Door frame and door leaf connecting structure

Abstract

The utility model relates to the technical field of door frame and door leaf connecting structures, in particular to a door frame and door leaf connecting structure which comprises a middle rod, a right hinge is movably arranged at the center of the surface of the middle rod in a sleeved mode, and bearings are fixedly connected to the top and the bottom of the right hinge and located on the surface of the middle rod. And a left hinge is movably arranged between the top and the bottom of the surface of the middle rod in a sleeving manner. The problems that a hinge is located between a door frame and a door leaf, lubricating oil is inconvenient to smear, the door frame or the door leaf is easily contaminated in the smearing process, cleaning is inconvenient, and the dripping condition can be affected when too much lubricating oil is smeared are solved, the lubricating oil can be naturally discharged for lubrication, external lubricating oil smearing is not needed, and the lubricating oil smearing efficiency is improved. The door frame and the door leaf cannot be contaminated, the manual cleaning time is saved, the dripping situation is reduced by smearing the lubricating oil from the interior, and the efficient lubricating oil smearing effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of door frame and door leaf connection structures, in particular to a door frame and door leaf connection structure. Background Art

[0002] A hinge, also known as a hinge, is a metal or non-metal component, usually consisting of two hinges, used to connect two objects and allow relative rotation between them. Hinges are widely used in furniture, doors, windows and other parts that need to swing open and close.

[0003] Currently, hinges usually need to be manually lubricated regularly to ensure that they can rotate smoothly. However, since the hinges are between the door frame and the door leaf, it is inconvenient to apply lubricating oil. During the application process, it is easy to stain the door frame or door leaf, which is inconvenient to clean. Moreover, applying too much lubricating oil will cause dripping, so its practicality is generally poor.

[0004] In order to solve the above technical problems, we have designed a door frame and door leaf connection structure. Utility Model Content

[0005] The purpose of the utility model is to provide a door frame and door leaf connection structure, which has the advantage of convenient application of lubricating oil, solves the problem that the hinge is between the door frame and the door leaf, it is inconvenient to apply lubricating oil, it is easy to stain the door frame or the door leaf during the application process, which is inconvenient to clean, and too much lubricating oil will cause dripping.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a door frame and door leaf connection structure, including an intermediate rod, a right hinge is movably sleeved at the center of the surface of the intermediate rod, the top and bottom of the right hinge and the surface of the intermediate rod are fixedly connected with bearings, a left hinge is movably sleeved between the top and bottom of the surface of the intermediate rod, the surfaces of the left hinge and the right hinge are penetrated with mounting holes, lubrication holes are evenly opened on the surface of the intermediate rod and above the bearings, a lubrication assembly is penetrated and installed in the inner cavity of the intermediate rod, and the lubrication assembly includes a hollow rod, and the hollow rod is penetrated and arranged in the inner cavity of the intermediate rod.

[0007] Preferably, sealing blocks are fixedly sleeved on the surface of the hollow rod and respectively located above the two bearings, and oil leakage holes are evenly opened around the top of the surface of the sealing block, and the oil leakage holes are connected to the inner cavity of the hollow rod.

[0008] Preferably, a sealing ring is provided at the bottom of the surface of the sealing block around the fixing sleeve, the top of the hollow rod is connected to a threaded column, and a threaded cover is provided on the top threaded sleeve of the surface of the threaded column.

[0009] Preferably, the inner wall of the threaded cover is provided with an internal thread matched with the threaded column, and the outer surface of the threaded cover is surrounded by anti-slip grooves.

[0010] Preferably, the surfaces of the left hinge and the right hinge are in sliding contact with the surface of the middle rod, and the surface of the left hinge is provided with a groove having the same shape as that of the right hinge.

[0011] Preferably, the bottom of the intermediate rod is fixedly connected to a limit stopper, and the movable end of the bearing is fixedly connected to the surface of the left hinge.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model stores lubricating oil in advance through the hollow rod. When lubrication is needed, the threaded column is rotated to drive the hollow rod and the sealing block to move, so that the oil leakage holes on the surface of the hollow rod are aligned with the lubrication holes, so that the lubricating oil can be naturally discharged for lubrication. There is no need to apply lubricant from the outside, and the door frame and door leaf will not be contaminated, which saves time for manual cleaning. Applying lubricating oil from the inside reduces dripping, thereby achieving the effect of efficient lubricating oil application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the exploded three-dimensional structure of the utility model;

[0016] Figure 3 This is a three-dimensional schematic diagram of the intermediate rod and the lubrication assembly of the utility model in an exploded state;

[0017] Figure 4 It is a bottom-up stereoscopic schematic diagram of the intermediate rod and the lubrication assembly of the utility model in an exploded state.

[0018] In the figure: 1. middle rod; 2. right hinge; 3. bearing; 4. lubrication assembly; 41. hollow rod; 42. oil leakage hole; 43. sealing ring; 44. sealing block; 45. threaded column; 46. threaded cover; 5. left hinge; 6. mounting hole; 7. lubrication hole. DETAILED DESCRIPTION

[0019] See also Figure 1-Figure 4A door frame and door leaf connection structure, comprising an intermediate rod 1, a right hinge 2 is movably sleeved at the center of the surface of the intermediate rod 1, a bearing 3 is fixedly connected to the top and bottom of the right hinge 2 and the surface of the intermediate rod 1, a left hinge 5 is movably sleeved between the top and bottom of the surface of the intermediate rod 1, mounting holes 6 are penetrated through the surfaces of the left hinge 5 and the right hinge 2, lubrication holes 7 are uniformly opened on the surface of the intermediate rod 1 and above the bearing 3, a lubrication assembly 4 is penetrated and installed in the inner cavity of the intermediate rod 1, and the lubrication assembly 4 includes a hollow rod 41, and the hollow rod 41 is penetrated and arranged in the inner cavity of the intermediate rod 1;

[0020] See also Figure 3 and Figure 4 The surface of the hollow rod 41 and above the two bearings 3 are fixedly sleeved with sealing blocks 44, and the top of the surface of the sealing block 44 is evenly surrounded by oil leakage holes 42, which are connected to the inner cavity of the hollow rod 41;

[0021] See also Figure 3 and Figure 4 The bottom of the sealing block 44 is provided with a sealing ring 43 around the fixed sleeve, the top of the hollow rod 41 is connected with a threaded column 45, and the top threaded sleeve of the threaded column 45 is provided with a threaded cover 46. By providing the threaded cover 46, it is convenient to add lubricating oil to the inside of the hollow rod 41, and a proper amount of lubricating oil can be added at one time, which can be used multiple times;

[0022] See also Figure 3 and Figure 4 The inner wall of the threaded cover 46 is provided with an internal thread adapted to the threaded column 45, and the outer surface of the threaded cover 46 is surrounded by anti-slip grooves;

[0023] See also Figure 1 and Figure 2 The surfaces of the left hinge 5 and the right hinge 2 are in sliding contact with the surface of the middle rod 1. The surface of the left hinge 5 is provided with a groove of the same shape as the right hinge 2. By providing the groove, the left hinge 5 and the right hinge 2 can be more closely fitted when closed, thereby reducing the gap and improving the sealing effect.

[0024] See also Figure 1 and Figure 2 The bottom of the middle rod 1 is fixedly connected with a limit stopper. By setting the limit stopper, the left hinge 5 can be prevented from falling off the surface of the middle rod 1, which has an effective limiting effect. The movable end of the bearing 3 is fixedly connected to the surface of the left hinge 5. By setting the bearing 3, the rotation between the left hinge 5 and the right hinge 2 can be smoother, reducing friction and thus reducing noise.

[0025] When in use, the hollow rod 41 is then placed inside the middle rod 1, the threaded cover 46 is opened, the lubricating oil is stored in advance inside the hollow rod 41, and the threaded cover 46 is screwed on again. By rotating the threaded column 45, it drives the hollow rod 41 to move downward. At this time, the sealing block 44 and the sealing ring 43 also move to the inner cavity of the middle rod 1. When the sealing block 44 and the sealing ring 43 are located inside the middle rod 1, the oil leakage hole 42 is blocked, so no oil will flow out. This state is normal. When it is necessary to apply lubricating oil, continue to rotate the threaded column 45 to drive the hollow rod 41 to continue to move downward until the oil leakage hole 42 is aligned with the lubrication hole 7. At this time, the lubricating oil inside the hollow rod 41 naturally flows out and drips onto the surface of the bearing 3, thereby achieving an internal lubrication effect without the need for external lubrication.

[0026] To sum up: the connection structure between the door frame and the door leaf, through the cooperation of the intermediate rod 1, the bearing 3, the lubrication assembly 4 and the lubrication hole 7, solves the problem that the hinge is between the door frame and the door leaf, it is inconvenient to apply lubricating oil, it is easy to stain the door frame or the door leaf during the application process, which is inconvenient to clean, and applying too much lubricating oil will cause dripping.

Claims

1. A door frame and door leaf connection structure, comprising an intermediate rod (1), characterized in that: A right hinge (2) is movably sleeved at the center of the surface of the middle rod (1); the top and bottom of the right hinge (2) and the surface of the middle rod (1) are fixedly connected with a bearing (3); a left hinge (5) is movably sleeved between the top and bottom of the surface of the middle rod (1); the surfaces of the left hinge (5) and the right hinge (2) are penetrated with mounting holes (6); lubrication holes (7) are uniformly opened on the surface of the middle rod (1) and above the bearing (3); a lubrication assembly (4) is penetrated and installed in the inner cavity of the middle rod (1); the lubrication assembly (4) comprises a hollow rod (41); the hollow rod (41) is penetrated and arranged in the inner cavity of the middle rod (1).

2. A door frame and door leaf connection structure according to claim 1, characterized in that: A sealing block (44) is fixedly sleeved on the surface of the hollow rod (41) and located above the two bearings (3) respectively. Oil leakage holes (42) are evenly arranged around the top of the surface of the sealing block (44). The oil leakage holes (42) are communicated with the inner cavity of the hollow rod (41).

3. A door frame and door leaf connection structure according to claim 2, characterized in that: A sealing ring (43) is provided at the bottom of the surface of the sealing block (44) surrounding the fixing sleeve, a threaded column (45) is connected to the top of the hollow rod (41), and a threaded cover (46) is provided at the top threaded sleeve of the surface of the threaded column (45).

4. A door frame and door leaf connection structure according to claim 3, characterized in that: The inner wall of the threaded cover (46) is provided with an internal thread that matches the threaded column (45), and the outer surface of the threaded cover (46) is surrounded by anti-slip grooves.

5. The door frame and door leaf connection structure according to claim 1, characterized in that: The surfaces of the left hinge (5) and the right hinge (2) are in sliding contact with the surface of the middle rod (1), and the surface of the left hinge (5) is provided with a groove having the same shape as that of the right hinge (2).

6. The door frame and door leaf connection structure according to claim 1, characterized in that: The bottom of the intermediate rod (1) is fixedly connected to a limit stopper, and the movable end of the bearing (3) is fixedly connected to the surface of the left hinge (5).

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