CN221400190U - Small-angle buffer hinge - Google Patents
Small-angle buffer hinge Download PDFInfo
- Publication number
- CN221400190U CN221400190U CN202323619690.2U CN202323619690U CN221400190U CN 221400190 U CN221400190 U CN 221400190U CN 202323619690 U CN202323619690 U CN 202323619690U CN 221400190 U CN221400190 U CN 221400190U
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- hinge
- buffer
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- positioning
- shaft hole
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 description 5
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
A low angle cushioned hinge, comprising: a hinged cup; the connecting base, the connecting base passes through hinge mechanism with hinge cup is connected, hinge mechanism includes reset structure, second buffer structure, first hinge arm and second hinge arm, second buffer structure is equipped with movable part, the movable part both sides are equipped with first butt piece, the one end of second hinge arm is equipped with the pushing structure, the one end of first hinge arm and second hinge arm with the hinge cup articulates, the other end with the connecting base articulates, and the pushing structure with first butt piece butt, reset structure sets up connect the base with between the second hinge arm. The buffer hinge provided by the utility model has the advantages that the push structure is matched with the second buffer structure, so that the push structure can continuously trigger the second buffer structure in a closed state, buffer force can be obtained even if the buffer hinge is opened at a small angle, and the door plate can be slowly closed, so that the clamping hand of the door plate is effectively avoided.
Description
Technical Field
The utility model relates to the technical field of hinges for furniture, in particular to a two-section force small-angle buffer hinge.
Background
Conventional door hinges currently typically use a single spring or other mechanical device that provides a relatively uniform force to support the movement of the door. Such designs may meet the needs in most cases, but in some applications, conventional designs may not perform well if the door is required to provide a greater sealing force when closed, or if less force is required during initial opening. The two-section door hinge uses two springs with different forces, namely lighter and heavier forces, to provide more flexible door control, and the design allows gradual transition to stronger force when the door approaches to a closing position, but the current two-section door hinge cannot stably transition to complete closing under a small angle state of urging to close quickly, or cannot trigger a two-stage buffer mechanism when opening at a small angle, and in addition, no buffer damping is generated during the opening and closing of the door plate, so that further optimization is needed.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide the excessive small-angle buffer hinge which can be suitable for small-angle opening and still trigger the buffer device and can be quiet, smooth and stable in the complete opening process of the door plate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A low angle cushioned hinge, comprising: a hinged cup; the connecting base, the connecting base passes through hinge mechanism with hinge cup is connected, hinge mechanism includes reset structure, second buffer structure, first hinge arm and second hinge arm, second buffer structure is equipped with movable part, the movable part both sides are equipped with first butt piece, the one end of second hinge arm is equipped with the pushing structure, the one end of first hinge arm and second hinge arm with the hinge cup articulates, the other end with the connecting base articulates, and the pushing structure with first butt piece butt, reset structure sets up connect the base with between the second hinge arm.
Compared with the prior art, the buffer hinge has the advantages that the push structure is matched with the second buffer structure, so that the push structure can continuously trigger the second buffer structure in a closed state, buffer force can be obtained even if the door plate is opened at a small angle, and the door plate can be slowly closed, so that the clamping hand of the door plate is effectively avoided.
Further, the pushing structure comprises a first pushing part and a second pushing part, a containing groove is formed between the first pushing part and the second pushing part, and the first abutting block is arranged in the containing groove.
Further, the first pushing portion comprises a first arc section and a second arc section, the first arc section and the second arc section are in smooth transition, when the first pushing portion is abutted to the first abutting block, the first arc section and the second arc section are abutted to the first abutting block in sequence, when the second pushing portion is abutted to the first abutting block, the second pushing portion continuously applies acting force to the second buffering structure.
Further, the radius of the first arc section is smaller than that of the second arc section, and the second pushing top is of an arc structure.
Further, the pushing structure further comprises a second shaft hole, the first pushing part and the second pushing part are distributed in a triangular mode, and the distance from the second pushing part to the second shaft hole is larger than the distance from the first pushing part to the second shaft hole.
Further, the connecting base comprises a first connecting shell and a connecting seat, a first shaft hole is formed in one end of the first hinge arm, the first connecting shell is covered on the connecting seat, and a third shaft hole and a fourth shaft hole are formed in the front end portion of the first connecting shell; the first shaft hole and the third shaft hole are hinged through a first rotating shaft, and the second shaft hole and the fourth shaft hole are hinged through a second rotating shaft.
Further, the second buffer structure further comprises a mounting seat and a damper, the mounting seat is provided with a mounting groove for mounting the damper, sliding grooves are formed in two sides of the mounting seat, the movable portion is provided with a sliding arm matched with the sliding grooves and a cross arm connected with the sliding arm, and the cross arm is fixedly connected with a connecting rod of the damper.
Further, the mounting seat front end downside is equipped with first location structure, and its rear end upside is equipped with second location structure, be equipped with the location convex closure on the first connection shell, first location structure joint is in the first pivot, the location convex closure joint is in on the second location structure.
Further, the first positioning structure is an arc-shaped clamping groove, the arc-shaped clamping groove is matched with the first rotating shaft, the second positioning structure is a positioning groove, and the positioning convex hull is arranged in the positioning groove.
Further, the connecting seat comprises a second connecting shell, the second connecting shell comprises a first clamping hook arranged at the front end, a guide bolt arranged in the middle of the second connecting shell and a second clamping hook arranged at the rear end of the second connecting shell, a reset device is arranged between the second clamping hook and the second connecting shell, and the reset device is used for unlocking the second connecting shell.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a schematic view of the hinge mechanism of the present utility model in an open state;
FIG. 3 is a schematic view of a mounting base of a second buffer structure of the present utility model;
Fig. 4 is a schematic view of the hinge mechanism of the present utility model in a closed state.
Detailed Description
Referring to fig. 1, a low angle cushion hinge, comprising: the hinge cup 1 and the connecting base 3, wherein the connecting base 3 is connected with the hinge cup 1 through the hinge mechanism 2, the connecting base 3 comprises a first connecting shell 31 and a connecting seat 32, the first connecting shell 31 is covered on the connecting seat 32, a third shaft hole 311 and a fourth shaft hole 312 are formed in the front end part of the first connecting shell 31, and the hinge mechanism 2 comprises a reset structure 21, a second buffer structure 22, a first hinge arm 23 and a second hinge arm 24;
The reset structure 21 is disposed between the connection base 3 and the second hinge arm 24, and applies a continuous acting force to the second hinge arm 24, so that the buffer hinge can automatically close the door, and it should be noted that the reset structure 21 is preferably a torsion spring;
the second buffer structure 22 includes a movable portion 221, an installation seat 222 and a damper 223, an installation groove 2223 for installing the damper 223 is provided on the installation seat 222, sliding grooves 2224 are provided on two sides of the installation seat 222, the movable portion 221 is provided with a sliding arm 2211 adapted to the sliding grooves 2224 and a cross arm 2212 connected to the sliding arm 2211, and the cross arm 2212 is abutted to a connecting rod 2231 of the damper 223. Further, first abutting blocks 2213 are provided on both sides of the movable portion 221; the movable portion 221 increases stability and flexibility of the hinge through the design of the slide arm 2211 and the cross arm 2212, and the arrangement of the first abutment block 2213. The hinge is beneficial to ensuring smoother movement of the hinge in the opening process, reducing friction and vibration and improving the reliability of the hinge.
The first hinge arm 23 has a first shaft hole 231 at one end, the first shaft hole 231 and the third shaft hole 311 are hinged by a first rotation shaft 41, and the other end is connected with the hinge cup 1.
Referring to fig. 2, an ejector structure 5 is provided at one end of the second hinge arm 24, the other end is hinged to the hinge cup 1, the ejector structure 5 includes a first ejector portion 51, a second ejector portion 52, and a second shaft hole 54, the second shaft hole 54 and a fourth shaft hole 312 are hinged through a second rotation shaft 42, a receiving groove 53 is provided between the first ejector portion 51 and the second ejector portion 52, and the first abutting block 2213 is disposed in the receiving groove 53, so that when the hinge is switched between the closed state and the open state, the first ejector portion 51 and the second ejector portion 52 abut against the first abutting block 2213, which can improve the fault tolerance of the hinge, and can maintain normal operation even if there is slight deviation or irregular operation in the use process.
When the hinge is in the open state, the first pushing portion 51 applies a force to the first abutting block 2213, so that the movable portion 221 moves outwards, the damper 223 in the reset structure 21 stretches outwards, when the hinge is in the closed state, the second pushing portion 52 applies a force to the first abutting block 2213 reversely, so that the movable portion 221 moves inwards, the damper 223 of the second buffer structure 22 contracts inwards, and therefore impact and noise of the hinge are relieved, and smoother closing experience is provided. In addition, when the hinge is completely closed, the second pushing portion 52 continuously applies a force to the second buffering structure 22, so that the buffering force generated by the damper 223 can be obtained even if the door is opened at a small angle, the door panel can be slowly closed, and the clamping of the door panel is effectively avoided.
As a preferable solution, the second shaft hole 54, the first pushing portion 51 and the second pushing portion 52 are distributed in a triangular shape, and the distance from the second pushing portion 52 to the second shaft hole 54 is greater than the distance from the first pushing portion 51 to the second shaft hole 54.
Referring to fig. 2 and 4, as a preferred solution, the first pushing portion 51 includes a first arc segment 511 and a second arc segment 512, where the first arc segment 511 and the second arc segment 512 are smooth and excessive, and preferably, a radius of the first arc segment 511 is smaller than that of the second arc segment 512, and the second pushing portion 52 is in a circular arc structure, when the first pushing portion 51 abuts against the first abutting block 2213, the first arc segment 511 and the second arc segment 512 abut against the first abutting block 2213 in sequence, and when the second pushing portion 52 abuts against the first abutting block 2213, the cooperation of the arc segments with different radii and the first abutting block 2213 can provide finer motion adjustment, so that the movable portion 221 is smoother in the lateral movement process, noise is reduced, and service life and performance of the device are improved.
Referring to fig. 3, for better installation and fixing of the second buffer structure 22, a first positioning structure 2221 is disposed at the lower side of the front end of the mounting base 222, a second positioning structure 2222 is disposed at the upper side of the rear end of the mounting base, a positioning convex hull 311 is disposed on the first connection housing 31, the first positioning structure 2221 is clamped on the first rotating shaft 41, and the positioning convex hull 311 is clamped on the second positioning structure 2222. Preferably, the first positioning structure 2221 is an arc-shaped slot 61, the arc-shaped slot 61 is adapted to the first rotating shaft 41, the second positioning structure 2222 is a positioning slot 62, and the positioning convex hull 311 is disposed in the positioning slot 62. When the buffer hinge is in the closed state, the second pushing portion 52 acts on the first abutting block 2213, so that the second buffer mechanism 22 has potential energy of forward movement, and the arc-shaped clamping groove 61 of the mounting seat 222 is matched with the first rotating shaft 41, so that the degree of freedom of forward movement of the second buffer mechanism 22 is limited. Conversely, when the hinge is in the open state, due to the action of the first push top 51 on the first abutment 2213, the second buffer mechanism 22 has potential energy of moving backward, and the positioning groove 62 of the mounting seat 222 and the positioning convex hull 311 on the connecting housing are clamped with each other, so that the degree of freedom of the backward movement of the second buffer mechanism 22 is limited. At the same time, the second buffer structure 22 is fixed on the connection housing by the above-mentioned two positioning structures.
Referring to fig. 1, as a preferred embodiment, the connection base 32 includes a second connection housing 321, the second connection housing 321 includes a first hook 322 disposed at a front end, a guide block 323 disposed at a middle portion thereof, and a second hook 324 disposed at a rear end thereof, and a reset device 325 is disposed between the second hook 324 and the second connection housing 321, and the reset device 325 is used to unlock the second connection housing 321.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (10)
1. A low angle cushioned hinge, comprising:
A hinged cup;
the connecting base is connected with the hinge cup through a hinge mechanism and is characterized in that,
The hinge mechanism comprises a reset structure, a second buffer structure, a first hinge arm and a second hinge arm, wherein the second buffer structure is provided with a movable part, first butt blocks are arranged on two sides of the movable part, one end of the second hinge arm is provided with a push structure, one ends of the first hinge arm and the second hinge arm are hinged to the hinge cup, the other ends of the first hinge arm and the second hinge arm are hinged to the connecting base, the push structure is in butt joint with the first butt blocks, and the reset structure is arranged between the connecting base and the second hinge arm.
2. The low angle buffer hinge of claim 1, wherein the push structure comprises a first push top and a second push top, a receiving slot is provided between the first push top and the second push top, and the first abutment block is disposed in the receiving slot.
3. The low angle buffer hinge of claim 2, wherein the first ejector comprises a first arc segment and a second arc segment, the first arc segment and the second arc segment are smooth and excessive, when the first ejector abuts against the first abutting block, the first arc segment and the second arc segment abut against the first abutting block in sequence, and when the second ejector abuts against the first abutting block, the second ejector continuously applies a force to the second buffer structure.
4. A low angle buffer hinge according to claim 3, wherein the radius of the first arc section is smaller than the radius of the second arc section, and the second push top is of a circular arc structure.
5. The low angle cushion hinge of claim 2, wherein the push structure further comprises a second axle hole, the first push top and the second push top being triangularly distributed, the second push top being spaced from the second axle hole a greater distance than the first push top.
6. The small-angle buffer hinge according to claim 5, wherein the connecting base comprises a first connecting shell and a connecting seat, a first shaft hole is formed in one end of the first hinge arm, the first connecting shell is covered on the connecting seat, and a third shaft hole and a fourth shaft hole are formed in the front end portion of the first connecting shell;
the first shaft hole and the third shaft hole are hinged through a first rotating shaft, and the second shaft hole and the fourth shaft hole are hinged through a second rotating shaft.
7. The small-angle buffer hinge according to claim 6, wherein the second buffer structure further comprises a mounting seat and a damper, the mounting seat is provided with a mounting groove for mounting the damper, two sides of the mounting seat are provided with sliding grooves, the movable part is provided with a sliding arm matched with the sliding grooves and a cross arm connected with the sliding arm, and the cross arm is fixedly connected with a connecting rod of the damper.
8. The low-angle buffer hinge according to claim 7, wherein a first positioning structure is arranged at the lower side of the front end of the mounting seat, a second positioning structure is arranged at the upper side of the rear end of the mounting seat, a positioning convex hull is arranged on the first connecting shell, the first positioning structure is clamped on the first rotating shaft, and the positioning convex hull is clamped on the second positioning structure.
9. The small-angle buffer hinge of claim 8, wherein the first positioning structure is an arc-shaped clamping groove, the arc-shaped clamping groove is matched with the first rotating shaft, the second positioning structure is a positioning groove, and the positioning convex hull is arranged in the positioning groove.
10. The low angle buffer hinge of claim 6, wherein the connection base comprises a second connection housing, the second connection housing comprises a first hook disposed at a front end, a guide latch disposed at a middle portion thereof, and a second hook disposed at a rear end thereof, a reset device is disposed between the second hook and the second connection housing, and the reset device is used for unlocking the second connection housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323619690.2U CN221400190U (en) | 2023-12-28 | 2023-12-28 | Small-angle buffer hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323619690.2U CN221400190U (en) | 2023-12-28 | 2023-12-28 | Small-angle buffer hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221400190U true CN221400190U (en) | 2024-07-23 |
Family
ID=91935047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323619690.2U Active CN221400190U (en) | 2023-12-28 | 2023-12-28 | Small-angle buffer hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221400190U (en) |
-
2023
- 2023-12-28 CN CN202323619690.2U patent/CN221400190U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |