External buffering hardware hinge
By introducing spring buffer and rotation limit structure into the hardware hinge, the problems of low buffer capacity and manual pulling back of the existing hinge are solved, and automatic retraction is achieved and the service life is extended.
Patent Information
- Application Number
- CN202423056286.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing hardware hinges lack buffer devices, have low buffering capacity, and require manual pulling back, and friction buffering reduces the service life.
An external buffering hardware hinge is designed. A spring is installed between the connecting rod and the buffer sleeve for buffering. The rotation angle is limited by the rotating arm and the limit arm. Combined with the combined structure of the slider and the slide groove, automatic retraction is achieved.
The hinge's buffering capacity is improved, automatic retraction is achieved, the service life is extended, and manual operation is reduced.
Smart Images
Figure CN223374887U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of hinges, and in particular relates to an external buffer hardware hinge. Background Art
[0002] A hardware hinge is a mechanical device used to connect two solids and allow them to rotate relative to each other. It is a type of hardware accessory. From the perspective of existing technology, common hardware rotates between two sets of mounting frames, which are installed on both sides of the object to be rotated. Common hinges lack buffer devices, have low buffering capacity, and one side of the mounting frame needs to be manually pulled back. The rare hinges with buffer devices use friction for buffering, which reduces the overall service life. For this reason, we propose an external buffer hardware hinge.
[0003] It should be noted that the above content belongs to the technical cognition category of practical people and does not necessarily constitute prior art. Utility Model Content
[0004] The utility model aims to solve the shortcoming of the existing hinge in the prior art that it needs to be manually pulled back, and proposes an external buffer hardware hinge.
[0005] To achieve the above-mentioned purpose, the utility model proposes an external buffer hardware hinge, comprising a main mounting frame and a side mounting frame, a connecting frame is installed on one side of the main mounting frame, the connecting frame is a concave structure, and fixing rods are symmetrically installed on the outer walls of both sides of the connecting frame, two groups of the fixing rods are fixedly connected to the connecting frame, and a ring is sleeved on the fixing rod, the inner arc surface of the ring is sleeved on the outer side of the fixing rod, and the outer arc surface of the ring is fixedly connected to the connecting rod, one end of the connecting rod is fixedly connected to the ring, and a buffer sleeve is installed on the other end of the connecting rod, the buffer sleeve is a cylindrical hollow structure, the end of the connecting rod away from the connecting frame is placed in the buffer sleeve, and the diameter of the end of the connecting rod placed inside the buffer sleeve is larger than the opening diameter of the buffer sleeve, and the buffer sleeve is slidably connected to the main mounting frame.
[0006] Preferably, a mounting groove is provided in the middle position of the main mounting frame, and two groups of rotating shafts are installed in the mounting groove. The two ends of the two groups of rotating shafts are respectively fixedly connected to the inner walls of the mounting groove. The two groups of rotating shafts are respectively provided with rotating arms and limiting arms. One end of the rotating arm and the limiting arm is rotatably connected to the rotating shaft, and the other end of the rotating arm and the limiting arm is rotatably connected to the connecting frame.
[0007] Preferably, the main mounting frame is placed on both sides of the mounting groove and has two groups of sliding grooves symmetrically provided, a slider is slidably connected in the sliding groove, a rotating groove is provided on the side wall of the sliding groove, two groups of rotating rods are fixedly connected on both sides of the slider, and the two groups of rotating rods are placed in the rotating groove.
[0008] Preferably, one side of the slider is slidably connected in the sliding groove, and the other end of the slider is fixedly connected to an end of the buffer sleeve away from the fixed rod.
[0009] Preferably, a spring is installed inside the buffer sleeve, one end of the spring is fixedly connected to the connecting rod, and the other end of the spring is fixedly connected to the inner wall of the end of the buffer sleeve away from the slider.
[0010] Preferably, a side mounting frame is fixedly connected to the concave side of the connecting frame by bolts, and a mounting hole is provided on the side mounting frame.
[0011] The external buffering hardware hinge proposed by the utility model can bring the following beneficial effects:
[0012] 1. In the utility model, a rotating arm and a limiting arm are provided on the rotating shaft. The rotating arm is used to rotate the mounting frame and the connecting frame, and the limiting arm is used to limit the rotation between the mounting frame and the connecting frame, so that a hinge is formed between the mounting frame and the connecting frame. The connection between the buffer sleeve and the two connecting rods further limits the rotation angle of the connecting frame, and a spring is installed between the connecting rod and the buffer sleeve. The spring is used for buffering, which facilitates the retraction of the connecting frame and improves the buffering capacity.
[0013] 2. In the present invention, the slider is used to slide in the slide groove, which facilitates the movement of the buffer sleeve during the buffering process, and the combination of the rotating rod and the rotating groove is used to enable the slider to rotate with the buffer sleeve during the sliding process. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0015] Figure 1 This is a schematic diagram of the overall structure of an external buffer hardware hinge proposed by the utility model;
[0016] Figure 2 This is a schematic diagram of the overall structure of an external buffer hardware hinge proposed by the present invention from another angle;
[0017] Figure 3 This is a cross-sectional view of the overall structure of an external buffer hardware hinge proposed by the utility model;
[0018] Figure 4 This is a structural diagram of a buffer sleeve in an external buffer hardware hinge proposed by the present invention;
[0019] Figure 5 The utility model is a structural cross-sectional view of a buffer sleeve in an external buffer hardware hinge.
[0020] In the figure: 1. Main mounting frame; 2. Connecting frame; 3. Mounting slot; 4. Side mounting frame; 5. Rotating shaft; 6. Rotating arm; 7. Limiting arm; 8. Slide slot; 9. Rotating slot; 10. Rotating rod; 11. Slider; 12. Buffer sleeve; 13. Connecting rod; 14. Spring; 15. Ring; 16. Fixing rod. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner", "lower", "all around" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.
[0023] like Figure 1-5 As shown, the utility model proposes an external buffer hardware hinge, including a main mounting frame 1 and a side mounting frame 4, a connecting frame 2 is installed on one side of the main mounting frame 1, the connecting frame 2 is a concave structure, and fixed rods 16 are symmetrically installed on the outer walls of both sides of the connecting frame 2, two groups of fixed rods 16 are fixedly connected to the connecting frame 2, and a collar 15 is sleeved on the fixing rod 16, the inner arc surface of the collar 15 is sleeved on the outer side of the fixing rod 16, and a connecting rod 13 is fixedly connected to the outer arc surface of the collar 15, one end of the connecting rod 13 is fixedly connected to the collar 15, and a buffer sleeve 12 is installed on the other end of the connecting rod 13, the buffer sleeve 12 is a cylindrical hollow structure, and the end of the connecting rod 13 away from the connecting frame 2 is placed The buffer sleeve 12 is inside, and the diameter of one end of the connecting rod 13 placed inside the buffer sleeve 12 is larger than the opening diameter of the buffer sleeve 12. The buffer sleeve 12 is slidably connected to the main mounting frame 1, and a rotating arm 6 and a limiting arm 7 are sleeved on the rotating shaft 5. The rotating arm 6 is used to rotate the mounting frame and the connecting frame 2, and the limiting arm 7 is used to limit the rotation between the mounting frame and the connecting frame 2, so that a hinge is formed between the mounting frame and the connecting frame 2. The connection between the buffer sleeve 12 and the two connecting rods 13 further limits the rotation angle of the connecting frame 2, and a spring 14 is installed between the connecting rod 13 and the buffer sleeve 12. The spring 14 is used for buffering, which facilitates the retraction of the connecting frame 2 and improves the buffering capacity.
[0024] Among them, the middle position of the main mounting frame 1 is provided with a mounting groove 3, and two sets of rotating shafts 5 are installed in the mounting groove 3. The two ends of the two sets of rotating shafts 5 are respectively fixedly connected to the inner wall of the mounting groove 3, and the two sets of rotating shafts 5 are respectively provided with a rotating arm 6 and a limiting arm 7. One end of the rotating arm 6 and the limiting arm 7 is rotatably connected to the rotating shaft 5, and the other end of the rotating arm 6 and the limiting arm 7 is rotatably connected to the connecting frame 2. The main mounting frame 1 is placed on both sides of the mounting groove 3 and symmetrically provided with two sets of sliding grooves 8. The sliding grooves 8 are slidably connected with sliders 11. A rotating groove 9 is provided on the side wall of the sliding groove 8. Two sets of rotating rods 10 are respectively fixedly connected on both sides of the slider 11. The two sets of rotating rods 10 are placed in the rotating groove 9. The slider 1 One side of 1 is slidably connected in the slide groove 8, and the other end of the slider 11 is fixedly connected to the end of the buffer sleeve 12 away from the fixed rod 16. A spring 14 is installed inside the buffer sleeve 12, one end of the spring 14 is fixedly connected to the connecting rod 13, and the other end of the spring 14 is fixedly connected to the inner wall of the side of the buffer sleeve 12 away from the slider 11. The concave side of the connecting frame 2 is fixedly connected to the side mounting frame 4 by bolts. The side mounting frame 4 is provided with a mounting hole. The slider 11 is used to slide in the slide groove 8 to facilitate the movement of the buffer sleeve 12 during the buffering process. The combination of the rotating rod 10 and the rotating groove 9 is used to make the slider 11 rotate with the buffer sleeve 12 during the sliding process.
[0025] The working principle of the present invention is as follows: a rotating arm 6 and a limiting arm 7 are sleeved on the rotating shaft 5, the rotating arm 6 is used to rotate the mounting frame and the connecting frame 2, and the limiting arm 7 is used to limit the rotation between the mounting frame and the connecting frame 2, so that a hinge is formed between the mounting frame and the connecting frame 2, and the rotation angle of the connecting frame 2 is further limited by the connection between the buffer sleeve 12 and the two connecting rods 13, and a spring 14 is installed between the connecting rod 13 and the buffer sleeve 12, and the spring 14 is used for buffering to facilitate the retraction of the connecting frame 2 and improve the buffering capacity, and the slider 11 is used to slide in the slide groove 8 to facilitate the movement of the buffer sleeve 12 during the buffering process, and the combination of the rotating rod 10 and the rotating groove 9 is used to allow the slider 11 to rotate with the buffer sleeve 12 during the sliding process.
[0026] Throughout this specification, references to terms such as "one embodiment," "example," and "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
[0027] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. An external buffer hardware hinge, comprising a main mounting frame (1) and a side mounting frame (4), characterized in that: A connecting frame (2) is installed on one side of the main mounting frame (1), the connecting frame (2) is a concave structure, and fixed rods (16) are symmetrically installed on the outer walls of both sides of the connecting frame (2), two groups of fixed rods (16) are fixedly connected to the connecting frame (2), and a collar (15) is sleeved on the fixing rod (16), the inner arc surface of the collar (15) is sleeved on the outer side of the fixing rod (16), and the outer arc surface of the collar (15) is fixedly connected to the connecting rod (13). ), one end of the connecting rod (13) is fixed with a connecting ring (15), and the other end of the connecting rod (13) is installed with a buffer sleeve (12), the buffer sleeve (12) is a cylindrical hollow structure, the end of the connecting rod (13) away from the connecting frame (2) is placed in the buffer sleeve (12), and the diameter of the end of the connecting rod (13) placed inside the buffer sleeve (12) is larger than the opening diameter of the buffer sleeve (12), and the buffer sleeve (12) is slidably connected to the main mounting frame (1).
2. The external buffer hardware hinge according to claim 1, characterized in that: A mounting groove (3) is provided in the middle of the main mounting frame (1), and two groups of rotating shafts (5) are installed in the mounting groove (3). The two ends of the two groups of rotating shafts (5) are respectively fixedly connected to the inner wall of the mounting groove (3). The two groups of rotating shafts (5) are respectively sleeved with a rotating arm (6) and a limiting arm (7). One end of the rotating arm (6) and the limiting arm (7) are rotatably connected to the rotating shaft (5), and the other ends of the rotating arm (6) and the limiting arm (7) are rotatably connected to the connecting frame (2).
3. The external buffer hardware hinge according to claim 1, characterized in that: The main mounting frame (1) is placed on both sides of the mounting groove (3) and symmetrically provided with two groups of sliding grooves (8), wherein a slider (11) is slidably connected in the sliding groove (8), a rotating groove (9) is provided on the side wall of the sliding groove (8), and two groups of rotating rods (10) are fixedly connected on both sides of the slider (11), and the two groups of rotating rods (10) are placed in the rotating groove (9).
4. The external buffer hardware hinge according to claim 3, characterized in that: One side of the slider (11) is slidably connected in the slide groove (8), and the other end of the slider (11) is fixedly connected to an end of the buffer sleeve (12) away from the fixed rod (16).
5. The external buffer hardware hinge according to claim 4, characterized in that: A spring (14) is installed inside the buffer sleeve (12), one end of the spring (14) is fixedly connected to the connecting rod (13), and the other end of the spring (14) is fixedly connected to the inner wall of the end of the buffer sleeve (12) away from the slider (11).
6. The external buffer hardware hinge according to claim 1, characterized in that: A side mounting frame (4) is fixedly connected to one side of the concave surface of the connecting frame (2) via bolts, and a mounting hole is provided on the side mounting frame (4).