Damping buffer hinge
By introducing a damping ring and damping rod into the hinge, combined with a lubrication structure, the problems of collision and wear during hinge rotation are solved, achieving the effects of damping buffering and easy disassembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-04-07
AI Technical Summary
Existing hinges lack effective damping during rotation, causing collisions between the door and the door frame, resulting in noise and wear. Furthermore, worn hinges are difficult to disassemble and replace.
A damping buffer hinge was designed. By setting a damping ring and a damping rod in the hinge, the elastic element provides damping buffer. A lubricating oil groove and a sponge ring are set on the hinge post to prolong the lubrication effect. At the same time, a sliding ball is installed on the inner side of the retaining ring to reduce frictional resistance and facilitate disassembly.
It achieves damping and buffering during the rotation of the hinge, avoids collision between the door and the door frame, reduces wear, and extends the service life through the lubrication structure, making it convenient to disassemble and replace the hinge.
Smart Images
Figure CN224093195U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hinge technical field especially damper buffer hinge. BACKGROUND
[0002] Ordinary hinge is the component of connecting two parts of object and can make it active, is mainly applied to door and window etc., traditional hinge is mechanical hinge, does not have the function of buffering, cannot realize slow type door closing effect, and too big force leads to the collision sound of door or door frame, causes the huge impact of door and door frame, can reduce the service life of door, and damper buffer hinge is a kind of mounting piece commonly used on furniture and door etc.
[0003] The existing buffer hinge, when using, the hinge lacks good damping buffer during opening and closing rotation on the hinge post, which can cause a large collision between the door and the door frame during rotation, causing vibration of the hinge and the hinge post, which is not conducive to the stable and safe use of the hinge, and the hinge is not convenient to disassemble and replace after wear.
[0004] Therefore, we provide damper buffer hinge. UTILITY MODEL CONTENTS
[0005] The utility model aims at the above-mentioned technical problem, provides damper buffer hinge, provides damping buffer for hinge during rotation.
[0006] Therefore, the utility model provides damper buffer hinge, including hinge, one end of the hinge is fixed with sleeve, the middle sliding sleeve of sleeve is connected with connecting barrel, the bottom end of connecting barrel is rotatably installed with hinge post, the top end of hinge post is installed with connecting mechanism, the middle of connecting barrel is fixed with spacing ring, the inside of spacing ring is installed with damping mechanism;
[0007] The connecting mechanism includes a stop ring and a sliding bead, the upper and lower ends of the sleeve are fixed with a limit ring, the stop ring is slidingly connected to the ends of the hinge post, a sliding groove is formed in the inner side thereof, and the sliding bead is slidingly installed in the inner side of the sliding groove and slidingly abuts against the outer side of the limit ring.
[0008] The damping mechanism includes a damping ring and a damping rod, a recess is formed in the top end of the spacing ring, the damping ring is fixedly installed at a half position inside the recess, a damping cavity is formed in the inside of the damping ring, an elastic member is slidingly installed in the inside of the damping cavity, guide holes are formed in the two ends of the damping ring, and the damping rod slidingly penetrates the guide holes.
[0009] Preferably, a push plate is fixed to the bottom end of the limiting ring, and the push plate is slidably inserted into the groove and located between the two damping rods.
[0010] Preferably, a lubricating oil groove is formed at the top of the limiting ring and near the top of the hinge post, a sponge ring is installed inside the lubricating oil groove, and the retaining ring is spaced apart at the top of the sponge ring.
[0011] Preferably, nuts are connected to both ends of the hinge post, the retaining ring slides against both ends of the connecting cylinder, and the nuts are fastened against the outside of the retaining ring.
[0012] Preferably, the retaining ring, the spacer ring, and the limiting ring are all annular structures, and a gap is provided between the retaining ring and the limiting ring.
[0013] Preferably, the damping ring is a semi-circular ring structure and is horizontally arranged, the elastic element is a circular ring structure, and the damping rod is an arc-shaped rod structure, with its inner end abutting against the outer end of the elastic element.
[0014] Preferably, the push plate is a rectangular plate structure and is vertically arranged, and the limiting ring and the spacer ring are in sliding contact.
[0015] Compared with the prior art, the present invention provides a damping buffer hinge, which has the following beneficial effects:
[0016] This invention addresses several issues with hinge design. First, by incorporating a damping ring and a damping rod within the groove of the spacer ring, the hinge's rotation on the hinge post is damped and buffered by the damping rod and elastic element, reducing rapid rotation and preventing collisions between the door and frame. Second, by adding a lubricating oil groove and a sponge ring near the top of the hinge post, lubrication between the hinge and the hinge post is prolonged after adding lubricating oil, reducing film wear during hinge rotation. Third, by installing retaining rings at both ends of the hinge post and sliding beads inside the retaining rings, the frictional resistance at both ends of the hinge is reduced, facilitating hinge disassembly and replacement.
[0017] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of the damping buffer hinge proposed in this utility model;
[0019] Figure 2 This is a schematic diagram of the damping mechanism and retaining ring of the damping buffer hinge proposed in this utility model.
[0020] Figure 3 This is a schematic diagram of the hinge portion structure of the damping buffer hinge proposed in this utility model;
[0021] Figure 4 This is a schematic diagram of the damping mechanism of the damping buffer hinge proposed in this utility model.
[0022] In the diagram: 1. Hinge; 2. Sleeve; 3. Limiting ring; 4. Retaining ring; 5. Nut; 6. Hinge post; 7. Spacer ring; 8. Connecting cylinder; 9. Damping ring; 10. Push plate; 11. Damping rod; 12. Groove; 13. Sliding ball; 14. Slide groove; 15. Sponge ring; 16. Lubricating oil groove; 17. Guide hole; 18. Damping cavity; 19. Elastic element. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0025] Example 1: Damped buffer hinge, such as Figures 1-4 As shown, it includes a hinge 1, a sleeve 2 fixed at one end of the hinge 1, a connecting cylinder 8 slidably sleeved in the middle of the sleeve 2, a hinge post 6 rotatably installed at the bottom middle of the connecting cylinder 8, a connecting mechanism installed at the top of the hinge post 6, a spacer ring 7 fixed in the middle of the connecting cylinder 8, and a damping mechanism installed inside the spacer ring 7.
[0026] The damping mechanism includes a damping ring 9 and a damping rod 11. A groove 12 is opened at the top of the spacer ring 7. The damping ring 9 is fixedly installed in half of the groove 12. A damping cavity 18 is opened inside the damping ring 9. An elastic element 19 is slidably installed inside the damping cavity 18. Guide holes 17 are opened at both ends of the damping ring 9. The damping rod 11 slides through the guide holes 17.
[0027] The bottom end of the limiting ring 3 is fixed with a push plate 10, which slides into the groove 12 and is located between the two damping rods 11.
[0028] The damping ring 9 is a semi-circular ring structure and is horizontally positioned. The elastic element 19 is a circular ring structure, and the damping rod 11 is an arc-shaped rod structure, with its inner end abutting against the outer end of the elastic element 19.
[0029] The push plate 10 is a rectangular plate structure and is set vertically, with the limiting ring 3 and the spacer ring 7 in sliding contact.
[0030] In use, by setting a damping ring 9 and a damping rod 11 in the groove 12 of the spacer ring 7, when the hinge 1 rotates on the hinge post 6, the damping rod 11 is pushed by the push plate 10. The damping rod 11 slides through the guide hole 17 and squeezes the elastic element 19, reducing the rotational speed of the damping rod 11, the push plate 10 and the hinge 1, thus damping and buffering the hinge 1. Through the damping buffering of the damping rod 11 and the elastic element 19, the rapid rotation of the hinge 1 on the hinge post 6 is reduced, avoiding collision between the door and the door frame.
[0031] Example 2: Damped buffer hinge, such as Figures 1-4 As shown, it includes a hinge 1, a sleeve 2 fixed at one end of the hinge 1, a connecting cylinder 8 slidably sleeved in the middle of the sleeve 2, a hinge post 6 rotatably installed at the bottom middle of the connecting cylinder 8, a connecting mechanism installed at the top of the hinge post 6, a spacer ring 7 fixed in the middle of the connecting cylinder 8, and a damping mechanism installed inside the spacer ring 7.
[0032] The connecting mechanism includes a retaining ring 4 and a sliding bead 13. Limiting rings 3 are fixed at the upper and lower ends of the sleeve 2. The retaining ring 4 is slidably sleeved on both ends of the hinge post 6. A sliding groove 14 is opened on its inner side. The sliding bead 13 is slidably installed inside the sliding groove 14, and its outer end slides against the outer side of the limiting ring 3.
[0033] A lubricating oil groove 16 is provided at the top of the limiting ring 3 and near the top of the hinge post 6. A sponge ring 15 is installed inside the lubricating oil groove 16, and the retaining ring 4 is spaced at the top of the sponge ring 15.
[0034] Nuts 5 are connected to both ends of the hinge column 6. The retaining ring 4 slides against both ends of the connecting cylinder 8, and the nuts 5 are tightly abutted against the outside of the retaining ring 4.
[0035] The retaining ring 4, the spacer ring 7, and the limiting ring 3 are all circular ring structures, and a gap is provided between the retaining ring 4 and the limiting ring 3.
[0036] In use, by setting a lubricating oil groove 16 and a sponge ring 15 near the top of the hinge post 6, lubricating oil can be added between the hinge 1 and the hinge post 6, which can prolong the lubrication between the hinge 1 and the hinge post 6 and reduce the film wear that occurs during the rotation of the hinge 1.
[0037] By installing retaining rings 4 at both ends of the hinge post 6 and installing sliding beads 13 on the inner side of the retaining rings 4, the frictional resistance at both ends of the hinge 1 can be reduced, and the hinge 1 can be easily disassembled and replaced.
[0038] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A damping buffer hinge, comprising a hinge (1), characterized in that: One end of the hinge (1) is fixed with a sleeve (2), and a connecting cylinder (8) is slidably sleeved in the middle of the sleeve (2). A hinge column (6) is rotatably installed in the middle of the bottom end of the connecting cylinder (8). A connecting mechanism is installed at the top of the hinge column (6). A spacer ring (7) is fixed in the middle of the connecting cylinder (8). A damping mechanism is installed inside the spacer ring (7). The connecting mechanism includes a retaining ring (4) and a sliding bead (13). The upper and lower ends of the sleeve (2) are fixed with limit rings (3). The retaining ring (4) is slidably sleeved on both ends of the hinge post (6). A groove (14) is opened on its inner side. The sliding bead (13) is slidably installed inside the groove (14). Its outer end slides against the outside of the limit ring (3). The damping mechanism includes a damping ring (9) and a damping rod (11). The top end of the spacer ring (7) has a groove (12). The damping ring (9) is fixedly installed in half of the groove (12). The damping ring (9) has a damping cavity (18) inside. An elastic element (19) is slidably installed inside the damping cavity (18). The two ends of the damping ring (9) have guide holes (17). The damping rod (11) slides through the guide holes (17).
2. The damping buffer hinge according to claim 1, characterized in that, The bottom end of the limiting ring (3) is fixed with a push plate (10), which slides into the groove (12) and is located between the two damping rods (11).
3. The damping buffer hinge according to claim 1, characterized in that, A lubricating oil groove (16) is provided at the top of the limiting ring (3) and near the top of the hinge post (6). A sponge ring (15) is installed inside the lubricating oil groove (16), and the retaining ring (4) is spaced at the top of the sponge ring (15).
4. The damping buffer hinge according to claim 1, characterized in that, Nuts (5) are connected to both ends of the hinge post (6), the retaining ring (4) slides against both ends of the connecting cylinder (8), and the nuts (5) are tightly abutted against the outside of the retaining ring (4).
5. The damping buffer hinge according to claim 1, characterized in that, The retaining ring (4), the spacer ring (7) and the limiting ring (3) are all circular ring structures, and a gap is provided between the retaining ring (4) and the limiting ring (3).
6. The damping buffer hinge according to claim 1, characterized in that, The damping ring (9) is a semi-circular ring structure and is horizontally arranged. The elastic element (19) is a circular ring structure. The damping rod (11) is an arc-shaped rod structure, with its inner end abutting against the outer end of the elastic element (19).
7. The damping buffer hinge according to claim 2, characterized in that, The push plate (10) is a rectangular plate structure and is vertically arranged. The limiting ring (3) and the spacer ring (7) are in sliding contact.