Bearing hinge for garage door

Abstract

The bearing hinge for the garage door comprises a first sleeve, the circumferential inner wall of the first sleeve is rotationally connected with a rotating shaft, the circumferential outer wall of the rotating shaft is rotationally connected with a second sleeve, hinge pieces are arranged on one side of the circumferential outer wall of the first sleeve and one side of the circumferential outer wall of the second sleeve, and a splicing assembly is arranged at the bottom of the second sleeve. According to the bearing hinge for the garage door, the first sleeve and the second sleeve are arranged on the circumferential outer wall of the rotating shaft in a sleeving mode, the hinge body can be rotated to be opened and closed conveniently, the first sleeve and the second sleeve are prevented from falling off through the end covers, the tops of the balls abut against the tops of the bearing grooves, and when the hinge body of the garage door is rotated, the hinge body is not prone to falling off. The friction force is conveniently reduced through rolling of the balls, the situation that the first sleeve and the second sleeve are too tight to affect rotation due to overweight of the garage door is avoided, the service life is prolonged, the hinge is prevented from rusting to affect rotation through the anti-rust assembly, and dust and impurities are prevented from entering through the cover plate to cause blockage.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field, concretely is a kind of load-bearing hinge for garage door. BACKGROUND

[0002] Hinge, also known as hinge, official name is hinge, often constitutes two-fold, it is used to connect two solids and allow the relative rotation between two mechanical devices, ordinary hinge is used to cabinet door, window, door etc., at present, the traditional hinge installed on garage door, due to the heavy garage door leads to hinge rotation wear greater, affect use.

[0003] The patent literature with the publication number CN211229935U in the prior art provides: a load-bearing hinge suitable for tunnel protective door, including fixed end structure and movable end structure, can stably bear the heavy load protective door, while ensuring the normal operation of protective door, can effectively avoid hinge shaft pin damage, guarantee the normal use of load-bearing hinge, effectively prolong the service life of protective door, oil transmission is carried out through built-in through-hole structure, automatic lubrication of the moving parts of the load-bearing hinge is completed, the service life of load-bearing hinge is improved, and the long-term use of protective door is guaranteed.

[0004] Although the device has many beneficial effects, there are still the following problems: during the use of the device, the fixed hinge and the movable hinge are in direct contact, the friction is large when rotating, and the load-bearing performance is not high enough;Secondly, dust and impurities are easy to enter the through hole during the use of the device, which causes blockage and affects oil lubrication, and needs to be improved, in view of this, we propose a load-bearing hinge for garage door. UTILITY MODEL CONTENT

[0005] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] 1. Technical problem to be solved:

[0007] In order to solve the problems of the above-mentioned fixed hinge and movable hinge, the friction is large when rotating, the load-bearing performance is not high enough, and the through hole is easy to enter dust and impurities, which causes blockage and affects oil lubrication, the utility model is proposed.

[0008] Therefore, the purpose of the utility model is to provide a load-bearing hinge for garage door, which can reduce the friction when rotating, improve the load-bearing performance, prolong the service life, and avoid the blockage of oil injection hole for convenient lubrication.

[0009] 2. Technical scheme:

[0010] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical scheme:

[0011] A load-bearing hinge for a garage door, comprising a first sleeve, a rotating shaft is rotatably connected to the circumferential inner wall of the first sleeve, a second sleeve is rotatably connected to the circumferential outer wall of the rotating shaft, a hinge leaf is arranged on one side of the circumferential outer wall of the first sleeve and the second sleeve, a splicing assembly is arranged at the bottom of the second sleeve, the splicing assembly comprises a positioning ring, a positioning groove is formed in the top of the circumferential inner wall of the first sleeve, a ring groove is formed in the top of the first sleeve, a ball is rotatably connected to the bottom of the ring groove, a receiving groove is formed in the bottom of the second sleeve, end covers are arranged at the top and the bottom of the rotating shaft, and an anti-rust assembly is arranged on the top of the end cover.

[0012] As a preferred scheme of the load-bearing hinge for a garage door of the present application, the anti-rust assembly comprises an oil injection hole formed in the top of the end cover, a hinged seat is arranged on one side of the top of the end cover, a connecting rod is hinged to the hinged seat, a cover plate is arranged at one end of the bottom of the connecting rod, and a plurality of oil outlet holes are formed in the circumferential outer wall of the rotating shaft.

[0013] As a preferred scheme of the load-bearing hinge for a garage door of the present application, the bottom of the circumferential outer wall of the positioning ring is inclined, the size and position of the positioning ring are matched with the size and position of the positioning groove, and the position of the ring groove is matched with the position of the receiving groove.

[0014] As a preferred scheme of the load-bearing hinge for a garage door of the present application, the bottom of the end cover is provided with a threaded cylinder, and the threaded cylinder is threadedly connected with the circumferential inner wall of the rotating shaft.

[0015] As a preferred scheme of the load-bearing hinge for a garage door of the present application, the size and position of the oil injection hole are matched with the size and position of the cover plate, and the positions of the plurality of oil outlet holes are respectively matched with the positions of the two ends of the first sleeve.

[0016] As a preferred scheme of the load-bearing hinge for a garage door of the present application, a plurality of mounting holes are formed in the side walls of the two hinge leaves, and the inner diameter of one end of the mounting hole is larger than the inner diameter of the other end.

[0017] As a preferred scheme of the load-bearing hinge for a garage door of the present application, grooves are formed in the circumferential inner walls of the first sleeve and the second sleeve, and a needle bearing is clamped in the groove.

[0018] 3. Beneficial effects:

[0019] Compared with the prior art, the present application has the beneficial effects that:

[0020] The load-bearing hinge for the garage door, by sleeving the first sleeve and the second sleeve on the outer wall of the rotating shaft, facilitates the rotation of the hinge, by the end cap avoiding the first sleeve and the second sleeve from falling off, the receiving groove and the ring groove are enclosed, the top of the ball abuts against the top of the receiving groove, when the garage door hinge is rotated, the ball is rolled to facilitate reducing the friction, avoiding the garage door being too heavy to cause the first sleeve and the second sleeve to be too tight to affect the rotation, prolonging the service life.

[0021] The load-bearing hinge for the garage door, by pulling the connecting rod to rotate around the hinge seat, so that the cover plate is separated from the end cap, lubricating oil is injected into the oil injection hole, and the oil overflowed from the oil outlet hole facilitates avoiding the hinge from rusting to affect the rotation, by closing the cover plate to block the oil injection hole, dust and impurities are prevented from entering to cause blockage to affect the rotation of the hinge. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0023] Fig. 1 It is a whole structure schematic diagram of the load-bearing hinge for the garage door of the present application;

[0024] Fig. 2 It is a splice assembly partial structure section schematic diagram of the load-bearing hinge for the garage door of the present application;

[0025] Fig. 3 It is a rust-proof assembly partial structure schematic diagram of the load-bearing hinge for the garage door of the present application.

[0026] Explanation of reference numerals in the drawings: 1, first sleeve; 2, rotating shaft; 3, second sleeve; 4, hinge piece; 5, splice assembly; 6, end cap; 7, rust-proof assembly; 8, mounting hole; 9, needle roller bearing; 601, threaded cylinder; 501, positioning ring; 502, positioning groove; 503, ring groove; 504, ball; 505, receiving groove; 701, oil injection hole; 702, hinge seat; 703, connecting rod; 704, cover plate; 705, oil outlet hole. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0028] The utility model discloses in combination with the schematic diagram carries out the detailed description, in the detailed description of the utility model embodiment, for facilitating the explanation, the sectional view of the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, and it should not limit the range of the utility model protection here. In addition, the three-dimensional spatial dimension of length, width and depth should be contained in actual production.

[0029] The orientation or positional relationship indicated in the term is based on the orientation or positional relationship shown in the drawing, only for facilitating the description of the utility model and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0030] The connection mode in the term should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, and can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0031] The embodiments of the utility model will be further described in detail below in combination with the drawings.

[0032] The utility model provides a kind of overall structure schematic diagram of the bearing butt hinge for garage door one embodiment, comprising:

[0033] Please refer to Figs. 1-3 , a kind of bearing butt hinge for garage door of this embodiment, including first sleeve 1, first sleeve 1 circumferential inner wall is rotatably connected with shaft 2, the circumferential outer wall of shaft 2 is rotatably connected with second sleeve 3, first sleeve 1 and the circumferential outer wall of second sleeve 3 one side are all welded with hinge leaf 4, second sleeve 3 bottom is fixed with splicing assembly 5, splicing assembly 5 includes positioning ring 501, first sleeve 1 circumferential inner wall top is provided with positioning groove 502, first sleeve 1 top is provided with ring groove 503, ring groove 503 bottom is rotatably connected with ball 504, second sleeve 3 bottom is provided with receiving groove 505, the top of end cover 6 is screw-connected with the top and bottom of shaft 2, end cover 6 top is fixed with rustproof assembly 7, by first sleeve 1 and second sleeve 3 are set in the circumferential outer wall of shaft 2, positioning ring 501 is inserted into the inside of positioning groove 502, it is convenient to rotate open and close hinge, by end cover 6 avoids first sleeve 1 and second sleeve 3 fall off, receiving groove 505 and ring groove 503 are enclosed, ball 504 top abuts receiving groove 505 top, when rotating garage door hinge, by the rolling of ball 504, it is convenient to reduce friction, avoid garage door too heavy and cause first sleeve 1 and second sleeve 3 too close and influence rotation, prolong service life.

[0034] It is worth mentioning that in order to prevent the garage door hinge from rusting, specifically, the anti-rust assembly 7 comprises an oil injection hole 701 opened at the top of the end cover 6, and a hinge seat 702 is fixed on one side of the top of the end cover 6, the hinge seat 702 is hinged with a connecting rod 703, the connecting rod 703 is fixed at one end of the bottom of the cover plate 704, and a plurality of oil outlet holes 705 are opened on the circumferential outer wall of the rotating shaft 2. By pulling the connecting rod 703 to rotate around the hinge seat 702, the cover plate 704 is separated from the end cover 6, and the lubricating oil is injected into the oil injection hole 701, which is overflowed from the oil outlet hole 705 to avoid the influence of hinge rust on rotation. By closing the cover plate 704 to block the oil injection hole 801, dust and impurities are prevented from entering to cause blockage and affect the rotation of the hinge.

[0035] Next, in order to facilitate splicing, specifically, the bottom of the positioning ring 501 is inclined, the size and position of the positioning ring 501 match the size and position of the positioning groove 502, and the position of the ring groove 503 matches the position of the receiving groove 505. Through the inclined positioning ring 501 matched with the size and position of the positioning groove 502, it is convenient to better position and splice the first sleeve 1 and the second sleeve 3.

[0036] At the same time, in order to facilitate the installation of the end cover 6, specifically, the end cover 6 is welded with a threaded cylinder 601, and the threaded cylinder 601 is screwed into the circumferential inner wall of the rotating shaft 2, which is convenient for assembling the end cover 6.

[0037] Further, in order to avoid incomplete closure of the oil injection hole 701, specifically, the size and position of the oil injection hole 701 match the size and position of the cover plate 704, and the positions of the plurality of oil outlet holes 705 respectively match the positions of the two ends of the first sleeve 1. Through the cover plate 704 matched with the size and position of the oil injection hole 701, it is convenient to better close the cover plate 704.

[0038] It is worth noting that in order to facilitate the installation of the hinge leaf 4, specifically, the side walls of the two hinge leaves 4 are provided with a plurality of mounting holes 8, one end of which has a larger inner diameter than the other end. Through the mounting hole 8 with the larger inner diameter at one end than the other end, it is convenient to avoid the influence of the protruding screw on the closing of the two hinge leaves 4.

[0039] Finally, in order to avoid affecting the rotation, specifically, the circumferential inner walls of the first sleeve 1 and the second sleeve 3 are provided with grooves, and the grooves are clamped with needle roller bearings 9, which facilitates the smooth rotation of the first sleeve 1 and the second sleeve 3 on the circumferential outer wall of the rotating shaft 2.

[0040] In combination Figs. 1-3 The load-bearing hinge for the garage door of the embodiment is used as follows:

[0041] 1: According to the actual use, the first sleeve 1 and the second sleeve 3 are sleeved on the outer wall of the rotating shaft 2, the positioning ring 501 is inserted into the positioning groove 502, the threaded cylinder 601 is screwed into the inner wall of the rotating shaft 2, two end covers 6 are assembled, the top of the ball 504 abuts against the top of the receiving groove 505, when the garage door hinge is rotated, the ball 504 rolls in the ring groove 503, and the garage door is prevented from being too heavy to cause the first sleeve 1 and the second sleeve 3 to be too tight.

[0042] 2: After long-term use, the cover plate 704 is rotated and separated from the end cover 6 by pulling the connecting rod 703, lubricating oil is injected into the oil injection hole 701, overflows from the oil outlet hole 705, the cover plate 704 is closed to shield the oil injection hole 801 after lubrication is completed.

[0043] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A load-bearing center hinge for a garage door, comprising: The utility model provides a first sleeve (1) is provided with, it is characterized by: first sleeve (1) circumferential inner wall rotatory connection has the pivot (2), the pivot (2) circumferential outer wall rotatory connection has the second sleeve (3), first sleeve (1) with second sleeve (3) circumferential outer wall one side is equipped with the hinge piece (4), second sleeve (3) bottom is equipped with splicing subassembly (5), splicing subassembly (5) includes the positioning ring (501), first sleeve (1) circumferential inner wall top is equipped with the locating groove (502), first sleeve (1) top is equipped with the ring groove (503), the ring groove (503) bottom rotatory connection has the ball (504), second sleeve (3) bottom is equipped with the receiving groove (505), the pivot (2) top and bottom are equipped with end cover (6), end cover (6) top is equipped with rustproof subassembly (7).

2. The load-bearing center hinge for a garage door according to claim 1, wherein The rustproof assembly (7) includes an oil injection hole (701) formed in the top of the end cover (6), one side of the top of the end cover (6) is provided with a hinged seat (702), the hinged seat (702) is hinged with a connecting rod (703), one end of the bottom of the connecting rod (703) is provided with a cover plate (704), a plurality of oil outlet holes (705) are formed in the circumferential outer wall of the pivot (2).

3. A counterbalanced butt hinge for a garage door according to claim 2, wherein, The bottom of the circumferential outer wall of the positioning ring (501) is inclined, the size and position of the positioning ring (501) match the size and position of the locating groove (502), and the position of the ring groove (503) matches the position of the receiving groove (505).

4. A counterbalanced butt hinge for a garage door according to claim 3, wherein, The bottom of the end cover (6) is provided with a threaded cylinder (601), and the threaded cylinder (601) is threadedly connected with the circumferential inner wall of the pivot (2).

5. A counterbalanced butt hinge for a garage door according to claim 4, wherein, The size and position of the oil injection hole (701) match the size and position of the cover plate (704), and the positions of the plurality of oil outlet holes (705) respectively match the positions of the two ends of the first sleeve (1).

6. A counterbalanced butt hinge for a garage door according to claim 5, wherein, The side walls of the two hinge pieces (4) are provided with a plurality of mounting holes (8), and the inner diameter of one end of the mounting hole (8) is larger than that of the other end.

7. A counterbalanced butt hinge for a garage door according to claim 6, wherein, The circumferential inner walls of the first sleeve (1) and the second sleeve (3) are provided with grooves, and the grooves are internally clamped with needle roller bearings (9).

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