as the middle, but generally refers to the region between the two ends.
It should be noted that the Cup-shaped blind hinge (Cup hinges) protected by the utility model meets the relevant definition, requirement and inspection standard of QB/T1242-1991 and QBT2189-2013 of the light industry standard of the people's republic of China, and meets the relevant definition, requirement and inspection standard in European Union standard 15570-2008.
The cup-shaped blind hinge of the patent protection will be exemplarily described below by way of example.
As shown in fig. 1 to 19, in this embodiment, the cup-shaped blind hinge includes: an arm 7, a wing-shaped base 8, a connecting piece and a hinge cup 9.
The hinge cup 9 is fixed to the door/frame by a fixing member such as a bolt.
The hinge arms 7 are fixed to the frame/door by wing-shaped bases 8. The wing base 8 is fixed to the frame/door by means of fasteners such as bolts. A wing-shaped base 8 for fixing the hinge arm 7. The arrangement of the hinge arms 7 and the wing-shaped bases 8 can facilitate the replacement of the hinge arms 7.
A connecting element is rotatably connected between the hinge cup 9 and the hinge arm 7.
Wherein the connecting pieces comprise a first connecting piece 1, a second connecting piece 2, a third connecting piece 3 and a fourth connecting piece 4:
the first connecting piece 1 is hinged at a first position of the hinge cup 9 at a first end, and is hinged at a first end of the second connecting piece 2 at a second end. In particular, the articulation between the first connector 1 and the hinge cup 9 can be achieved by means of the hole 15 of the first connector 1, the hole 91 of the hinge cup 9, the pin. The articulation between the first connector 1 and the second connector 2 may be achieved by means of the hole 11 of the first connector 1, the hole 211 of the second connector 2, the pin.
The second connecting piece 2 is hinged at the second end to the middle part of the hinge arm 7. Specifically, the hinge between the second link 2 and the hinge arm 7 may be achieved by the hole 212 of the second link 2, the hole 712 of the hinge arm 7, the shaft pin.
The first end of the third connecting piece 3 is hinged with the end part of the hinge arm 7, and the second end of the third connecting piece 4 is hinged with the first end of the fourth connecting piece; wherein, the middle part between the two ends of the third connecting piece 3 is hinged with the middle part of the first connecting piece 1. Specifically, the articulation between the third link 3 and the hinge arm 7 may be achieved by the hole 33 of the third link 3, the hole 711 of the hinge arm 7, the shaft pin. The articulation between the third connecting piece 3 and the first connecting piece 1 is achieved by means of the hole 31 of the third connecting piece 3, the hole 13 of the first connecting piece 1, the shaft pin. The articulation between the third connecting piece 3 and the fourth connecting piece 4 is achieved by means of the hole 32 of the third connecting piece 3, the hole 413 of the fourth connecting piece 4, the shaft pin.
The fourth connecting piece 4 is hinged at a second end to a second position of the hinge cup 9, and the first position and the second position are different. In particular, the articulation between the fourth connecting piece 4 and the hinge cup 9 can be achieved by means of the hole 412 of the fourth connecting piece 4, the hole 92 of the hinge cup 9, the pin. The first position corresponds to the hole 91 and the first position corresponds to the hole 92.
Wherein, first connecting piece 1 includes first cell body, first extension, slip ejector pad 5 and supports and lean on the structure. As an example, a pin passes through the hole 12 in the first connector 1, so that the pin forms the abutment.
The first groove body comprises a top wall and side walls positioned at two sides of the top wall;
the first extension part is positioned at the connecting end of the first groove body and is an extension part of the side walls at the two sides;
the sliding pushing block 5 is slidably positioned in the first groove body; the sliding push block 5 is provided with a cavity 51 with an opening at one end for accommodating an elastic member (such as a spring 6), one end of the elastic member 6 extends out from one end of the sliding push block 5 (the opening of the cavity 51), and the other end abuts against the sliding push block 5 (the bottom of the cavity 51);
the abutting structure is fixedly arranged at the connecting end of the first groove body and used for limiting the sliding of the sliding pushing block 5; in particular, the other end of the elastic member 6 may rest against a pin (the pin passing through the hole 12 acts as the rest structure).
The first end of the second groove body is used as the second end of the second connecting piece 2, and is used for being hinged with the first end of the second connecting piece 2, the first end of the second connecting piece 2 is abutted against the sliding pushing block 5, the hinge cup 9 and the hinge arm 7 are located in a first preset angle range, the sliding pushing block 5 drives the second connecting piece 2 to rotate under the elastic force of the elastic piece 6 to generate a swinging force, and the first connecting piece 1, the third connecting piece 3 and the fourth connecting piece 4 are linked based on the swinging force to drive the hinge cup 9 to move.
As shown in fig. 19, when the cup-shaped blind hinge is at the angle, the elastic force of the elastic member 6 pushes the sliding push block 5, the pushing force drives the second connecting member 2 to swing around the hole 212 as the axis, and the swinging force of the second connecting member 2 drives the hinge cup 9 to rotate and close in a mutual linkage manner through the first connecting member 1, the third connecting member 3 and the fourth connecting member 4, so as to improve the opening and closing effect.
As a preferred embodiment: the end of the first extension part far away from the first groove body is a first end (corresponding hole 15) of the first connecting piece 1; a through hole (corresponding hole 13) for hinging with the third connecting piece 3 is arranged in the first extension part near the end part of the first groove body; and an annular projection 131 surrounding the through hole is further provided on the inner side of the first extension portion for restricting the left-right movement of the third connecting member 3. This preferred embodiment provides less mechanical wear and life by limiting the lateral movement of the third connector 3.
As a preferred embodiment: one or more protruding blocks 16 are respectively arranged on the inner sides of the side walls on the two sides of the top wall and used for limiting the left-right movement of the sliding pushing block 5. The preferred embodiment prevents the disengagement of the sliding pusher 5 by providing the lugs 16. In other embodiments, holes 14 may be provided in the side walls on both sides of the top wall, and pins may pass through the holes 14 and be fixed between the side walls on both sides, to further prevent the sliding push block 5 from being separated.
As a preferred embodiment: the sliding push block 5 and the first end (corresponding hole 211) of the second connecting piece 2 are provided with mutually matched wheel movements; the end 52 of the sliding push block 5 abutting against the second connecting piece 2 is in a step shape or a notch shape.
The second connector 2 includes: a second slot 21, a second extension and a profiled cam 22;
wherein the second groove 21 is located at a first end (corresponding hole 211) of the second connecting member 2;
wherein the second extension portion is located at a second end (corresponding to the hole 212) of the second connecting piece 2, and is an extension portion of two side walls of the second groove 21;
wherein, the concave bottom of the second groove body 21 is provided with a bayonet 213;
wherein, the special-shaped cam is provided with a clamping block 223;
wherein, the special-shaped cam 22 is fixed in the second groove body 21 through the bayonet 213 and the clamping block 223 (the special-shaped cam 22 can be provided with a hole 221, and the hole 221 and the hole 211 and the hole 11 of the first connecting piece all penetrate through the same shaft pin, so that the special-shaped cam 22 is fixed);
wherein, the special-shaped cam 22 comprises an arc convex surface at one side for abutting against the sliding pushing block 5 for rotation.
In the above preferred embodiment, the elastic force of the elastic member 6 pushes the sliding pushing block 5, the pushing force drives the combined second connecting member 2 to swing around 212 through the profile cam 22 which is always abutted, the swinging force of the second connecting member 2 drives the hinge cup 9 to rotate and close in a mutual linkage manner through the first connecting member 1, the third connecting member 3 and the fourth connecting member 4, and the opening and closing effect is improved. The special-shaped cam 22 of the second connecting piece 2 and the clamping block 223 on the special-shaped cam 22 are matched with the clamping opening 213 on the second groove body 21, so that the stability of the special-shaped cam 22 in the second groove body 21 is enhanced.
As a preferred embodiment: the concave bottom of the second groove body 21 is further provided with a positioning block 214, and the positioning block 214 abuts against the other side 222 of the special-shaped cam. The preferred embodiment reinforces the profiled cam 22 against thrust by the locating block 214.
As a preferred embodiment: the third connecting piece 3: comprises a third groove body and a third extension part. Wherein the third groove body is positioned at the first end of the third connecting piece 3. The third extension part is located at the second end of the third connecting piece 3, and is an extension part of two side walls of the third groove body. An end of the third extension remote from the third slot (corresponding hole 33) as a first end of the third link 3 (corresponding hole 33) for hinging an end of the hinge arm 7 (corresponding hole 711); an end of the third groove (corresponding hole 32) remote from the third extension is used as a second end of the third connecting piece 3 (corresponding hole 32) for hinging a first end of the fourth connecting piece 4 (corresponding hole 413); a hinge hole (corresponding hole 31) is arranged at the joint of the third groove body and the third extension part and is used for being hinged with the middle part (corresponding hole 13) of the first connecting piece 1.
As a preferred embodiment: the fourth connecting piece 4 comprises a fourth groove body 41 and a buffer device;
wherein the first end of the fourth groove 41 is used as the first end (corresponding hole 413) of the fourth connecting piece 4;
wherein the second end of the fourth groove 41 is used as the second end (corresponding hole 412) of the fourth connecting piece 4;
wherein the buffer device is located in the fourth groove 41;
the buffer device includes:
the damping cylinder seat 42 is fixed in the fourth groove 41 (the damping cylinder seat can be provided with a hole 421, and the hole 421, the hole 413 and the hole 32 of the third connecting piece all penetrate through the same shaft pin 44, so that the damping cylinder seat 42 is fixed);
a damping cylinder 43 located in the damping cylinder seat 42, wherein a movable end of the damping cylinder 43 extends out of the damping cylinder seat 42 at least partially;
when the third connecting piece 3 and the fourth connecting piece 4 are in the second preset angle range, the movable end abuts against the inner wall of the concave bottom of the third groove body, and the damping oil cylinder 43 generates damping force to delay the rotation speed in the preset direction.
In the preferred embodiment, the movable end of the damping cylinder 43 in the fourth connecting member 4 abuts against the concave inner wall of the third groove, and the abutting damping force thereof reduces the closing running speed of the hinge cup 9 and the associated connecting member, so that the door panel is slowly and gently closed.
As a preferred embodiment: the damping cylinder 43 comprises a cylinder jacket 431, a spring and a damping rod 432, wherein the cylinder jacket is provided with a containing cavity;
the first end of the cylinder jacket 431 is a hemispherical head 433, which is the movable end of the damping cylinder 43;
the second end of the cylinder jacket 431 is an opening of the accommodating cavity;
the spring is positioned in the accommodating cavity;
the damping rod 432 has one end connected against the spring and the other end protruding out of the opening and against the blocking pin of the fourth connection piece 4.
It should be noted that, the damping cylinder base 42 has an opening 422 through which the blocking pin passes, and the fourth slot 41 has a hole 411 through which the blocking pin passes. In the preferred embodiment, the first end of the cylinder jacket 431 is configured as a hemispherical head and serves as the movable end of the damping cylinder 43, which will increase the service life of the damping device.
As a preferred embodiment: the cup-shaped blind hinge is used in a furniture cabinet door. For example, in a light furniture cabinet door, the use effect is particularly good.
One aspect of an embodiment of the present utility model provides a cup-shaped blind hinge comprising:
the hinge arm, the connecting piece and the hinge cup;
the connecting piece is rotatably connected between the hinge cup and the hinge arm;
the connecting piece comprises a first connecting piece and a second connecting piece;
the first connecting piece is hinged at a first position of the hinge cup, and the second end of the first connecting piece is hinged at a first end of the second connecting piece;
the second connecting piece is hinged at the middle part of the hinge arm at the second end;
the first connecting piece comprises a first groove body, a first extending part, a sliding pushing block and an abutting structure;
the first groove body comprises a top wall and side walls positioned at two sides of the top wall;
the first extension part is positioned at the connecting end of the first groove body and is an extension part of the side walls at the two sides;
the sliding pushing block is slidably positioned in the first groove body; an elastic piece is arranged in the sliding push block, one end of the elastic piece extends out from one end of the sliding push block, and the other end of the elastic piece is propped against the sliding push block;
the abutting structure is fixedly arranged at the connecting end of the first groove body and used for limiting the sliding of the sliding pushing block;
the first end of the second groove body is used as the second end of the second connecting piece and is hinged with the first end of the second connecting piece, the first end of the second connecting piece is propped against the sliding pushing block, the hinge cup and the hinge arm are in a first preset angle range, the sliding pushing block drives the second connecting piece to rotate under the elastic action of the elastic piece to generate a rotary swing force, and the rotary swing force is linked with the first connecting piece to drive the hinge cup to move.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. A cup-shaped blind hinge, comprising:
the hinge arm, the connecting piece and the hinge cup;
the connecting piece is rotatably connected between the hinge cup and the hinge arm;
wherein, the connecting piece includes first connecting piece, second connecting piece, third connecting piece and fourth connecting piece:
the first connecting piece is hinged at a first position of the hinge cup, and the second end of the first connecting piece is hinged at a first end of the second connecting piece;
the second connecting piece is hinged at the middle part of the hinge arm at the second end; the second connecting piece comprises a second groove body;
the first end of the third connecting piece is hinged with the end part of the hinge arm, and the second end of the third connecting piece is hinged with the first end of the fourth connecting piece; the middle part of the third connecting piece, which is positioned between the two ends, is hinged with the middle part of the first connecting piece;
the second end of the fourth connecting piece is hinged to a second position of the hinge cup, and the first position and the second position are different;
the first connecting piece comprises a first groove body, a first extending part, a sliding pushing block and an abutting structure;
the first groove body comprises a top wall and side walls positioned at two sides of the top wall;
the first extension part is positioned at the connecting end of the first groove body and is an extension part of the side walls at the two sides;
the sliding pushing block is slidably positioned in the first groove body; an elastic piece is arranged in the sliding push block, one end of the elastic piece extends out from one end of the sliding push block, and the other end of the elastic piece is propped against the sliding push block;
the abutting structure is fixedly arranged at the connecting end of the first groove body and used for limiting the sliding of the sliding pushing block;
the first end of the second groove body is used as the second end of the second connecting piece and is hinged with the first end of the second connecting piece, the first end of the second connecting piece is propped against the sliding pushing block, the hinge cup and the hinge arm are in a first preset angle range, the sliding pushing block drives the second connecting piece to rotate under the elastic action of the elastic piece to generate a swinging force, and the first connecting piece, the third connecting piece and the fourth connecting piece are linked based on the swinging force to drive the hinge cup to move.
2. The cup-shaped blind hinge of claim 1 wherein:
the end part of the first extension part, which is far away from the first groove body, is a first end of the first connecting piece;
a through hole used for being hinged with the third connecting piece is formed in the first extending part and close to the end part of the first groove body; and
The inner side of the first extension part is also provided with an annular projection surrounding the through hole and used for limiting the left-right movement of the third connecting piece.
3. The cup-shaped blind hinge of claim 1 wherein:
one or more protruding blocks are respectively arranged on the inner sides of the side walls on the two sides of the top wall and used for limiting the left-right movement of the sliding pushing block.
4. The cup-shaped blind hinge of claim 1 wherein:
the sliding push block and the first end of the second connecting piece are provided with mutually matched wheel movements;
the end part of the sliding pushing block, which is abutted against the second connecting piece, is in a ladder shape or a notch shape;
the second connector further includes: a second extension and a profiled cam;
the second groove body is positioned at the first end of the second connecting piece;
the second extension part is positioned at the second end of the second connecting piece and is an extension part of the side walls at two sides of the second groove body;
wherein, the concave bottom of the second groove body is provided with a bayonet;
wherein, the special-shaped cam is provided with a clamping block;
wherein, the special-shaped cam is fixed in the second groove body through the bayonet and the clamping block;
the special-shaped cam comprises an arc-shaped convex surface on one side, which is used for abutting against the sliding pushing block, and is used for rolling.
5. The cup-shaped blind hinge of claim 4 wherein:
the concave bottom of the second groove body is also provided with a positioning block, and the positioning block is abutted against the other side of the special-shaped cam.
6. Cup-shaped blind hinge according to any of claims 1 to 5, characterized in that:
the third connector: comprises a third groove body and a third extension part;
the third groove body is positioned at the first end of the third connecting piece;
the third extension part is positioned at the second end of the third connecting piece and is an extension part of the side walls at the two sides of the third groove body;
wherein, the end of the third extension part far away from the third groove body is used as the first end of the third connecting piece and is used for hinging the end of the hinge arm; the end part of the third groove body, which is far away from the third extension part, is used as the second end of the third connecting piece and is used for hinging the first end of the fourth connecting piece; and a hinge hole is formed at the joint of the third groove body and the third extension part and is used for being hinged with the middle part of the first connecting piece.
7. The cup-shaped blind hinge of claim 6 wherein:
the fourth connecting piece comprises a fourth groove body and a buffer device;
wherein the first end of the fourth groove body is used as the first end of the fourth connecting piece;
the second end of the fourth groove body is used as the second end of the fourth connecting piece;
wherein the buffer device is positioned in the fourth groove body;
the buffer device includes:
the damping cylinder seat is fixed in the fourth groove body;
the damping oil cylinder is positioned in the damping oil cylinder seat, and the movable end of the damping oil cylinder at least partially extends out of the damping oil cylinder seat;
and when the third connecting piece and the fourth connecting piece are in a second preset angle range, the movable end abuts against the inner wall of the concave bottom of the third groove body, and the damping oil cylinder generates damping force to delay the rotation speed in the preset direction.
8. The cup-shaped blind hinge of claim 7 wherein:
the damping oil cylinder comprises an oil cylinder jacket, a spring and a damping rod, wherein the oil cylinder jacket is provided with a containing cavity;
the first end of the cylinder jacket is a hemispherical head and is the movable end of the damping cylinder;
the second end of the oil cylinder jacket is an opening of the accommodating cavity;
the spring is positioned in the accommodating cavity;
and one end of the damping rod is connected and abutted against the spring, and the other end of the damping rod extends out of the opening and is abutted against the blocking plug pin of the fourth connecting piece.
9. Cup-shaped blind hinge according to any of claims 1 to 5, characterized in that:
the cup-shaped blind hinge is used in a furniture cabinet door.
10. A cup-shaped blind hinge, comprising:
the hinge arm, the connecting piece and the hinge cup;
the connecting piece is rotatably connected between the hinge cup and the hinge arm;
the connecting piece comprises a first connecting piece and a second connecting piece;
the first connecting piece is hinged at a first position of the hinge cup, and the second end of the first connecting piece is hinged at a first end of the second connecting piece;
the second connecting piece is hinged at the middle part of the hinge arm at the second end; the second connecting piece comprises a second groove body;
the first connecting piece comprises a first groove body, a first extending part, a sliding pushing block and an abutting structure;
the first groove body comprises a top wall and side walls positioned at two sides of the top wall;
the first extension part is positioned at the connecting end of the first groove body and is an extension part of the side walls at the two sides;
the sliding pushing block is slidably positioned in the first groove body; an elastic piece is arranged in the sliding push block, one end of the elastic piece extends out from one end of the sliding push block, and the other end of the elastic piece is propped against the sliding push block;
the abutting structure is fixedly arranged at the connecting end of the first groove body and used for limiting the sliding of the sliding pushing block;
the first end of the second groove body is used as the second end of the second connecting piece and is hinged with the first end of the second connecting piece, the first end of the second connecting piece is propped against the sliding pushing block, the hinge cup and the hinge arm are in a first preset angle range, the sliding pushing block drives the second connecting piece to rotate under the elastic action of the elastic piece to generate a swinging force, and the swinging force links the first connecting piece and drives the hinge cup to move.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220487745.5U CN219299042U (en) | 2022-03-08 | 2022-03-08 | Cup-shaped blind hinge |
| PCT/CN2022/082262 WO2023168755A1 (en) | 2022-03-08 | 2022-03-22 | Concealed cup hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220487745.5U CN219299042U (en) | 2022-03-08 | 2022-03-08 | Cup-shaped blind hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299042U true CN219299042U (en) | 2023-07-04 |
Family
ID=86954936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220487745.5U Active CN219299042U (en) | 2022-03-08 | 2022-03-08 | Cup-shaped blind hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299042U (en) |
-
2022
- 2022-03-08 CN CN202220487745.5U patent/CN219299042U/en active Active
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