CN215830272U

CN215830272U - Damping hinge

Info

Publication number: CN215830272U
Application number: CN202122048609.4U
Authority: CN
Inventors: 王豪雄
Original assignee: Zhejiang Yongkang Guansheng Machinery Factory
Current assignee: Zhejiang Yongkang Guansheng Machinery Factory
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-15
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a damping hinge, which relates to the technical field of opening and closing structure installation accessories and comprises: a door-locking connecting rod; the shell is hinged with one end of the door locking connecting rod; the door locking elastic mechanism is movably arranged in the shell; the elastic piece is arranged in the shell; the damping mechanism is arranged in the shell and comprises a damping push rod and a damper, the elastic piece is sleeved on the damping push rod, one end of the door locking elastic mechanism is connected with the door locking connecting rod, the other end of the door locking elastic mechanism is connected with one end of the damping push rod, and the damper is arranged at the other end of the damping push rod. The integral type setting of elastic component and damping mechanism in this application has effectively reduced the length of whole hinge for the structure of whole hinge is compacter, has reduced installation space's requirement, and then has enlarged the range of application of hinge.

Description

Damping hinge

Technical Field

The utility model relates to the technical field of opening and closing structure installation accessories, in particular to a damping hinge.

Background

The hinge is a common opening and closing device for opening and closing the doorframe. At present, some hinges with the self-closing function can automatically close a door body after the door body is opened, but the hinges often generate larger noise when the door body is closed, and for reducing the noise when the door is closed, some hinges are additionally provided with dampers with the buffering function, so that the door body is slowly closed to avoid the noise generated by the door body rapidly colliding with the cabinet body. However, in the existing hinge with self-closing function, the damping component for damping and the tension spring for automatic closing are usually connected in sequence, for example, patent CN201821536764.2 discloses a bidirectional damping mechanism and a hinge containing the damping mechanism, and a damping mechanism is provided between the damping mechanism and the tension spring; patent CN201921515056.5 damping hinge and steam oven, discloses a buffer damper between the door locking force weighting piece and the elastic piece (tension spring), and the buffer damper is arranged on the transmission bracket, the transmission bracket is connected with the elastic piece through the guide block; the damping assembly for buffering and the tension spring for automatic closing are arranged in a mode, so that the whole hinge is long in length, large in occupied space and high in requirement on installation space, and the application range of the hinge is further narrowed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The damping hinge provided by the utility model has a compact structure, can effectively reduce the length of the whole hinge, and reduces the requirement on installation space.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows:

a damped hinge, comprising: a door-locking connecting rod; the shell is hinged with one end of the door locking connecting rod; the door locking elastic mechanism is movably arranged in the shell; the elastic piece is arranged in the shell;

the damping mechanism is arranged in the shell and comprises a damping push rod and a damper, the elastic piece is sleeved on the damping push rod, one end of the door locking elastic mechanism is connected with the door locking connecting rod, the other end of the door locking elastic mechanism is connected with one end of the damping push rod, and the damper is arranged at the other end of the damping push rod.

In this application, when closing the door, the effort is applyed to the lock door elastic mechanism to the lock door connecting rod, the deformation can take place for the lock door elastic mechanism, and produce certain reaction force, the lock door elastic mechanism carries out linear motion in the casing simultaneously, drive the damping push rod then and remove and withstand the attenuator towards the direction of attenuator, make the attenuator compression, because the attenuator receives the compression, the attenuator can produce and promote the opposite effort of direction (the flexible direction of elastic component) with the attenuator, thereby slow down the speed that the damping push rod removed, slow down the flexible speed of elastic component, and then make and have the cushioning effect when closing the door, eliminate the noise that produces when closing the door, and the use comfort is improved. Simultaneously, because the elastic component cover is located on the damping push rod, the one end of damping push rod is located to the attenuator for damping mechanism with the elastic component sets up as an organic whole, compares in the current damping subassembly that will be used for the buffering and the mode that is used for automatic closed extension spring (elastic component) to connect gradually the setting, and the elastic component in this application sets up with damping mechanism's integral type, has effectively reduced the length of whole hinge for the structure of whole hinge is compacter, has reduced installation space's requirement, and then has enlarged the range of application of hinge.

Optionally, the door locking device further comprises a door locking wheel and a positioning shaft, wherein the door locking wheel is movably arranged on the door locking elastic mechanism through the positioning shaft.

Optionally, the door locking elastic mechanism comprises a door locking support, a spring and a spring guide shaft, the door locking wheel is slidably arranged on the door locking support, one end of the door locking support is rotatably connected with the door locking connecting rod, the other end of the door locking support is connected with the damping push rod, the spring sleeve is arranged on the spring guide shaft, and the spring guide shaft is arranged on the door locking support.

Optionally, a sliding groove is formed in the door locking support, the positioning shaft is arranged in the sliding groove, and the door locking wheel is clamped into the sliding groove through the positioning shaft.

Optionally, one end of the door locking connecting rod, which is close to the housing, is provided with a limiting protrusion, and a limiting groove is formed on the surface of the door locking connecting rod, which corresponds to the limiting protrusion.

Optionally, the limiting groove is an arc-shaped groove.

Optionally, the damper further comprises a damping shell, the damping shell is connected with the shell, and the damper is arranged in the damping shell.

Optionally, one end of the door locking connecting rod close to the shell is provided with a limiting buckle for limiting during installation.

Optionally, the elastic member is a spring.

Optionally, a rotating shaft is arranged on the door locking connecting rod, and the door locking connecting rod is hinged to the shell through the rotating shaft.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) the damping hinge that this application embodiment provided, simple structure, because the elastic component cover is located on the damping push rod, the one end of damping push rod is located to the attenuator for damping mechanism with the elastic component sets up as an organic wholely, compares in the current mode that damping subassembly that will be used for the buffering and extension spring (elastic component) that are used for automatic closure connect gradually the setting, and the elastic component in this application sets up with damping mechanism's integral type, has effectively reduced the length of whole hinge, makes the structure of whole hinge compacter, has reduced installation space's requirement, and then has enlarged the range of application of hinge.

(2) According to the damping hinge provided by the embodiment of the application, by arranging the specific structure of the door locking elastic mechanism, when the door is closed, the door locking connecting rod rotates to drive the door locking bracket to move and compress the spring, the rebound force of the spring acts on the spring guide shaft, and then the door locking wheel is driven by the spring guide shaft to move towards the upper direction close to the door locking connecting rod; meanwhile, the door locking support pushes the damping push rod to move and push against the damper, and the damper generates a buffering effect due to compression, so that the speed of the door locking wheel moving towards the direction close to the door locking connecting rod is controlled and slowed down, and the aim of closing the door in a damping manner is fulfilled.

(3) The damping hinge that this application embodiment provided can guarantee the change of position of lock door wheel on the lock door connecting rod through setting up the spout, and when making lock door wheel side-to-side motion, the skew in vertical direction can not appear in the lock door wheel to guarantee that whole lock door elastic mechanism and elastic component, damping mechanism provide the effort on the horizontal direction.

(4) According to the damping hinge provided by the embodiment of the application, by arranging the limiting protrusion and the limiting groove, when the door is closed, the door locking connecting rod applies acting force to the door locking elastic mechanism, so that the door locking elastic mechanism is in an elastic deformation state, the door locking elastic mechanism can generate reaction force, the door locking elastic mechanism drives the door locking wheel to abut against the limiting groove, the door locking wheel is not easy to fall out of the limiting groove under the limiting effect of the limiting protrusion, the door locking force is further increased, and the door body cannot be washed away; when the door is opened, the door locking wheel is separated from the limiting groove, and the door locking elastic mechanism is in a relaxed state.

(5) The damping hinge that this application embodiment provided, the spacing groove is the arc wall, can increase the area of contact of lock door wheel and lock door connecting rod for the lock door wheel has a buffering transitional action in the change of position of lock door connecting rod, guarantees simultaneously that lock door wheel leans on the contact with arc groove face counterbalance all the time, further reduces the noise that rotates the in-process and produce, reaches the effect of silence.

(5) The damping hinge that this application embodiment provided through setting up the damping casing, not only can protect the attenuator, and can play the effect of injecing the attenuator, prevents that the attenuator from taking place relative movement under the effect of damping push rod.

Drawings

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

Fig. 2 is a schematic structural diagram of a damping hinge without a housing according to an embodiment of the present invention.

Fig. 3 is an exploded view of a damped hinge according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a door locking link in a damping hinge according to an embodiment of the present invention.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.

Example 1

With reference to fig. 1-3, the present embodiment provides a damped hinge comprising: a door-locking connecting rod 1; the shell 2 is hinged with one end of the door locking connecting rod 1; the door locking elastic mechanism 3 is movably arranged in the shell 2; the elastic piece 6 is arranged in the shell 2; damping mechanism, damping mechanism locates in the casing 2, damping mechanism includes damping push rod 4 and attenuator 5, elastic component 6 cover is located on the damping push rod 4, the one end of locking elastic mechanism 3 with lock door connecting rod 1 is connected, the other end of locking elastic mechanism 3 with the one end of damping push rod 4 is connected, attenuator 5 is located the other end of damping push rod 4.

In this application, when closing the door, the effort is exerted to locking elastic mechanism 3 to locking connecting rod 1, locking elastic mechanism 3 can take place deformation, and produce certain reaction force, locking elastic mechanism 3 simultaneously carries out linear motion in casing 2, drive damping push rod 4 then and remove and withhold attenuator 5 towards attenuator 5's direction, make attenuator 5 compress, because attenuator 5 receives the compression, attenuator 5 can produce the effort opposite with 5 promotion directions of attenuator (the flexible direction of elastic component 6), thereby slow down the speed that damping push rod 4 removed, slow down the flexible speed of elastic component 6, and then make to have the cushioning effect when closing the door, the noise that produces when eliminating the door, improve use comfort. Simultaneously, because elastic component 6 cover is located on damping push rod 4, attenuator 5 locates the one end of damping push rod 4 for damping mechanism with elastic component 6 sets up as an organic wholely, compare in the current damping subassembly that will be used for the buffering and the mode that is used for automatic closed extension spring (elastic component 6) to connect gradually the setting, elastic component 6 in this application sets up with damping mechanism's integral type, has effectively reduced the length of whole hinge, makes the structure of whole hinge compacter, has reduced installation space's requirement, and then has enlarged the range of application of hinge

Example 2

With reference to fig. 3, compared with the technical solution of embodiment 1, the damping hinge of this embodiment can be improved as follows: the door locking device further comprises a door locking wheel 7 and a positioning shaft 8, wherein the door locking wheel 7 is movably arranged on the door locking elastic mechanism 3 through the positioning shaft 8.

In practical application, the door-locking wheel 7 is arranged at one end of the door-locking elastic mechanism 3 close to the door-locking connecting rod 1. When the door locking connecting rod 1 rotates, the door locking connecting rod 1 exerts acting force on the door locking elastic mechanism 3 to push the door locking elastic mechanism 3 to move in the shell 2, and meanwhile, the door locking wheel 7 moves correspondingly.

Example 3

With reference to fig. 2-3, compared with the technical solution of embodiment 2, the damping hinge of this embodiment can be improved as follows: the door locking elastic mechanism 3 comprises a door locking support 9, a spring 10 and a spring guide shaft 11, a door locking wheel 7 is slidably arranged on the door locking support 9, one end of the door locking support 9 is rotatably connected with a door locking connecting rod 1, the other end of the door locking support 9 is connected with a damping push rod 4, the spring 10 is sleeved on the spring guide shaft 11, and the spring guide shaft 11 is arranged on the door locking support 9. By adopting the door locking elastic mechanism 3 with the structure, when the door is closed, the door locking connecting rod 1 rotates to drive the door locking bracket 9 to move and compress the spring 10, the rebound force of the spring 10 acts on the spring guide shaft 11, and the door locking wheel 7 is driven by the spring guide shaft 11 to move towards the upper direction close to the door locking connecting rod 1; meanwhile, the door locking support 9 pushes the damping push rod 4 to move and push against the damper 5, and the damper 5 generates a buffering effect due to compression, so that the speed of the door locking wheel 7 moving towards the direction close to the door locking connecting rod 1 is controlled and slowed down, and the aim of closing the door in a damping manner is fulfilled.

Example 4

With reference to fig. 3, compared with the technical solution of embodiment 3, the damping hinge of this embodiment can be improved as follows: the door locking support 9 is provided with a sliding groove 12, the positioning shaft 8 is arranged in the sliding groove 12, and the door locking wheel 7 is clamped into the sliding groove 12 through the positioning shaft 8.

In practical application, the middle line of the sliding groove 12 is a straight line, and the arrangement can ensure that the position of the door locking wheel 7 on the door locking connecting rod 1 changes, so that the door locking wheel 7 cannot deviate in the vertical direction when the door locking wheel 7 moves left and right, and the whole door locking elastic mechanism 3, the elastic part 6 and the damping mechanism are ensured to provide acting force in the horizontal direction.

Example 5

With reference to fig. 4, compared with any of the technical solutions of embodiments 1 to 4, the damping hinge of the present embodiment may be improved as follows: a limiting protrusion 13 is arranged at one end of the door locking connecting rod 1 close to the shell 2, and a limiting groove 14 is formed on the surface of the door locking connecting rod 1 opposite to the limiting protrusion 13. When the door is closed, the door locking connecting rod 1 exerts acting force on the door locking elastic mechanism 3, so that the door locking elastic mechanism 3 is in an elastic deformation state, the door locking elastic mechanism 3 can generate reaction force, the door locking elastic mechanism 3 drives the door locking wheel 7 to abut against the limiting groove 14, the door locking wheel 7 is not easy to fall off the limiting groove 14 under the limiting action of the limiting bulge 13, the door locking force is further increased, and the door body cannot be opened by impact; when the door is opened, the door locking wheel 7 is separated from the limiting groove 14, and the door locking elastic mechanism 3 is in a relaxed state.

Example 6

Compared with the technical scheme of the embodiment 5, the damping hinge of the embodiment can be improved as follows: the limiting groove 14 is an arc-shaped groove. The arc wall can increase the area of contact of lock door wheel 7 and lock door connecting rod 1 for lock door wheel 7 has a buffering transitional action in the change of position of lock door connecting rod 1, guarantees simultaneously that lock door wheel 7 leans on the contact with arc groove face counterbalance all the time, further reduces the noise that rotates the in-process and produce, reaches the effect of silence.

Example 7

With reference to fig. 1-3, compared with the technical solution of embodiment 1, the damping hinge of this embodiment can be improved as follows: the damping device further comprises a damping shell 15, the damping shell 15 is connected with the shell 2, and the damper 5 is arranged in the damping shell 15. In practical application, one end of the damper 5 far away from the damping push rod 4 is fixed in the damping shell 15, and the damping shell 15 can protect the damper 5 and play a role in limiting the damper 5, so that the damper 5 is prevented from moving relatively under the action of the damping push rod 4.

Example 8

With reference to fig. 3, compared with the technical solution of embodiment 1, the damping hinge of this embodiment can be improved as follows: and one end of the door locking connecting rod 1 close to the shell 2 is provided with a limiting buckle 16 for limiting during installation. The door locking connecting rod 1 is installed on a door body to be installed, and the limiting buckle 16 props against the door body, so that the limiting during the installation of the door body is realized.

Example 9

Compared with the technical scheme of the embodiment 1, the damping hinge of the embodiment can be improved as follows: the elastic piece 6 is a spring, and is simple in structure and low in cost.

Example 10

With reference to fig. 3, compared with the technical solution of embodiment 1, the damping hinge of this embodiment can be improved as follows: the door locking connecting rod 1 is provided with a rotating shaft 17, and the door locking connecting rod 1 is hinged to the shell 2 through the rotating shaft 17.

In practical application, the rotating shaft 17 is sleeved with a rotating shaft sleeve 18, and the arrangement can ensure the stability of the rotating connection of the door locking connecting rod 1 and the shell 2.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. A damped hinge, comprising:

a door-locking connecting rod;

the shell is hinged with one end of the door locking connecting rod;

the door locking elastic mechanism is movably arranged in the shell;

the elastic piece is arranged in the shell;

2. The damped hinge according to claim 1, further comprising a door locking wheel and a positioning shaft, wherein the door locking wheel is movably disposed on the door locking elastic mechanism through the positioning shaft.

3. The damping hinge according to claim 2, wherein the door-locking elastic mechanism comprises a door-locking bracket, a spring and a spring guide shaft, the door-locking wheel is slidably disposed on the door-locking bracket, one end of the door-locking bracket is rotatably connected to the door-locking connecting rod, the other end of the door-locking bracket is connected to the damping push rod, the spring is sleeved on the spring guide shaft, and the spring guide shaft is disposed on the door-locking bracket.

4. The damped hinge according to claim 3, wherein the door locking bracket is provided with a sliding groove, the positioning shaft is arranged in the sliding groove, and the door locking wheel is clamped in the sliding groove through the positioning shaft.

5. The damped hinge according to any one of claims 1 to 4, wherein a limit protrusion is provided at an end of the door-locking link adjacent to the housing, and a limit groove is formed at a surface of the door-locking link opposite to the limit protrusion.

6. The damped hinge according to claim 5 wherein the limit slot is an arcuate slot.

7. The damped hinge according to claim 1 further comprising a damping housing coupled to said housing, said damper being disposed within said damping housing.

8. The damped hinge according to claim 1 wherein the end of said door locking link proximate the housing is provided with a limit catch for limiting during installation.

9. The damped hinge according to claim 1 wherein the resilient member is a spring.

10. The damped hinge according to claim 1 wherein the door lock link has a pivot axis, the door lock link being hingedly connected to the housing through the pivot axis.