CN109972951B - Automatic turn-up door buffering hinge of opening and close - Google Patents
Automatic turn-up door buffering hinge of opening and close Download PDFInfo
- Publication number
- CN109972951B CN109972951B CN201910224431.9A CN201910224431A CN109972951B CN 109972951 B CN109972951 B CN 109972951B CN 201910224431 A CN201910224431 A CN 201910224431A CN 109972951 B CN109972951 B CN 109972951B
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- Prior art keywords
- connecting rod
- door
- buffer
- hinge
- assembly
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1269—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/14—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with double-acting springs, e.g. for closing and opening or checking and closing no material
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention provides an automatic opening and closing up-turned door buffer hinge, which comprises a door bracket and a hinge seat, wherein a transmission assembly is hinged between the hinge seat and the connection of the door bracket, and the transmission assembly comprises a first connecting rod, a second connecting rod, a rotary cam and a bearing assembly; the central point shaft of the rotary convex shaft is connected to the hinge seat, the first connecting rod and the second connecting rod are mutually intersected, and the ends of the first connecting rod and the second connecting rod are respectively hinged to the rotary cam and the door bracket; the bearing assembly is connected to the hinge seat in a swinging way, the hinge seat is provided with an elastic assembly, the positioning end of the elastic assembly is buckled on the hinge seat, and the connecting end of the elastic assembly is arranged on the bearing assembly; and be equipped with two-way buffer in the second connecting rod, not only can realize opening automatically and closing, laborsaving convenience, and realize two-way buffering, noise abatement, protection efficiency is strong, increases the transmission bearing capacity, improves structural stability and reliability, ensures the quality of use of product.
Description
Technical Field
The invention relates to the field of upturning door hinges, in particular to an automatic opening and closing buffer hinge for an upturning door.
Background
The existing upturned door hinge comprises a main body, a spring, a hook lock and a hook; the spring, the hook lock and the hook are respectively arranged on the main body; the hook and the spring are respectively connected with the hook lock. The spring force of the spring is utilized to open the support of the turndown door, so that the turndown door is not hung down, and the turndown door can not rebound at any angle.
In actual operation, the above-mentioned flip-up door hinge has the following disadvantages:
the bearing capacity is poor, and when the weight of the door body is large, the hinge is easy to deform, so that the normal use of the door is influenced.
When the door is opened upwards, the weight of the door body needs to be overcome, the load is large, the labor is wasted, and the use is inconvenient.
The automatic closing cannot be realized, the closing effect is achieved by means of external force, and the single use is realized.
The door body can only be opened by 90 degrees, the opening amplitude of the door body is limited, and meanwhile, the traditional upward-turning door hinge can only drive the door to rotate to open or close upwards, namely, the door can only be completely opened or completely closed, the use state is limited, and the use effect is influenced.
Under the action of gravity or supporting elastic force, the upward-turning door is rotated to be closed or rotated to be opened at too high speed, so that the door body and the cabinet body and the door body and the transmission part are easy to collide to generate noise, the door body, the cabinet body and the transmission part are easy to damage, the stability of the hinge is reduced, the service life of the hinge is shortened, and the service life of a product is influenced.
Accordingly, conventional roll-up door hinges remain to be improved further.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an automatic opening and closing up-turning door buffer hinge which has a simplified structure, can realize automatic opening and closing, saves labor and is convenient, can realize bidirectional buffer, reduces noise, has strong protection effect, increases transmission bearing capacity, improves structural stability and reliability, and ensures the use quality of products.
The invention aims at realizing the following steps: the automatic opening and closing up-turning door buffering hinge comprises a door bracket fixedly installed on a door body and a hinge seat fixedly installed on a cabinet body, wherein a transmission assembly for driving the door body to open and close on the cabinet body is hinged between the hinge seat and the connection of the door bracket, and the transmission assembly comprises a first connecting rod, a second connecting rod, a rotary cam and a bearing assembly;
the center point shaft of the rotary cam is connected to the hinge seat, the first connecting rod and the second connecting rod are connected in a cross manner, and the two ends of the first connecting rod and the second connecting rod are respectively hinged to the rotary cam and the door bracket;
the bearing assembly is connected to the hinge seat in a swinging way, the hinge seat is provided with an elastic assembly which enables the rotary cam to be in tangential rolling connection with the bearing assembly under the elastic action and simultaneously generates the opening and closing assistance of the pushing door bracket, the positioning end of the elastic assembly is buckled on the hinge seat, and the connecting end of the elastic assembly is arranged on the bearing assembly;
the second connecting rod is internally provided with a bidirectional buffer device, the positioning buffer end of the bidirectional buffer device is connected to the hinged part of the door bracket and the second connecting rod, and the connecting buffer end of the bidirectional buffer device is connected to the crossing part of the first connecting rod and the second connecting rod.
Optimizing according to the above, wherein the tangent point of the bearing assembly tangent to the outer edge of the rotary cam is below the connecting line of the bearing assembly and the central point of the rotary cam, and the door closing torque pushing the rotary cam to rotate is formed;
the tangent point of the bearing assembly tangent to the outer edge of the rotating cam is above the line connecting the bearing assembly and the central point of the rotating cam, and simultaneously, the door opening torque pushing the rotating cam to rotate is formed.
According to the optimization, the bidirectional buffer device comprises a buffer inner rail, a buffer outer rail and a buffer damper, wherein the buffer inner rail is slidably arranged in an inner cavity of the buffer outer rail, a positioning end of the buffer inner rail is connected to a hinge joint of the second connecting rod and the door bracket, and a directional sliding piece which is slidably connected to the buffer outer rail and the buffer inner rail is arranged at the intersection of the first connecting rod and the second connecting rod; the buffer damper is arranged on the buffer inner rail, and the two ends of the buffer damper are respectively provided with a positioning slide block and a connecting slide block which are in sliding connection with the buffer inner rail.
According to the optimization, the buffer outer rail is provided with the locating pin for fixing the locating slide block, the upper end and the lower end of the connecting slide block are provided with the convex edges, and the buffer inner rail is provided with the limiting sliding groove which is in sliding connection with the locating pin and the convex edges.
According to the optimization, the directional sliding piece comprises a directional sliding block and a directional sliding nail, wherein the directional sliding block is connected with the connecting end of the buffer inner rail in a sliding manner and is fixedly installed with the directional sliding nail, and the directional sliding nail is fixedly installed on the first connecting rod and is connected with the second connecting rod in a sliding manner along with the opening and closing of the door bracket.
According to the optimization, the bearing assembly comprises a bearing in tangential rolling connection with the rotating cam, and a swinging seat in shaft connection with the hinge seat, wherein the bearing is arranged at the upper swinging end of the swinging seat, the lower swinging end of the swinging seat is provided with an elastic force adjusting device for adjusting the arm of the elastic assembly, and the adjusting end of the elastic force adjusting device is arranged in a matched manner with the connecting end of the elastic assembly.
According to the optimization, the elastic force adjusting device comprises an adjusting screw rod and an adjusting block, wherein the adjusting screw rod is arranged at the lower swinging end of the swinging seat, and the adjusting block is fixedly arranged at the connecting end of the elastic assembly and is in threaded connection with the adjusting screw rod.
According to the optimization, the elastic assembly comprises a spring, a front buckling block and a rear buckling block, one end of the spring is buckled with the front buckling block, the front buckling block is fixedly installed with the adjusting block of the elastic force adjusting device, the other end of the spring is buckled with the rear buckling block, and the rear buckling block is fixedly installed on the hinge seat.
According to the optimization, the first connecting rod is provided with a guide block, and the hinge base is provided with a guide groove which is in sliding connection with the guide block;
the hinge seat is provided with a supporting rod for limiting the opening position of the door bracket, and the connecting end of the first connecting rod is provided with a supporting concave position which is installed with the supporting rod;
the rotary cam is provided with a limiting concave position for limiting the closing position of the door bracket, and the guide block is connected with the limiting concave position along with the swinging of the first connecting rod.
According to the optimization, the hinge seat is internally provided with a supporting seat for rotating and swinging of the rotating cam, and two sides of the rotating cam are respectively provided with a reinforcing cam in tangential rolling connection with a bearing of the bearing assembly.
The invention has the advantages that:
the first connecting rod, the second connecting rod and the rotating cam which are mutually connected in a cross mode are matched in structure, so that transmission stability is improved, transmission performance of the transmission assembly is improved, bearing strength is increased, and deformation probability is reduced.
The bearing is tightly tangent with the rotating cam under the influence of the spring tension of the elastic assembly, and when the tangent point of the bearing and the rotating cam is below or above the bearing and the rotating cam, a door closing torque or a door opening torque pushing the rotating cam to rotate can be generated, so that automatic door closing or door opening is realized, labor is saved, the operation is convenient, and the stability of the structure is enhanced; meanwhile, when the rotation torque accords with the gravity of the door body during the closing or opening of the door, the door body can hover at any position, so that the door is suitable for use requirements and has strong applicability.
Through addding two-way buffer, the door body support pulls two-way buffer's buffering internal rail and removes, and first connecting rod pulling buffering external rail is relative to buffering internal rail reverse movement to compression buffer, realize that the upturning door has two-way buffering effect when closing or opening the door, noise reduction produces, protects hinge, door body and cabinet body effectively, ensures quality of use.
Under the action of the elastic force adjusting device, the spring force arm can be adjusted only by adjusting the adjusting screw rod, so that the door opening amplitude is adjusted, and the requirement of a user is met.
And the structure of the reinforced cam is matched, so that the bearing performance of the rotary cam is reinforced, the transmission stability is improved, the deformation probability is reduced, and the service life of the hinge is prolonged.
Drawings
Fig. 1 is a front view showing a closed state according to a preferred embodiment of the present invention.
Fig. 2 is a partial cross-sectional view of the present invention in a closed state.
Fig. 3 is a cross-sectional view showing a closed state according to a preferred embodiment of the present invention.
Fig. 4 is a front view showing an opened state of the preferred embodiment of the present invention.
Fig. 5 is a partial sectional view of the preferred embodiment of the present invention in an opened state.
Fig. 6 is a sectional view showing an opened state of the preferred embodiment of the present invention.
FIG. 7 is a perspective view of a bi-directional buffering apparatus according to a preferred embodiment of the present invention.
FIG. 8 is a cross-sectional view of a bi-directional buffering apparatus in accordance with a preferred embodiment of the present invention.
FIG. 9 is an exploded view of a bi-directional buffering apparatus according to a preferred embodiment of the present invention.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings.
According to the invention, as shown in figures 1 to 6, the automatic opening and closing up-turned door buffer hinge comprises a door bracket 1 fixedly installed on a door body and a hinge seat 2 fixedly installed on a cabinet body, wherein a transmission assembly for driving the door body to open and close on the cabinet body is hinged between the hinge seat 2 and the connection of the door bracket 1.
The transmission assembly comprises a first connecting rod 3, a second connecting rod 4, a rotary cam 5 and a bearing assembly 6, wherein the central point of the rotary cam 5 is connected to the hinge base 2 in a shaft way, the first connecting rod 3 and the second connecting rod 4 are connected in a cross way, and two ends of the first connecting rod 3 and the second connecting rod 4 are respectively hinged to the rotary cam 5 and the door bracket 1. The structure cooperation of the first connecting rod 3, the second connecting rod 4 and the rotary cam 5 which are mutually connected in a cross way is utilized, so that the transmission stability is improved, the transmission performance of the transmission assembly is improved, the bearing strength is increased, and the deformation probability is reduced.
In practical application, the first link 3 is provided with a guide block 10, and the hinge base 2 is provided with a guide groove 11 for sliding connection with the guide block 10. The rotation track of the door bracket 1 is controlled in direction by the guide block 10 of the first connecting rod 3 and the guide groove 11 of the hinge seat 2. Ensure smooth and stable rotation of the door body and improve the use quality of the product.
At the same time, the hinge base 2 is provided with a supporting rod 12 for limiting the open position of the door bracket 1, and the connecting end of the first connecting rod 3 is provided with a supporting concave position 31 which is installed with the supporting rod 12. The rotary cam 5 is provided with a restricting recess 51 for restricting the closing position of the door bracket 1, and the guide block 10 is connected to the restricting recess 51 in accordance with the swing of the first link 3. The structure cooperation of the supporting rod 12, the supporting concave position 31 and the limiting concave position 51 and the guide block 10 is utilized to limit the opening and closing position of the door body, improve the supporting strength and ensure the use quality of the opening and closing of the door body.
Referring to fig. 1 to 6, the bearing assembly 6 is swingably connected to the hinge base 2, the hinge base 2 is provided with an elastic assembly 7 which makes the rotating cam 5 and the bearing assembly 6 tangentially roll and connect under elastic action and simultaneously generates power for pushing the door bracket 1 to open and close, a positioning end of the elastic assembly 7 is buckled on the hinge base 2, and a connecting end of the elastic assembly 7 is installed on the bearing assembly 6.
Wherein the bearing assembly 6 comprises a bearing 61 in tangential rolling connection with the rotating cam 5, a swinging seat 62 in axial connection with the hinge seat 2. The bearing 61 is installed at the upper swing end of the swing seat 62, the lower swing end of the swing seat 62 is installed with an elastic force adjusting device 9 for adjusting the arm of force of the elastic assembly 7, and the adjusting end of the elastic force adjusting device 9 is installed in a matched manner with the connecting end of the elastic assembly 7.
In practical application, the elastic force adjusting device 9 includes an adjusting screw 91 and an adjusting block 92, the adjusting screw 91 is mounted at the lower swinging end of the swinging seat 62, and the adjusting block 92 is fixedly mounted at the connecting end of the elastic assembly 7 and is in threaded connection with the adjusting screw 91.
And, the elastic assembly 7 comprises a spring 71, a front fastening block 72 and a rear fastening block 73. One end of the spring 71 is buckled with the front buckling block 72, the front buckling block 72 is fixedly installed with the adjusting block 92 of the elastic force adjusting device 9, the other end of the spring 71 is buckled with the rear buckling block 73, and the rear buckling block 73 is fixedly installed on the hinge base 2.
That is, when the door bracket 1 is closed and the tangential point 16 between the rotating cam 5 and the bearing 61 is located below the connecting line 17 between the bearing 61 and the center point of the rotating cam 5, a rotational thrust door closing torque is generated to push the rotating cam 5 to rotate, thereby realizing automatic door closing.
As the door bracket 1 opens, under the influence of the tension of the spring 71, a rotational thrust door opening torque is generated when the point of tangency 16 of the rotating cam 5 with the bearing 61 is above the center point line 17 of the bearing assembly 6 and the rotating cam 5. When the door opening torque accords with the gravity of the door body, the door body can hover at any position in the middle. When the rotation torque is increased to the door body, the rotation cam 5 can be pushed to rotate, so that automatic door opening is realized.
After the door body is opened, only the adjusting block 92 needs to be adjusted, and the adjusting block 92 can move up and down along the adjusting screw 91, so that the opening amplitude of the door body is adjusted, the requirements of users are met, and the using effect of products is enhanced.
In addition, a supporting seat 13 for rotating and swinging the rotating cam 5 is arranged in the hinge seat 2, and reinforcing cams 14 which are in tangential rolling connection with the bearings 61 of the bearing assembly 6 are respectively arranged on two sides of the rotating cam 5. Further strengthen the bearing capacity of rotary cam 5, improve rotation stability, avoid rotary cam 5 to warp, ensure that the door body opens and shuts normally.
As shown in fig. 1 to 9, the second link 4 is provided with a bidirectional buffer device 8. The positioning buffer end of the bidirectional buffer device 8 is connected to the hinge joint of the door bracket 1 and the second connecting rod 4, and the connecting buffer end of the bidirectional buffer device 8 is connected to the intersection of the first connecting rod 3 and the second connecting rod 4.
In practical application, the bidirectional buffer device 8 includes a buffer inner rail 81, a buffer outer rail 82, and a buffer damper 83. The buffer inner rail 81 is slidably mounted in the inner cavity of the buffer outer rail 82, and the positioning end of the buffer inner rail 81 is connected to the hinge joint of the second connecting rod 4 and the door bracket 1. The intersection of the first connecting rod 3 and the second connecting rod 4 is provided with a directional sliding piece which is in sliding connection with the buffer outer rail 82 and the buffer inner rail 81, the buffer damper 83 is arranged on the buffer inner rail 81, and the two ends of the buffer damper 83 are respectively provided with a positioning sliding block 84 and a connecting sliding block 85 which are in sliding connection with the buffer inner rail 81.
The buffer outer rail 82 is provided with a positioning pin 86 for fixing the positioning slide block 84, the upper end and the lower end of the connecting slide block 85 are provided with convex edges 87, and the buffer inner rail 81 is provided with a limiting chute 88 which is in sliding connection with the positioning pin 86 and the convex edges 87.
When the door body is turned up, the door bracket 1 pulls the buffering inner rail 81 to move in the right direction to push the positioning pin 86 to move in the left direction along the limiting chute 88, and simultaneously pushes the positioning slider 84 to move in the left direction relatively. During this time, the first link 3 pulls the buffer outer rail 82 to move in the left direction, causing the link slider 85 to travel in the right direction along the limiting chute 88. Thus, the distance between the connecting slider 85 and the positioning slider 84 is smaller and smaller, and the buffer damper 83 is compressed, so that the door body is opened to have a buffer effect.
Similarly, when the door body is turned down, the door bracket 1 pulls the buffer inner rail 81 to move in the left direction to push the positioning pin 86 to move in the right direction along the limiting chute 88, and simultaneously pushes the positioning slider 84 to move in the right direction relatively. During this time, the first link 3 pulls the buffer outer rail 82 to move in the right direction, causing the link slider 85 to move in the left direction along the limiting chute 88. The distance between the connecting slide block 85 and the positioning slide block 84 is smaller and smaller, so that the buffer damper 83 is compressed, and the door body is closed, so that a buffer effect is achieved.
Further, the orientation slide includes an orientation slide 89, an orientation slide 810. The directional slider 89 is slidably connected to the connection end of the buffer inner rail 81 and fixedly installed with the directional slider 810, and the directional slider 810 is fixedly installed on the first link 3 and is slidably connected with the second link 4 along with the opening and closing of the door bracket 1. In this preferred embodiment, the second connecting rod 4 is provided with a directional chute 15 which is in sliding connection with a directional slide 810.
In this way, the buffer outer rail 82 and the buffer inner rail 81 are stably and smoothly moved along with the first link 3 and the second link 4 during the opening and closing of the door body, and the buffer effect of the bidirectional buffer device 8 is ensured.
The specific embodiment is only a specific implementation mode with good effect, and the structure identical or equivalent to the automatic opening and closing up-turning door buffer hinge is within the protection scope of the invention.
Claims (8)
1. The utility model provides an automatic open and close's flip-up door buffering hinge, includes door body fixed mounting's door holder (1), with cabinet body fixed mounting's hinge seat (2), its characterized in that: a transmission assembly for driving the door body to open and close on the cabinet body is hinged between the hinge base (2) and the connection of the door bracket (1), and the transmission assembly comprises a first connecting rod (3), a second connecting rod (4), a rotary cam (5) and a bearing assembly (6);
the center point shaft of the rotary cam (5) is connected to the hinge seat (2), the first connecting rod (3) and the second connecting rod (4) are connected in a cross manner, and the two ends of the first connecting rod (3) and the two ends of the second connecting rod (4) are respectively hinged to the rotary cam (5) and the door bracket (1);
the bearing assembly (6) is connected to the hinge seat (2) in a swinging way, the hinge seat (2) is provided with an elastic assembly (7) which enables the rotary cam (5) to be in tangential rolling connection with the bearing assembly (6) under the elastic action and simultaneously generates the opening and closing assistance of the pushing door bracket (1), the positioning end of the elastic assembly (7) is buckled on the hinge seat (2), and the connecting end of the elastic assembly (7) is arranged on the bearing assembly (6);
a bidirectional buffer device (8) is arranged in the second connecting rod (4), the positioning buffer end of the bidirectional buffer device (8) is connected to the hinge joint of the door bracket (1) and the second connecting rod (4), and the connecting buffer end of the bidirectional buffer device (8) is connected to the crossing of the first connecting rod (3) and the second connecting rod (4);
a tangent point (16) of the bearing assembly (6) tangent to the outer edge of the rotary cam (5) is arranged below a connecting line (17) of the bearing assembly (6) and the central point of the rotary cam (5), and a door closing torque for pushing the rotary cam (5) to rotate is formed at the same time;
a tangent point (16) of the bearing assembly (6) tangent to the outer edge of the rotary cam (5) is positioned above a central point connecting line (17) of the bearing assembly (6) and the rotary cam (5), and simultaneously, door opening torque for pushing the rotary cam (5) to rotate is formed;
the bidirectional buffer device (8) comprises a buffer inner rail (81), a buffer outer rail (82) and a buffer damper (83), wherein the buffer inner rail (81) is slidably arranged in an inner cavity of the buffer outer rail (82), a positioning end of the buffer inner rail (81) is connected to a hinge joint of the second connecting rod (4) and the door bracket (1), and a directional sliding piece which is slidably connected between the buffer outer rail (82) and the buffer inner rail (81) is arranged at the crossing of the first connecting rod (3) and the second connecting rod (4); the buffer damper (83) is arranged on the buffer inner rail (81), and the two ends of the buffer damper are respectively provided with a positioning sliding block (84) and a connecting sliding block (85) which are connected to the buffer inner rail (81) in a sliding way.
2. The automatically opened and closed flip-up door buffering hinge of claim 1, wherein: the buffer outer rail (82) is provided with a locating pin (86) for fixing the locating slide block (84), the upper end and the lower end of the connecting slide block (85) are provided with convex edges (87), and the buffer inner rail (81) is provided with a limiting chute (88) which is in sliding connection with the locating pin (86) and the convex edges (87).
3. The automatically opened and closed flip-up door buffering hinge of claim 1, wherein: the directional sliding part comprises a directional sliding block (89) and a directional sliding nail (810), wherein the directional sliding block (89) is connected with the connecting end of the buffer inner rail (81) in a sliding way and is fixedly installed with the directional sliding nail (810), and the directional sliding nail (810) is fixedly installed on the first connecting rod (3) and is connected with the second connecting rod (4) in a sliding way along with the opening and closing of the door bracket (1).
4. The automatically opened and closed flip-up door buffering hinge of claim 1, wherein: the bearing assembly (6) comprises a bearing (61) in tangential rolling connection with the rotary cam (5), and a swinging seat (62) in shaft connection with the hinge seat (2), wherein the bearing (61) is arranged at the upper swinging end of the swinging seat (62), the lower swinging end of the swinging seat (62) is provided with an elastic force adjusting device (9) for adjusting the force arm of the elastic assembly (7), and the adjusting end of the elastic force adjusting device (9) is arranged in a matched mode with the connecting end of the elastic assembly (7).
5. The automatically opened and closed flip-up door buffering hinge of claim 4, wherein: the elastic force adjusting device (9) comprises an adjusting screw rod (91) and an adjusting block (92), wherein the adjusting screw rod (91) is arranged at the lower swinging end of the swinging seat (62), and the adjusting block (92) is fixedly arranged at the connecting end of the elastic assembly (7) and is in threaded connection with the adjusting screw rod (91).
6. The automatically opened and closed flip-up door buffering hinge of claim 4, wherein: the elastic assembly (7) comprises a spring (71), a front buckling block (72) and a rear buckling block (73), one end of the spring (71) is buckled with the front buckling block (72), the front buckling block (72) is fixedly installed with an adjusting block (92) of the elastic force adjusting device (9), the other end of the spring (71) is buckled with the rear buckling block (73), and the rear buckling block (73) is fixedly installed on the hinge base (2).
7. The automatically opened and closed flip-up door buffering hinge of claim 1, wherein: the first connecting rod (3) is provided with a guide block (10), and the hinge seat (2) is provided with a guide groove (11) which is in sliding connection with the guide block (10);
the hinge seat (2) is provided with a supporting rod (12) for limiting the opening position of the door bracket (1), and the connecting end of the first connecting rod (3) is provided with a supporting concave position (31) which is installed with the supporting rod (12);
the rotary cam (5) is provided with a limiting concave position (51) for limiting the closing position of the door bracket (1), and the guide block (10) is connected with the limiting concave position (51) along with the swinging of the first connecting rod (3).
8. The automatically opened and closed flip-up door buffering hinge of claim 1, wherein: the hinge seat (2) is internally provided with a supporting seat (13) for rotating and swinging a rotating cam (5), and two sides of the rotating cam (5) are respectively provided with a reinforcing cam (14) which is in tangential rolling connection with a bearing (61) of the bearing assembly (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224431.9A CN109972951B (en) | 2019-03-23 | 2019-03-23 | Automatic turn-up door buffering hinge of opening and close |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224431.9A CN109972951B (en) | 2019-03-23 | 2019-03-23 | Automatic turn-up door buffering hinge of opening and close |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109972951A CN109972951A (en) | 2019-07-05 |
| CN109972951B true CN109972951B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910224431.9A Active CN109972951B (en) | 2019-03-23 | 2019-03-23 | Automatic turn-up door buffering hinge of opening and close |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109972951B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424863A (en) * | 2019-08-12 | 2019-11-08 | 深圳蓝韵医学影像有限公司 | A kind of door type structure and ray filtration piece switch outer casing door |
| CN111561240A (en) * | 2020-05-29 | 2020-08-21 | 清远市星徽精密制造有限公司 | Furniture hinge device capable of being loaded in large range |
| CN111749584A (en) * | 2020-06-19 | 2020-10-09 | 广东威法定制家居股份有限公司 | Side-push hidden door connecting device and storage cabinet |
| CN115832892B (en) * | 2023-02-14 | 2023-05-16 | 山东厚俞实业有限公司 | Self-locking medium-voltage switch cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07119348A (en) * | 1993-03-31 | 1995-05-09 | Arturo Salice Spa | Hinge for coupling joint of two plate for door |
| CN1500962A (en) * | 2002-11-13 | 2004-06-02 | Hinge | |
| JP2005164804A (en) * | 2003-12-01 | 2005-06-23 | Shimonishi Giken Kogyo Kk | Hinge of opening and closing member |
| DE202007018410U1 (en) * | 2007-05-07 | 2008-08-28 | Heinrich J. Kesseböhmer KG | furniture accessories |
| CN107407119A (en) * | 2015-03-05 | 2017-11-28 | 海蒂诗-欧尼有限公司及两合公司 | The hinge of household electrical appliance and household electrical appliance |
| CN209908204U (en) * | 2019-03-23 | 2020-01-07 | 广东星徽精密制造股份有限公司 | Automatic turn-over door buffering hinge of opening and close |
-
2019
- 2019-03-23 CN CN201910224431.9A patent/CN109972951B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07119348A (en) * | 1993-03-31 | 1995-05-09 | Arturo Salice Spa | Hinge for coupling joint of two plate for door |
| CN1500962A (en) * | 2002-11-13 | 2004-06-02 | Hinge | |
| JP2005164804A (en) * | 2003-12-01 | 2005-06-23 | Shimonishi Giken Kogyo Kk | Hinge of opening and closing member |
| DE202007018410U1 (en) * | 2007-05-07 | 2008-08-28 | Heinrich J. Kesseböhmer KG | furniture accessories |
| DE102007021784A1 (en) * | 2007-05-07 | 2008-11-13 | Heinrich J. Kesseböhmer KG | Furniture fitting of furniture part of piece of furniture, e.g. for pivoting furniture door of kitchen cabinet furniture, has fastening arm of furniture part swiveling around swivel axis of furniture fitting |
| CN107407119A (en) * | 2015-03-05 | 2017-11-28 | 海蒂诗-欧尼有限公司及两合公司 | The hinge of household electrical appliance and household electrical appliance |
| CN209908204U (en) * | 2019-03-23 | 2020-01-07 | 广东星徽精密制造股份有限公司 | Automatic turn-over door buffering hinge of opening and close |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109972951A (en) | 2019-07-05 |
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