Anti-pinch hinge for garage door

Abstract

The utility model discloses an anti-pinch hinge for a garage door, and belongs to the technical field of hinges. Comprising a first hinge piece, a first sleeve is arranged in the middle of the side wall of the first hinge piece, a rotating shaft is rotationally connected to the circumferential inner wall of the first sleeve, second sleeves are rotationally connected to the top and the bottom of the circumferential outer wall of the rotating shaft, and second hinge pieces are arranged on one sides of the circumferential outer walls of the second sleeves; an anti-pinch assembly is arranged on the side wall of the first hinge piece, and an anti-rust assembly is arranged at the top of the end cover. The second hinge piece rotates by closing the garage door, the fixing block penetrates through the through hole, resistance is increased conveniently through the first spring and the damper, the rotating speed of the second hinge piece is reduced, enough time is provided for a user to pull out the hand, the situation that rotation is affected by rust of the hinge is avoided through the rust-proof assembly, and noise is avoided through rotation of the ball; the hinge is simple in structural design and operation, hands of a user can be conveniently prevented from being pinched, rotation is prevented from being affected by rusting of the hinge, and noise is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field more specifically, relate to a garage door with anti -pinch hinge. BACKGROUND

[0002] Hinge, also known as hinge, official name is hinge, often constitutes two -folding type, is the component of connecting two parts of object and can make it active, ordinary hinge is used to cabinet door, window, door etc., at present, the traditional hinge installed on the garage door lacks the structure of anti -pinch on the hinge, leading to the hand of the operator being easily damaged by the garage door when the garage door is operated improperly, it is difficult to guarantee the hand safety of the garage operator.

[0003] The prior art patent document with the publication number CN217233165U provides a garage door with anti -pinch hinge, the device process is rotated through the pull ring, the top rod under the mounting hole is rotated, the operator pushes the block at one end of the top rod and rotates out of the inside of the through slot, so that the mounting hole tightens the block, the block blocks the second block, avoids the hand of the operator being damaged by the garage door when the garage door is operated improperly, improves the safety factor of the garage operator, the buzzer is set, and it is convenient to issue the anti -pinch hand signal when opening the anti -pinch function.

[0004] Although the device has many beneficial effects, but still has the following problems: the device in the use process, before opening and closing the garage door, the pull ring needs to be pulled, the operation is tedious, and the user is easily injured if forgotten;Secondly, the hinge is easy to rust in the use process of the device, the buzzer noise is too large, and needs to be improved, in view of this, we propose a garage door with anti -pinch hinge. Utility model content

[0005] 1. Technical problem to be solved

[0006] The utility model aims at providing a garage door with anti -pinch hinge to solve the problems of the prior art, such as the need to pull the pull ring before opening and closing the garage door, tedious operation, easy injury of the user if forgotten, easy rust of the hinge affecting rotation, and too large noise of the buzzer.

[0007] 2. Technical scheme

[0008] The utility model provides a kind of anti-pinch hinge for garage door, including first hinge leaf, first sleeve is equipped in the middle of the side wall of the first hinge leaf, rotatingly connected with the rotating shaft of the circumferential inner wall of the first sleeve, the rotating shaft circumferential outer wall top and bottom are rotatably connected with second sleeve, the circumferential outer wall of the second sleeve is equipped with second hinge leaf on one side, the rotating shaft top and bottom are rotatably connected with end cover, the side wall of the first hinge leaf is equipped with anti-pinch component, the side wall of the fixed plate is equipped with a plurality of dampers, the circumferential outer wall of a plurality of dampers is equipped with the first spring located in the side wall of fixed plate, the side wall of the first hinge leaf is equipped with through hole, the side wall of the second hinge leaf is equipped with fixed block, the top of the end cover is equipped with rustproof component.

[0009] Preferably, the rustproof component includes an oil injection hole opened in the top of the end cover, an accommodating groove is opened in the circumferential inner wall of the oil injection hole, a baffle is slidably connected to the bottom of the accommodating groove, a moving rod is provided on the circumferential outer wall of the baffle, and a second spring is provided on the circumferential outer wall of the moving rod.

[0010] Preferably, the first sleeve top and bottom are equipped with limit ring, the second sleeve top is equipped with limit slot, and the circumferential inner wall of the limit slot is rotatably connected with a plurality of balls.

[0011] Preferably, the cross section of the fixed block is fan-shaped, and the size and position of the fixed block are matched with the size and position of the through hole.

[0012] Preferably, one end of the moving rod penetrating through the circumferential outer wall of the end cover is provided with a handle, and the length of the handle is greater than the diameter of the moving rod.

[0013] Preferably, the inner diameter of the oil injection hole is matched with the diameter of the baffle, and the oil injection hole penetrates through the end cover.

[0014] Preferably, a plurality of mounting holes are opened in the side wall of the first hinge leaf and the side wall of the second hinge leaf, and the inner diameter of one end of the mounting hole is greater than the inner diameter of the other end.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] By sleeving the first sleeve and the second sleeve on the circumferential outer wall of the rotating shaft, the hinge can be easily opened and closed, the first sleeve and the second sleeve are prevented from falling off by the end cover, the second hinge leaf is rotated by closing the garage door, the fixed block penetrates through the through hole and contacts one end of the first spring, the resistance is increased by the first spring and the damper to reduce the rotation speed of the second hinge leaf, enough time is given to the user to pull out the hand to avoid injury;

[0018] Second, by pulling the moving rod moves the baffle, inject lubricating oil to the oil injection hole to avoid the hinge rust affect rotation, through the second spring's resilience drive baffle reset to block the oil injection hole, avoid dust impurities into the cause blockage, through the limiting ring and limiting groove convenient for the position of the first sleeve and the second sleeve, through the ball rotation convenient for avoiding the first sleeve and the second sleeve friction noise; The utility model discloses simple structure design operation, it is convenient for preventing the hand of user to be pinched, avoid the hinge rust affect rotation, avoid producing noise. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2 It is whole part structure split schematic diagram of the utility model;

[0021] Figure 3 It is anti-pinch subassembly part structure schematic diagram of the utility model;

[0022] Figure 4 It is rustproof subassembly part structure section schematic diagram of the utility model;

[0023] Figure 5 It is second sleeve part structure section schematic diagram of the utility model;

[0024] Mark number explanation in drawing: 1, first hinge piece;2, first sleeve;3, pivot;4, second sleeve;5, second hinge piece;6, end cover;7, anti-pinch subassembly;8, rustproof subassembly;9, ball;10, mounting hole;201, limiting ring;401, limiting groove;701, fixed plate;702, damper;703, first spring;704, through hole;705, fixed block;801, oil injection hole;802, accommodating groove;803, baffle;804, moving rod;805, second spring;806, handle. DETAILED DESCRIPTION

[0025] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the utility model to a particular orientation, configuration and operation, therefore cannot be understood as limiting the utility model.

[0026] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0027] In the description of the utility model, it is necessary to explain that, unless there is explicit provision and limitation, the terms "mount", "set", "sleeve / joint", "connection" and the like should be understood broadly, for example, "connection", can be fixed connection, or can be detachable connection, or integrally connected;Can be mechanical connection, or electrical connection;Can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0028] Please refer to Figures 1-5 , the utility model provides a technical scheme:

[0029] A garage door is prevented from being clamped with a hinge, comprising a first hinge piece 1, a first sleeve 2 is welded in the middle of the side wall of the first hinge piece 1, a rotating shaft 3 is rotatably connected to the circumferential inner wall of the first sleeve 2, a second sleeve 4 is rotatably connected to the top and bottom of the circumferential outer wall of the rotating shaft 3, a second hinge piece 5 is welded on one side of the circumferential outer wall of the second sleeve 4, an end cover 6 is rotatably connected to the top and bottom of the rotating shaft 3, an anti-pinch assembly 7 is welded on the side wall of the first hinge piece 1, the anti-pinch assembly 7 comprises a fixed plate 701, a plurality of dampers 702 are fixedly arranged on the side wall of the fixed plate 701, a first spring 703 is sleeved on the circumferential outer wall of the plurality of dampers 702 and located on the side wall of the fixed plate 701, a through hole 704 is formed in the side wall of the first hinge piece 1, a fixed block 705 is fixedly arranged on the side wall of the second hinge piece 5, and an anti-rust assembly 8 is fixedly arranged on the top of the end cover 6.The utility model is convenient for rotating and opening and closing the hinge by sleeving the first sleeve 2 and the second sleeve 4 on the circumferential outer wall of the rotating shaft 3, avoiding the first sleeve 2 and the second sleeve 4 from falling off through the end cover 6, rotating the second hinge piece 5 by closing the garage door, the fixed block 705 passes through the through hole 704 and contacts one end of the first spring 703, and the first spring 703 and the damper 702 are convenient for increasing the resistance and reducing the rotating speed of the second hinge piece 5, so that the user has enough time to withdraw the hand and avoid injury.

[0030] Specifically, the anti-rust assembly 8 comprises an oil injection hole 801 formed in the top of the end cover 6, an accommodating groove 802 is formed in the circumferential inner wall of the oil injection hole 801, a baffle 803 is slidably connected to the bottom of the accommodating groove 802, a moving rod 804 is fixedly arranged on the circumferential outer wall of the baffle 803, and a second spring 805 is sleeved on the circumferential outer wall of the moving rod 804 and located on the circumferential outer wall of the baffle 803.By pulling the moving rod 804 to drive the baffle 803 to move, injecting lubricating oil into the oil injection hole 801 to avoid the hinge from rusting and affecting rotation, the baffle 803 is reset to block the oil injection hole 801 by the rebound force of the second spring 805, and dust and impurities are prevented from entering to cause blockage and affect the rotation of the hinge.

[0031] Further, the first sleeve 2 top and bottom are welded with a limit ring 201, the second sleeve 4 top is provided with a limit groove 401, and a plurality of balls 9 are rotatably connected to the circumferential inner wall of the limit groove 401. Through the limit ring 201 and the limit groove 401, the positions of the first sleeve 2 and the second sleeve 4 are limited, and through the rotation of the balls 9, the noise generated by the friction between the first sleeve 2 and the second sleeve 4 is avoided.

[0032] It is worth noting that the cross section of the fixed block 705 is a sector, and the size and position of the fixed block 705 match the size and position of the through hole 704. Through the sector-shaped fixed block 705 matched with the size and position of the through hole 704, the closing of the first hinge piece 1 and the second hinge piece 5 is avoided.

[0033] It is worth noting that the moving rod 804 is provided with a handle 806 at one end penetrating the circumferential outer wall of the end cover 6, and the length of the handle 806 is greater than the diameter of the moving rod 804. Through the handle 806 with a length greater than the diameter of the moving rod 804, it is convenient for workers to use, and the moving rod 804 is avoided from falling off.

[0034] In addition, the inner diameter of the oil injection hole 801 matches the diameter of the baffle 803, and the oil injection hole 801 penetrates the end cover 6. Through the oil injection hole 801 matched with the diameter of the baffle 803, the sealing performance is improved.

[0035] Further, a plurality of mounting holes 10 are provided in the side walls of the first hinge piece 1 and the second hinge piece 5, and the inner diameter of one end of the mounting hole 10 is greater than that of the other end. Through the mounting hole 10 with the inner diameter of one end greater than that of the other end, the protrusion of the screw affecting the closing of the first hinge piece 1 and the second hinge piece 5 is avoided.

[0036] Working principle: when the device is needed to prevent the garage door from being clamped, the first sleeve 2 and the second sleeve 4 are sleeved on the circumferential outer wall of the rotating shaft 3, the end cover 6 is conveniently installed at both ends of the rotating shaft 3, the first hinge piece 1 is installed on the side wall of the garage door frame through the screw screwed into the mounting hole 10, the second hinge piece 5 is installed on the side wall of the garage door, the garage door is closed to make the second hinge piece 5 rotate, the fixed block 705 penetrates the through hole 704 to contact one end of the first spring 703, the rotating speed of the second hinge piece 5 is reduced through the first spring 703 and the damper 702 to increase the resistance, the user pulls the handle 806 to make the moving rod 804 drive the baffle 803 to move, and the baffle 803 is injected with lubricating oil through the oil injection hole 801, the handle 806 is loosened, and the baffle 803 is reset to block the oil injection hole 801 by the rebound force of the second spring 805.

[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A pinch-proof hinge for a garage door, comprising a first hinge leaf (1), characterized in that: The first hinge piece (1) side wall is provided with a first sleeve (2), the first sleeve (2) circumferential inner wall is rotatably connected with a rotating shaft (3), the rotating shaft (3) circumferential outer wall top and bottom are rotatably connected with a second sleeve (4), the second sleeve (4) circumferential outer wall one side is provided with a second hinge piece (5), the rotating shaft (3) top and bottom are rotatably connected with an end cover (6), the first hinge piece (1) side wall is provided with an anti-pinch assembly (7), the anti-pinch assembly (7) includes a fixed plate (701), the fixed plate (701) side wall is provided with a plurality of dampers (702), a plurality of the damper (702) circumferential outer wall is provided with a first spring (703) located in the fixed plate (701) side wall, the first hinge piece (1) side wall is provided with a through hole (704), the second hinge piece (5) side wall is provided with a fixed block (705), the end cover (6) top is provided with an anti-rust assembly (8).

2. The pinch-resistant hinge for a garage door according to claim 1, characterized in that: The anti-rust assembly (8) includes an oil injection hole (801) opened in the top of the end cover (6), the oil injection hole (801) circumferential inner wall is provided with a containing groove (802), the containing groove (802) bottom is slidably connected with a baffle (803), the baffle (803) circumferential outer wall is provided with a moving rod (804), the moving rod (804) circumferential outer wall is provided with a second spring (805) located in the baffle (803) circumferential outer wall.

3. The pinch-resistant hinge for a garage door according to claim 2, characterized in that: The first sleeve (2) top and bottom are provided with a limiting ring (201), the second sleeve (4) top is provided with a limiting groove (401), the limiting groove (401) circumferential inner wall is rotatably connected with a plurality of rolling balls (9).

4. The pinch-resistant hinge for a garage door according to claim 3, characterized in that: The cross section of the fixed block (705) is fan-shaped, and the size and position of the fixed block (705) are matched with the size and position of the through hole (704).

5. A pinch-resistant hinge for a garage door as defined in claim 4, characterized in that: One end of the moving rod (804) penetrating the end cover (6) circumferential outer wall is provided with a handle (806), and the length of the handle (806) is greater than the diameter of the moving rod (804).

6. A pinch-resistant hinge for a garage door according to claim 5, characterized in that: The inner diameter of the oil injection hole (801) is matched with the diameter of the baffle (803), and the oil injection hole (801) penetrates the end cover (6).

7. A pinch-resistant hinge for a garage door according to claim 6, characterized in that: The first hinge piece (1) side wall and the second hinge piece (5) side wall are provided with a plurality of mounting holes (10), and the inner diameter of one end of the mounting hole (10) is greater than that of the other end.

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