Novel wear-resistant damping hinge

By introducing lubrication, damping and buffering mechanisms into the hinge, the problems of short life and difficulty in lubrication caused by vigorous closing of the hinge are solved, and the wear resistance and lubrication are improved.

CN223151869UActive Publication Date: 2025-07-25DONGYING XINXING SHIP EQUIP MFG
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Patent Information

Application Number
CN202421663831.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-07-25
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

Existing hinges tend to consume life and are inconvenient to add lubricant when they are vigorously closed, resulting in blockage in rotation.

Method used

A new type of damping hinge including a lubricating mechanism, a damping mechanism and a buffering mechanism is designed. Lubricating oil is added through the lubricating mechanism, the damping mechanism controls the damping, and the buffering mechanism buffers strongly, solving the lubricating and wear resistance problems respectively.

Benefits of technology

The buffering and lubrication effect when the door is closed vigorously is achieved, extending the service life of the hinge and avoiding rotational blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hardware parts, and discloses a novel wear-resistant damping hinge which comprises a first hinge body, the top of the right end of the first hinge body is fixedly connected with a first connecting block, the right end of the first connecting block is fixedly connected with a shaft barrel, and the shaft barrel is rotationally connected with a long shaft of a threaded connection shaft. A lubricating mechanism is fixedly connected to the top end of the long shaft of the threaded connecting shaft and used for adding lubricating oil, damping mechanisms are slidably connected to the long shaft of the threaded connecting shaft at equal intervals and used for achieving damping control over the hinge, and a buffering mechanism is fixedly connected to the middle of the long shaft of the threaded connecting shaft and used for buffering the long shaft of the threaded connecting shaft. The buffering mechanism is used for buffering large force borne by the hinge, and the lower middle portion of the right side of the outer portion of the long shaft of the threaded shaft is rotationally connected with the second hinge. According to the utility model, through the buffer mechanism, a part of force can be removed, so that the service life is prolonged, and in addition, the lubricating mechanism can add lubricating oil to lubricate the hinge body.
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Description

Technical Field

[0001] The utility model relates to the technical field of hardware parts, in particular to a new type of wear-resistant damping hinge. Background Art

[0002] The mechanical formal name of the hinge is a hinge. It is a component that can connect two parts of an object and be movable. The materials of the hinge include iron, copper, stainless steel, etc., and it is mainly used in furniture;

[0003] In the existing hinges, the upper and lower parts of the hinge are respectively connected through a threaded connecting shaft, and the connecting part of the connecting shaft and the hinge rotates to realize the opening and closing movement of the door panel;

[0004] In the existing equipment, it is not convenient to deal with the situation of closing the door with great force. When closing the door with great force, a large amount of force is transmitted to one of the hinges, making the rotation amplitude of the hinge too large, which easily consumes the service life of the hinge. In addition, after long-term use, the hinge will have a rotation jamming phenomenon, and it is not convenient to add lubricating oil to the existing equipment. Therefore, a new type of wear-resistant damping hinge is proposed to solve the above problems. Summary of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a new type of wear-resistant damping hinge, aiming to improve the problems of inconveniently dealing with the situation of closing the door with great force and inconveniently adding lubricating oil in the existing technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A new type of wear-resistant damping hinge, including a first hinge, a first connecting block is fixedly connected to the top of the right end of the first hinge, a shaft cylinder is fixedly connected to the right end of the first connecting block, a long threaded connecting shaft is rotatably connected to the shaft cylinder, a lubricating mechanism is fixedly connected to the top of the long threaded connecting shaft, the lubricating mechanism is used for adding lubricating oil, a damping mechanism is slidably connected to the long threaded connecting shaft at equal intervals, the damping mechanism is used for realizing the damping control of the hinge, a buffer mechanism is fixedly connected to the middle of the long threaded connecting shaft, the buffer mechanism is used for buffering the great force received by the hinge, and a second hinge is rotatably connected to the lower middle part of the outer side of the long threaded shaft.

[0008] As a further description of the above technical solution:

[0009] The lubricating mechanism includes an annular groove, an annular groove is opened at the top of the long threaded connecting shaft, a second through hole is opened in the upper middle part of the outer side of the long threaded connecting shaft, one end of the second through hole is connected to the outer side of the annular groove, and an oil cap is slidably connected to the top of the long threaded connecting shaft.

[0010] As a further description of the above technical solution:

[0011] A first connecting block is fixedly connected to the bottom end of the left end of the second hinge, a shaft cylinder is fixedly connected to the left end of the first connecting block, and the long shaft of the threaded connecting shaft is rotatably connected to the inside of each of the plurality of shaft cylinders.

[0012] As a further description of the above technical solution:

[0013] The damping mechanism includes copper gaskets, the top and bottom ends of each of the plurality of shaft cylinders are slidably connected to the copper gaskets, and stainless steel gaskets are slidably connected between every two of the plurality of copper gaskets;

[0014] As a further description of the above technical solution:

[0015] The buffer mechanism includes a chute, a chute is provided in the middle of the long shaft of the threaded connecting shaft, a connecting rod is slidably connected in the chute, a connecting ring is fixedly connected to one end of the connecting rod, a first gear is meshingly connected inside the connecting ring, a connecting shaft is fixedly connected to the middle of the first gear, a second gear is fixedly connected to the bottom of the connecting shaft, the second gear is meshingly connected to a rack, one end of the rack is fixedly connected to one end of a spring, the other end of the spring is fixedly connected to the inside of the long shaft of the threaded connecting shaft, the other end of the rack is slidably connected to the inside of the long shaft of the threaded connecting shaft, and the other end of the connecting rod is fixedly connected to the top end of the left side of the second hinge.

[0016] As a further description of the above technical solution:

[0017] A screw is threadedly connected to the bottom end inside the long shaft of the threaded connecting shaft, and a short shaft of the threaded connecting shaft is fixedly connected to the bottom end of the screw.

[0018] As a further description of the above technical solution:

[0019] First through holes are equidistantly provided on the front side of the first hinge and the second hinge, and washers are fixedly connected to the front sides of the plurality of first through holes.

[0020] The utility model has the following beneficial effects:

[0021] In the utility model, the second hinge is fixedly connected to one end of the connecting rod. When being closed with great force, the second hinge rotates to drive the connecting rod to rotate together. The connecting ring on the connecting rod rotates, and the connecting ring makes the first gear rotate. The first gear drives the connecting shaft and the second gear to rotate at the same frequency, so that the rack moves forward to compress the spring. The spring is compressed and retracts to consume a large amount of force, thereby achieving the buffering effect and solving the problem in the prior art that it is inconvenient to cope with the situation of closing the door with great force.

[0022] In the present utility model, when lubricating oil needs to be added, remove the oil cap at the top of the long shaft of the threaded connection shaft, pour the lubricating oil into the top of the annular groove, and then the annular groove is filled with lubricating oil and flows out from the second through hole to lubricate the rotating parts between the long shaft of the threaded connection shaft and the two shaft cylinders, thereby achieving the lubrication effect and solving the problem of inconvenient addition of lubricating oil in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. is a three-dimensional schematic diagram of a novel wear-resistant damping hinge proposed by the present utility model;

[0024] Figure 2 FIG. is a schematic structural diagram of a left cross-section of a novel wear-resistant damping hinge proposed by the present utility model;

[0025] Figure 3 FIG. is a schematic top view structural diagram of a novel wear-resistant damping hinge proposed by the present utility model;

[0026] Figure 4 FIG. is a schematic structural diagram of the first hinge of a novel wear-resistant damping hinge proposed by the present utility model;

[0027] Figure 5 is Figure 2 an enlarged schematic view of part A;

[0028] Figure 6 is Figure 2 an enlarged schematic view of part B.

[0029] LEGEND DESCRIPTION:

[0030] 1. First hinge; 101. First through hole; 102. Washer; 103. First connecting block; 104. Shaft cylinder; 2. Second hinge; 3. Long shaft of threaded connection shaft; 301. Short shaft of threaded connection shaft; 302. Screw; 4. Copper gasket; 5. Stainless steel gasket; 6. Chute; 601. Connecting rod; 602. Connecting ring; 603. First gear; 604. Connecting shaft; 605. Second gear; 606. Rack; 607. Spring; 7. Oil cap; 701. Annular groove; 702. Second through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] Refer to Figures 1 - 4, an embodiment provided by the present utility model: a new type of wear-resistant damping hinge, including a first hinge 1. A first connecting block 103 is fixedly connected to the top right end of the first hinge 1. A shaft cylinder 104 is fixedly connected to the right end of the first connecting block 103. The shaft cylinder 104 is rotatably connected to a threaded connecting shaft long shaft 3. A lubricating mechanism is fixedly connected to the top end of the threaded connecting shaft long shaft 3. The lubricating mechanism includes an annular groove 701. An annular groove 701 is opened at the top end of the threaded connecting shaft long shaft 3. A second through hole 702 is opened in the middle upper part of the outer side of the threaded connecting shaft long shaft 3. One end of the second through hole 702 is connected to the outer side of the annular groove 701. An oil cap 7 is slidably connected to the top end of the threaded connecting shaft long shaft 3. The lubricating mechanism is used for adding lubricating oil. The right middle lower part of the outside of the threaded connecting shaft long shaft 3 is rotatably connected to a second hinge 2. A first connecting block 103 is fixedly connected to the bottom left end of the second hinge 2. A shaft cylinder 104 is fixedly connected to the left end of the first connecting block 103. The inside of multiple shaft cylinders 104 is rotatably connected to the threaded connecting shaft long shaft 3.

[0033] Refer to Figures 1 - 4 , a damping mechanism is slidably connected to the threaded connecting shaft long shaft 3 at equal intervals. The damping mechanism includes copper gaskets 4. The top and bottom ends of multiple shaft cylinders 104 are slidably connected to the copper gaskets 4. A stainless steel gasket 5 is slidably connected between every two of the multiple copper gaskets 4. The damping mechanism is used to achieve the damping control of the hinge. A buffer mechanism is fixedly connected to the middle of the threaded connecting shaft long shaft 3. The buffer mechanism includes a chute 6. A chute 6 is opened in the middle of the threaded connecting shaft long shaft 3. A connecting rod 601 is slidably connected in the chute 6. One end of the connecting rod 601 is fixedly connected to a connecting ring 602. A first gear 603 is meshingly connected inside the connecting ring 602. A connecting shaft 604 is fixedly connected to the middle of the first gear 603. A second gear 605 is fixedly connected to the bottom of the connecting shaft 604. The second gear 605 is meshingly connected to a rack 606. One end of the rack 606 is fixedly connected to one end of a spring 607. The other end of the spring 607 is fixedly connected to the inside of the threaded connecting shaft long shaft 3. The other end of the rack 606 is slidably connected to the inside of the threaded connecting shaft long shaft 3. The other end of the connecting rod 601 is fixedly connected to the top left side of the second hinge 2. The buffer mechanism is used to buffer the large force received by the hinge. A screw 302 is threadedly connected to the bottom end inside the threaded connecting shaft long shaft 3. A threaded connecting shaft short shaft 301 is fixedly connected to the bottom end of the screw 302. First through holes 101 are opened at equal intervals on the front sides of the first hinge 1 and the second hinge 2. Washers 102 are fixedly connected to the front sides of multiple first through holes 101.

[0034] Working principle: Assemble the copper gasket 4 and the stainless steel gasket 5 in the order of two copper gaskets 4 and one stainless steel gasket 5, with the stainless steel gasket 5 in the middle of the two copper gaskets 4. Place four groups of gaskets into the first hinge 1, the second hinge 2 and the long axis 3 of the threaded connection shaft. Pass the long axis 3 of the threaded connection shaft through the damping hinge body and the four groups of gasket sets, and then pass through the short axis 301 of the threaded connection shaft from the other side and tighten it with a torque wrench. Tighten it according to the specified torque to ensure that the hinge damping can be opened and closed no less than 10,000 times. One end of the second hinge 2 is fixedly connected to the connecting rod 601. When it is forcefully closed, the second hinge 2 rotates, causing the connecting rod 601 to rotate together. The connecting ring 602 on the connecting rod 601 rotates, and the connecting ring 602 causes the first gear 603 to rotate. The first gear 603 drives the connecting shaft 604 and the second gear 605 to rotate at the same frequency, causing the rack 606 to move forward and squeeze the spring 607. The spring 607 is compressed, and the retraction consumes a large amount of force. When lubricating oil needs to be added, remove the oil cap 7 at the top of the long axis 3 of the threaded connection shaft, pour the lubricating oil into the top of the annular groove 701, then the annular groove 701 is filled with lubricating oil, and then it flows out from the second through hole 702 to lubricate the rotating part between the long axis 3 of the threaded connection shaft and the two shaft cylinders 104.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A novel wear-resistant damping hinge, comprising a first hinge (1), characterized in that: At the top right end of the first hinge (1), a first connecting block (103) is fixedly connected. At the right end of the first connecting block (103), a shaft cylinder (104) is fixedly connected. The shaft cylinder (104) is rotatably connected to a long threaded connecting shaft (3). At the top of the long threaded connecting shaft (3), a lubricating mechanism is fixedly connected. The lubricating mechanism is used for adding lubricating oil. On the long threaded connecting shaft (3), a damping mechanism is slidably connected at equal intervals. The damping mechanism is used for realizing the damping control of the hinge. In the middle of the long threaded connecting shaft (3), a buffer mechanism is fixedly connected. The buffer mechanism is used for buffering the large force received by the hinge. At the lower middle part on the outer right side of the long threaded connecting shaft (3), a second hinge (2) is rotatably connected.

2. The novel wear-resistant damping hinge according to claim 1, characterized in that: The lubricating mechanism includes an annular groove (701). An annular groove (701) is opened at the top of the long threaded connecting shaft (3). A second through hole (702) is opened in the upper middle part on the outer side of the long threaded connecting shaft (3). One end of the second through hole (702) is connected to the outer side of the annular groove (701). An oil cap (7) is slidably connected to the top of the long threaded connecting shaft (3).

3. A novel wear-resistant damping hinge according to claim 1, characterized in that: At the bottom left end of the second hinge (2), a first connecting block (103) is fixedly connected. At the left end of the first connecting block (103), a shaft cylinder (104) is fixedly connected. The inside of multiple shaft cylinders (104) is rotatably connected to the long threaded connecting shaft (3).

4. A novel wear-resistant damping hinge according to claim 1, characterized in that: The damping mechanism includes copper gaskets (4). The top and bottom ends of multiple shaft cylinders (104) are slidably connected to copper gaskets (4). Between multiple pairs of copper gaskets (4), a stainless steel gasket (5) is slidably connected.

5. A novel wear-resistant damping hinge according to claim 1, characterized in that: The buffer mechanism includes a chute (6). A chute (6) is opened in the middle of the long threaded connecting shaft (3). A connecting rod (601) is slidably connected in the chute (6). One end of the connecting rod (601) is fixedly connected to a connecting ring (602). Inside the connecting ring (602), a first gear (603) is meshingly connected. In the middle of the first gear (603), a connecting shaft (604) is fixedly connected. At the bottom of the connecting shaft (604), a second gear (605) is fixedly connected. The second gear (605) is meshingly connected to a rack (606). One end of the rack (606) is fixedly connected to one end of a spring (607). The other end of the spring (607) is fixedly connected inside the long threaded connecting shaft (3). The other end of the rack (606) is slidably connected inside the long threaded connecting shaft (3). The other end of the connecting rod (601) is fixedly connected to the top left side of the second hinge (2).

6. A novel wear-resistant damping hinge according to claim 1, characterized in that: At the bottom inner end of the long threaded connecting shaft (3), a screw (302) is threadedly connected. At the bottom end of the screw (302), a short threaded connecting shaft (301) is fixedly connected.

7. A novel wear-resistant damping hinge according to claim 1, characterized in that: On the front side of the first hinge (1) and the second hinge (2), first through holes (101) are opened at equal intervals. Washers (102) are fixedly connected to the front sides of multiple first through holes (101).