CN211691960U

CN211691960U - Large-opening high-load hinge

Info

Publication number: CN211691960U
Application number: CN201921952116.XU
Authority: CN
Inventors: 戴贵阳
Original assignee: Zhongshan Sdhengtai Metal Goods Co ltd
Current assignee: Zhongshan Sdhengtai Metal Goods Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-10-16
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a high heavy burden hinge of big degree of opening, including fixing base, linking arm, link assembly, sliding seat, the linking arm is connected with the fixing base, and the sliding seat passes through link assembly and linking arm swing joint, the sliding seat correspond and be equipped with axle round pin piece and stopper respectively with link assembly hookup location's both sides. The utility model discloses a stopper and pivot piece restriction link assembly's tip warp, play the reinforcing effect in other words to link assembly's tip, avoid link assembly's tip to receive the extrusion of door body gravity and easy bending to increased the heavy burden ability of hinge, improved the hinge life-span.

Description

Large-opening high-load hinge

Technical Field

The utility model belongs to the hinge field, concretely relates to high heavy burden hinge of big degree of opening.

Background

The movable seat and the connecting rod end part of the traditional hinge are directly connected through the pin shaft, the connecting rod end part is usually cut off at the middle part of the connecting rod end part in order to be connected with the movable seat, and then the two side walls of the connecting rod end part pass through the pin shaft and the movable seat hinge, so that the strength of the connecting rod end part is reduced, the load of the hinge is reduced, the hinge is not suitable for being connected with a heavy door body, and the service life of the hinge is relatively short.

SUMMERY OF THE UTILITY MODEL

To the not enough of at least one among the above prior art, the utility model aims at providing a heavy burden hinge of big aperture height that bears a burden.

In order to achieve the above purpose, the utility model discloses the technical scheme who takes does: a large-opening high-load hinge comprises a fixed seat, a connecting arm, a connecting rod assembly and a movable seat, wherein the connecting arm is connected with the fixed seat, the movable seat is movably connected with the connecting arm through the connecting rod assembly, the connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, one end of the first connecting rod and one end of the third connecting rod are respectively hinged with the middle part and the front end of the connecting arm, the other end of the first connecting rod and the other end of the third connecting rod are respectively hinged with one end of the second connecting rod and one end of the fourth connecting rod, the other end of the second connecting rod and the other end of the fourth connecting rod are respectively hinged with the movable seat, the middle part of the second connecting rod is also hinged with the middle part of the third connecting rod, the movable seat is respectively provided with a first shaft pin block on two sides corresponding to one end of the second connecting rod hinged with the movable seat, the end part of the second, the end part of the second connecting rod is positioned between the first limiting block and the first shaft pin block; the movable seat is provided with second shaft pin blocks on two sides of one end, corresponding to the fourth connecting rod and hinged to the movable seat, of the movable seat, the end portion of the fourth connecting rod is hinged to the second shaft pin blocks through second pin shafts, a second limiting block is further arranged between the two second shaft pin blocks, and the end portion of the fourth connecting rod is located between the second limiting block and the second shaft pin blocks.

In the scheme, the end parts of the second connecting rod and the fourth connecting rod hinged to the movable seat are respectively arranged between the limiting block and the shaft pin block, the limiting block and the shaft pin block limit the end parts of the second connecting rod and the fourth connecting rod to deform, which is equivalent to the effect of reinforcing the end parts of the second connecting rod and the fourth connecting rod, and the end parts of the second connecting rod and the fourth connecting rod are prevented from being easily bent under the extrusion of the gravity of the door body, so that the load bearing capacity of the hinge is increased, and the service life of the hinge is prolonged.

Furthermore, the two opposite sides of the movable seat are respectively provided with a fixed block, and the top surface of the fixed block is provided with a fixed hole. The movable seat is fixed on the door body by utilizing the screws to penetrate through the fixing holes of the fixing block.

Further, the bottom side of foretell fixed block is equipped with first strengthening rib, improves the intensity of fixed block, guarantees the stability of sliding seat AND gate body coupling, and the fixed block top surface is less than the top surface of sliding seat to make in the sliding seat can imbed the predetermined mounting groove of the aluminum alloy door body, and the sliding seat lateral wall that the sliding seat corresponds the fixed block top can laminate with gate body mounting groove lateral wall, plays limiting displacement, further improves the stability of sliding seat AND gate body coupling.

Furthermore, the position of the side wall of the movable seat, corresponding to the front side or the rear side of the fixed block, is provided with a second reinforcing rib, and the top surface of the second reinforcing rib is as high as the top surface of the fixed block, so that the strength of the side wall of the movable seat is increased.

Furthermore, a damping seat is arranged in the connecting arm, a damper is arranged on the damping seat, a piston rod of the damper is in static contact with the damping seat, and the third connecting rod can push a cylinder body of the damper to move relative to the damping seat. When the door body drives the movable seat to swing to a set angle along the door closing direction, the third connecting rod pushes the cylinder body of the damper to move relative to the damping seat, and due to the damping effect of the damper, the speed of the movable seat approaching the door frame is slow, so that the door body is prevented from being in strong collision with the cabinet frame.

Furthermore, a sliding groove matched with the cylinder body is formed in one side, corresponding to the damper, of the damping seat, so that the cylinder body can slide stably.

Furthermore, in order to facilitate the installation of the damping seat, the front end and the rear end of the damping seat are respectively connected with the connecting arm through a third pin shaft.

The utility model prevents the end parts of the second connecting rod and the fourth connecting rod from being easily bent under the extrusion of the gravity of the door body by limiting blocks and shaft pin blocks, thereby increasing the load bearing capacity of the hinge and prolonging the service life of the hinge; and the linking arm is through built-in attenuator, and when closing the door, the third connecting rod promotes the cylinder body removal of attenuator, realizes the buffering of closing the door, avoids the door body and the doorframe to take place brute force collision, reduces the noise of closing the door and avoids the risk of article damage in the cabinet.

Drawings

Fig. 1 is a structural diagram of a hinge according to an embodiment of the present invention.

Fig. 2 is an opening state diagram of the hinge according to the embodiment of the present invention.

Fig. 3 is a folding state diagram of the hinge according to the embodiment of the present invention.

Fig. 4 is an exploded view of a hinge according to an embodiment of the present invention.

Fig. 5 is a diagram illustrating a state where the hinge starts to buffer when in use according to an embodiment of the present invention.

Fig. 6 is a folding state diagram of the hinge according to the embodiment of the present invention after closing the door.

Fig. 7-9 are structural diagrams of the movable seat of the hinge according to the embodiment of the present invention, which are placed in different directions.

Fig. 10 is a structural view of a damping seat of a hinge according to an embodiment of the present invention.

Fig. 11 is a spring seat structure view of a hinge according to an embodiment of the present invention.

Fig. 12 is a partial schematic view of a door frame according to an embodiment of the present invention.

Fig. 13 is a state diagram of a portion of a hinge assembly prior to cushioning in accordance with an embodiment of the present invention.

Fig. 14 is a state diagram of a portion of the components of a hinge about to cushion in accordance with an embodiment of the present invention.

Fig. 15 is a state diagram of a portion of the components in the hinge cushion according to an embodiment of the present invention.

Fig. 16 is a partial state diagram of the hinge assembly at the end of cushioning according to an embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the patent.

In order to explain the embodiment more simply, some parts of the drawings or descriptions that are well known to those skilled in the art but are not relevant to the main content of the present invention will be omitted. In addition, some components in the drawings may be omitted, enlarged or reduced for convenience of description, but do not represent the size or the entire structure of an actual product.

Examples

As shown in fig. 1 to 16, the present embodiment provides a large-opening high-load hinge, which includes a fixed seat 1, a connecting arm 2, a connecting rod assembly, and a movable seat 3, wherein the connecting arm 2 is mounted on the fixed seat 1 through a middle arm 9, the connecting rod assembly includes a first connecting rod 51, a second connecting rod 52, a third connecting rod 53, a fourth connecting rod 54, a spring seat 55, a connecting piece 56, and a spring 57, wherein one end of the first connecting rod 51 and one end of the third connecting rod 53 are respectively hinged to the middle portion and the front end of the connecting arm 2, the other ends of the first connecting rod 51 and the third connecting rod 53 are respectively hinged to one end of the second connecting rod 52 and one end of the fourth connecting rod 54, the other ends of the second connecting rod 52 and the fourth connecting rod 54 are respectively hinged to the movable seat 3, and the middle portion of the; the spring seat 55 is installed on the third link 53, the connector 56 is installed on the fourth link 54, the spring 57 is installed on the spring seat 55, the spring seat 55 is provided with a convex hull 551 corresponding to the end position of the spring 57, the convex hull 551 limits the end position of the spring 57, two sides of the spring seat 55 are provided with protrusions 552, the protrusions 552 limit two sides of the spring 57, the spring 57 is located between the spring seat 55 and the connector 56, one end of the spring 57 corresponding to the connector 56 is provided with a contact 58, the contact 58 is located between the connector 56 and the spring 57, when the door is closed, the connector 56 compresses the spring 57 by pushing the contact 58, in this embodiment, in order to reduce the noise generated by the friction between the connector 56 and the contact 58, the contact 58 is preferably made of rubber material; the second connecting rod 52 and the fourth connecting rod 54 are hinged to the movable seat 3 at the front ends, as shown in fig. 7-9, the movable seat 3 is provided with first axis pin blocks 31 at two sides corresponding to the front end of the second connecting rod 52, the first axis pin block 31 is provided with a hinge hole, the middle part of the front end of the second connecting rod 52 is hollowed, two side walls of the front end of the second connecting rod 52 are provided with hinge holes, a first axis pin 61 passes through two side walls of the front end of the second connecting rod 52 and the hinge hole of the first axis pin block 31 respectively to realize that the front end of the second connecting rod 52 is hinged to the first axis pin block 31, two first limiting blocks 32 are further arranged between the two first axis pin blocks 31, each side wall of the front end of the second connecting rod 52 is clamped between the first axis pin block 31 and the first limiting block 32 at the corresponding side, and the distance between the first axis pin block 31 and the first limiting block 32 at the same side is slightly larger than the thickness of the side wall, thus, the deformation of the front end of the second link 52 is restricted by the cooperation of the first stopper 32 and the first pivot pin 31. The movable seat 3 is provided with second shaft pin blocks 33 on two sides corresponding to the front end of the fourth connecting rod 54, the second shaft pin blocks 33 are provided with hinge holes, the middle part of the front end of the fourth connecting rod 54 is hollowed, two side walls of the front end of the fourth connecting rod 54 are provided with hinge holes, a second pin 62 respectively passes through two side walls of the front end of the fourth connecting rod 54 and the hinge hole of the second shaft pin block 33 to realize that the front end of the fourth connecting rod 54 is hinged with the second shaft pin blocks 33, two second limit blocks 34 are further arranged between the two second shaft pin blocks 33, each side wall of the front end of the fourth connecting rod 54 is clamped between the second shaft pin block 33 and the second limit block 34 on the corresponding side, the distance between the second shaft pin block 33 and the second limit block 34 on the same side is slightly larger than the thickness of the side wall of the front end of the fourth connecting rod 54, and the second shaft pin block 33 jointly act to.

In the above scheme, the limiting blocks and the shaft pin blocks act together to reinforce the ends of the second connecting rod 52 and the fourth connecting rod 54, so that the ends of the second connecting rod 52 and the fourth connecting rod 54 are prevented from being easily bent under the extrusion of the gravity of the door body when in use, the load bearing capacity of the hinge is increased, and the service life of the hinge is prolonged.

As a modified solution of this embodiment, as shown in fig. 7-9, the left and right sides of the movable seat 3 are respectively provided with a fixed block 35, and the top surface of the fixed block 35 is provided with a fixed hole 351, so that the movable seat 3 is fixed on the door body 8 by passing a screw through the fixed hole 351 of the fixed block 35. The bottom side of the fixed block 35 is provided with a first reinforcing rib 36, and the top surface of the fixed block 35 is lower than the top surface of the movable seat 3, so that the movable seat 3 can be embedded into a mounting groove 81 preset in the aluminum alloy door body 8, and the side wall of the movable seat 3 above the fixed block 35, corresponding to the movable seat 3, can be attached to the side wall of the door body mounting groove 81, thereby playing a limiting role and further improving the stability of connection between the movable seat 3 and the door body 8; the position of the side wall of the movable seat 3 corresponding to the front side or the rear side of the fixed block 35 is provided with a second reinforcing rib 37, the top surface of the second reinforcing rib 37 is equal to the top surface of the fixed block 35 in height, and the strength of the side wall of the movable seat 3 is increased.

Also as a modified solution of this embodiment, the above-mentioned connecting arm 1 is a channel steel type, the inside of the connecting arm 2 is provided with a damping seat 71, the damping seat 71 is provided with a self-resetting damper 72, the damper 72 includes a cylinder body 722 and a piston rod 721 capable of sliding relative to the cylinder body, when the cylinder body 722 and the piston rod 721 are compressed, the damping seat is automatically reset without external force, the piston rod 721 of the damper 72 abuts against a counter bore 712 at the rear end of the damping seat 71, so that the piston rod 721 cannot slide relative to the damping seat 71, after the damper 72 is reset, the lower portion of the rear end of the cylinder body 722 abuts against a stop block 713 at the front end of the damping seat 71, preferably, a sliding groove 711 matched with the cylinder body 722 is provided at a side of the damping seat 71 corresponding to the damper 72, and the front end and the rear end of the damping seat 71 are respectively connected to. When the door is closed to the set angle a, the third link 53 contacts the rear portion of the cylinder 722 of the damper 72 and pushes the cylinder 722 to move in the rear direction along the sliding groove 711. The portion of the third link 53 pushing the cylinder 722 of the damper 72 is the driving portion 531, when the door is closed to the set angle a, the driving portion 531 of the third link 53 contacts with the upper portion of the rear end of the cylinder 722, and as the angle of the door is smaller and smaller, the distance that the third link 53 pushes the cylinder 722 is longer, the door is directly closed completely, and the cylinder 722 stops moving.

The hinge theory of operation of this embodiment, the fixing base 1 of hinge is fixed in the door frame 10 inboard, and in the mounting groove 81 that the sliding seat 3 embedding aluminum alloy door body 8 was predetermine, utilize the screw to pass the fixed orifices 351 of fixed block 35 and the screw hole 80 that predetermines of the door body 8 for sliding seat 3 and door body 8 fixed connection. When the door 8 is closed to the predetermined cushioning angle a, the driving portion 531 of the third link 53 contacts the upper portion of the rear end of the cylinder 722, and the damper 72 starts to resist the force of closing the door, thereby cushioning the door. When the door body 8 continues to rotate towards the door closing direction, the third connecting rod 53 pushes the cylinder body 722 to move backwards, and the cylinder body 722 does not stop moving until the door body 8 is completely closed; when the door body 8 is opened, the cylinder body 722 automatically resets to prepare for the next door closing buffering.

The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and the design concept of the present invention is right, the insubstantial modification made by the present invention all falls into the protection scope of the present invention.

Claims

1. A large-opening high-load hinge comprises a fixed seat (1), a connecting arm (2), a connecting rod assembly and a movable seat (3), wherein the connecting arm (2) is connected with the fixed seat (1), the movable seat (3) is movably connected with the connecting arm (2) through the connecting rod assembly, the connecting rod assembly comprises a first connecting rod (51), a second connecting rod (52), a third connecting rod (53) and a fourth connecting rod (54), wherein one ends of the first connecting rod (51) and the third connecting rod (53) are respectively hinged with the middle part and the front end of the connecting arm (2), the other ends of the first connecting rod (51) and the third connecting rod (53) are respectively hinged with one ends of the second connecting rod (52) and the fourth connecting rod (54), the other ends of the second connecting rod (52) and the fourth connecting rod (54) are respectively hinged with the movable seat (3), the middle part of the second connecting rod (52) is also hinged with the middle part of the third connecting rod (53), the method is characterized in that: the movable seat (3) is respectively provided with a first shaft pin block (31) at two sides corresponding to one end of the second connecting rod (52) hinged with the movable seat (3), the end part of the second connecting rod (52) is hinged with the first shaft pin block (31) through a first shaft pin (61), a first limit block (32) is arranged between the two first shaft pin blocks (31), and the end part of the second connecting rod (52) is positioned between the first limit block (32) and the first shaft pin block (31); the movable seat (3) is provided with second shaft pin blocks (33) on two sides corresponding to one end, hinged to the movable seat (3), of the fourth connecting rod (54), the end portion of the fourth connecting rod (54) is hinged to the second shaft pin blocks (33) through second pin shafts (62), second limiting blocks (34) are further arranged between the two second shaft pin blocks (33), and the end portion of the fourth connecting rod (54) is located between the second limiting blocks (34) and the second shaft pin blocks (33).

2. The large-opening high-load hinge of claim 1, wherein: the two opposite sides of the movable seat (3) are respectively provided with a fixed block (35), and the top surface of the fixed block (35) is provided with a fixed hole (351).

3. The large-opening high-load hinge of claim 2, wherein: the bottom side of the fixed block (35) is provided with a first reinforcing rib (36), and the top surface of the fixed block (35) is lower than the top surface of the movable seat (3).

4. The large-opening high-load hinge of claim 3, wherein: and the side wall of the movable seat (3) is provided with a second reinforcing rib (37) at a position corresponding to the front side or the rear side of the fixed block (35), and the top surface of the second reinforcing rib (37) is as high as the top surface of the fixed block (35).

5. The large-opening high-load hinge of claim 1, wherein: a damping seat (71) is arranged in the connecting arm (2), a damper (72) is arranged on the damping seat (71), a piston rod (721) of the damper (72) is in static contact with the damping seat (71), and the third connecting rod (53) can push a cylinder body (722) of the damper (72) to move relative to the damping seat (71).

6. The large-opening high-load hinge of claim 5, wherein: one side of the damping seat (71) corresponding to the damper (72) is provided with a sliding groove (711) matched with the cylinder body (722).

7. The large-opening high-load hinge of claim 5, wherein: the front end and the rear end of the damping seat (71) are respectively connected with the connecting arm (2) through a third pin shaft.