Three-dimensional adjustable heavy hinge

Abstract

The utility model belongs to the technical field of hinges, and particularly relates to a three-dimensional adjustable heavy hinge which comprises a door frame hinge base, a door leaf hinge base and bolts, and the door frame hinge base and the door leaf hinge base need to be installed on a corresponding door frame and a corresponding door leaf in advance through the bolts respectively before being used. A shaft block cover is installed on the outer wall of the side, away from the door leaf hinge base, of the door leaf hinge base cover, the shaft block cover is installed between the two protruding lugs, and a bearing is installed in the concave openings of the two protruding lugs of the door frame hinge base cover respectively. A shaft block is arranged in the shaft block cover and is tightly jacked by a spring, and the spring is limited by a pin. The shaft block cover is arranged on the door leaf hinge base cover, and a small shaft rod penetrates through the connecting side face up and down and is tightly jacked by a bolt. The vertical adjusting bolt is arranged in the door leaf hinge base cover and can be adjusted in the vertical direction. The door leaf hinge base cover and the door frame hinge base cover are connected in an up-down penetrating mode through a large shaft rod, and the upper end and the lower end of the large shaft rod are fixedly clamped through a gasket and a clamp spring respectively.

Description

Technical Field

[0001] This utility model belongs to the field of hinge technology, specifically relating to a three-dimensional adjustable heavy-duty hinge. Background Technology

[0002] Heavy-duty hinges are commonly used at garage entrances, subway entrances, and underground passage entrances where flooding and waterlogging are severe, to isolate water and prevent floodwater from seeping into buildings. Special flood-proof doors inside passageways use heavy-duty hinged doors that open to form a waterproof wall during floods, preventing water infiltration.

[0003] Some heavy-duty hinges have the following problems in actual use: After traditional heavy-duty hinges are installed, it is difficult to make precise adjustments to the relative position of the door leaf and the door frame. If there are installation errors or wear and tear of parts due to long-term use, the door leaf and the door frame may not fit tightly, affecting the door's sealing, sound insulation and anti-theft performance, and reducing the safety and reliability of use. Utility Model Content

[0004] The purpose of this utility model is to provide a three-dimensional adjustable heavy-duty hinge, which aims to solve the problem that after the traditional heavy-duty hinge is installed, it is difficult to make precise adjustments to the relative position of the door leaf and the door frame. If there is an installation error or the parts are worn due to long-term use, the door leaf and the door frame may not fit tightly, which will affect the door's sealing, sound insulation and anti-theft performance, and reduce the safety and reliability of use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a three-dimensional adjustable heavy-duty hinge, including a door frame hinge base, a door leaf hinge base, and bolts. Before use, the door frame hinge base and the door leaf hinge base need to be pre-installed on the corresponding door frame and door leaf respectively by bolts. The door frame hinge base installed on the door frame is locked to the door frame hinge base cover by bolts, and the door leaf hinge base installed on the door leaf is locked to the door leaf hinge base cover by bolts.

[0006] Two lugs are symmetrically installed on the side of the door frame hinge base cover away from the door frame hinge base. A shaft block cover is installed on the outer wall of the side of the door leaf hinge base cover away from the door leaf hinge base, and the shaft block cover is installed between the two lugs.

[0007] As a three-dimensional adjustable heavy-duty hinge of this utility model, preferably, two horizontal adjustment bolts are installed on one side of the door frame hinge base with a horizontal thread, and two horizontal adjustment bolts are also installed on one side of the door leaf hinge base with a horizontal thread.

[0008] As a three-dimensional adjustable heavy-duty hinge of this utility model, preferably, a notch is opened on the outer wall of the opposite side of the two lugs, and a circular hole is opened at the center end of the two notches.

[0009] As a three-dimensional adjustable heavy-duty hinge of this utility model, preferably, two bearings are installed inside each of the recesses, and the two bearings are respectively installed on the outer walls of both ends of the main shaft. The two ends of the main shaft pass through a round hole in the recess, and a washer is installed on the end of the main shaft that passes through the round hole. A retaining spring is locked on the outer wall of the washer.

[0010] As a three-dimensional adjustable heavy-duty hinge of this utility model, preferably, one side of the shaft block cover is inserted into the protruding end of the door hinge base cover surface, and a vertical adjustment bolt is installed on the protruding end of the base cover surface.

[0011] As a three-dimensional adjustable heavy-duty hinge of this utility model, preferably, a spring is installed on the inner wall of one side of the rectangular opening of the shaft block cover, one end of the spring is pressed against the upper side of the outer wall of the shaft block, and a through hole is provided on the shaft block, through which the large shaft rod passes and connects to the shaft block.

[0012] As a three-dimensional adjustable heavy-duty hinge of this utility model, preferably, two bolts are also installed on the outer wall of the axle block cover, a set of pins are also installed on the outer wall of the axle block cover on one side of the two bolts, and two small shafts are installed on the axle block cover on the side away from the spring.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The door frame hinge base is pre-installed on the corresponding door frame with bolts, and the door frame hinge base cover is also pre-installed on the corresponding door frame hinge base with bolts. A lateral adjustment bolt is installed inside the door frame hinge base, allowing adjustment in the left-right direction. Similarly, the door leaf hinge base is pre-installed on the corresponding door leaf with bolts, and the door leaf hinge base cover is pre-installed on the door leaf hinge base with bolts. A lateral adjustment bolt is also installed inside the door leaf hinge base, allowing adjustment in the front-back direction within the door leaf hinge base.

[0015] A bearing is installed in the recess of each of the two lugs on the door frame hinge base cover. A shaft block is installed inside the shaft block cover, and the shaft block is held in place by a spring, which is limited by a pin. The shaft block cover is mounted on the door leaf hinge base cover and is connected vertically by a small shaft, which is then secured to the sides by bolts. A vertical adjustment bolt is installed inside the door leaf hinge base cover, allowing for vertical adjustment.

[0016] The door leaf hinge base cover and the door frame hinge base cover are connected by a large shaft, which is inserted vertically. The upper and lower ends of the large shaft are fixed and clamped by washers and snap springs, respectively.

[0017] In this way, when the door leaf is closed using the above structure, the door leaf and the door frame can fit together more tightly. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 A schematic diagram of the docking structure of the door frame hinge base cover and the door leaf hinge base cover provided in the embodiments of this application.

[0020] Figure 2 This is a side view structural diagram of the door frame hinge base cover provided in an embodiment of this application.

[0021] Figure 3 This is a schematic diagram of the door frame hinge base structure provided in an embodiment of this application.

[0022] Figure 4 The diagram shows two bearing structures provided for embodiments of this application.

[0023] Figure 5 This is a schematic diagram of the large shaft structure provided in an embodiment of this application.

[0024] Figure 6 A schematic diagram of the door hinge base cover structure provided in an embodiment of this application.

[0025] Figure 7 This is a schematic diagram of the door hinge base structure provided in an embodiment of this application.

[0026] Figure 8 This is a schematic diagram of the shaft block cover structure provided in an embodiment of this application.

[0027] In the diagram: 1. Door frame hinge base; 2. Door frame hinge base cover; 21. Lug; 22. Recess; 3. Door leaf hinge base; 4. Door leaf hinge base cover; 5. Main shaft; 6. Bearing; 7. Horizontal adjustment bolt; 8. Vertical adjustment bolt; 9. Spring; 10. Shaft block; 11. Shaft block cover; 12. Washer; 13. Snap ring; 14. Pin; 15. Small shaft; 16. Bolt. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-8The present invention provides the following technical solution: a three-dimensional adjustable heavy-duty hinge, including a door frame hinge base 1, a door leaf hinge base 3 and bolts 16. Before use, the door frame hinge base 1 and the door leaf hinge base 3 need to be pre-installed on the corresponding door frame and door leaf respectively by bolts 16. The door frame hinge base 1 installed on the door frame is locked to the door frame hinge base cover 2 by bolts 16. The door leaf hinge base 3 installed on the door leaf is locked to the door leaf hinge base cover 4 by bolts 16.

[0030] Two lugs 21 are symmetrically installed on the side of the door frame hinge base cover 2 away from the door frame hinge base 1. A shaft block cover 11 is installed on the outer wall of the side of the door leaf hinge base cover 4 away from the door leaf hinge base 3. The shaft block cover 11 is installed between the two lugs 21.

[0031] Preferably, two horizontal adjusting bolts 7 are installed on one side of the door frame hinge base 1 with horizontal threads, and two horizontal adjusting bolts 7 are also installed on one side of the door leaf hinge base 3 with horizontal threads.

[0032] Preferably, a notch 22 is provided on the outer wall of the two lugs 21 on opposite sides, and a round hole is provided at the center end of each of the two notches 22.

[0033] Preferably, two bearings 6 are installed inside each recess 22. The two bearings 6 are respectively installed on the outer walls of both ends of the main shaft 5. Both ends of the main shaft 5 pass through a round hole in a recess 22. A washer 12 is installed on the end of the main shaft 5 that passes through the round hole. A retaining ring 13 is locked on the outer wall of the washer 12.

[0034] Preferably, one side of the shaft block cover 11 is inserted into the protruding end of the door hinge base cover 4. A vertical adjusting bolt 8 is installed on the protruding end of the base cover 4. A spring 9 is installed on the inner wall of one side of the rectangular opening of the shaft block cover 11. One end of the spring 9 is pressed against the upper side of the outer wall of one side of the shaft block 10. A through hole is provided on the shaft block 10. A large shaft rod 5 passes through the through hole on the shaft block 10 and connects with the shaft block 10. Two bolts 16 are also installed on the outer wall of the shaft block cover 11. A set of pins 14 is also installed on the outer wall of the shaft block cover 11 on one side of the two bolts 16. Two small shaft rods 15 are installed on the side of the shaft block cover 11 away from the spring 9.

[0035] Working principle: The door frame hinge base 1 is pre-installed on the corresponding door frame using bolts 16. The door frame hinge base cover 2 is installed on the corresponding door frame hinge base 1 using bolts 16. The door frame hinge base 1 has a lateral adjustment bolt 7 installed inside, which can be adjusted in the left and right directions. The door leaf hinge base 3 is installed on the corresponding door leaf using bolts 16. The door leaf hinge base cover 4 is installed on the door leaf hinge base 3 using bolts 16. The door leaf hinge base 3 has a lateral adjustment bolt 7 installed inside, which can be adjusted in the front and back directions inside the door leaf hinge base 3.

[0036] A bearing 6 is installed in the recess 22 of each of the two lugs 21 of the door frame hinge base cover 2. A shaft block 10 is installed inside the shaft block cover 11, and the shaft block 10 is held in place by a spring 9, which is limited by a pin 14. The shaft block cover 11 is mounted on the door leaf hinge base cover 4 and is connected vertically by a small shaft rod 15, which is held in place by bolts 16 on the side. A vertical adjustment bolt 8 is installed inside the door leaf hinge base cover 4, which can be adjusted vertically.

[0037] The door leaf hinge base cover 4 and the door frame hinge base cover 2 are connected by a large shaft 5, which is inserted vertically. The upper and lower ends of the large shaft 5 are fixed and clamped by a washer 12 and a retaining spring 13, respectively.

[0038] In this way, when the door leaf is closed using the above structure, the door leaf and the door frame can fit together more tightly.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A three-dimensional adjustable heavy-duty hinge, comprising a door frame hinge base (1), a door leaf hinge base (3), and bolts (16), characterized in that, Before use, the door frame hinge base (1) and the door leaf hinge base (3) need to be pre-installed on the corresponding door frame and door leaf by bolts (16). The door frame hinge base (1) installed on the door frame is locked to the door frame hinge base cover (2) by bolts (16). The door leaf hinge base (3) installed on the door leaf is locked to the door leaf hinge base cover (4) by bolts (16). The door frame hinge base cover (2) has two lugs (21) symmetrically installed on the side away from the door frame hinge base (1). The door leaf hinge base cover (4) has a shaft block cover (11) installed on the outer wall of the side away from the door leaf hinge base (3). The shaft block cover (11) is installed between the two lugs (21).

2. The three-dimensional adjustable heavy-duty hinge according to claim 1, characterized in that: Two horizontal adjusting bolts (7) are installed on one side of the door frame hinge base (1) with a horizontal thread, and two horizontal adjusting bolts (7) are also installed on one side of the door leaf hinge base (3) with a horizontal thread.

3. The three-dimensional adjustable heavy-duty hinge according to claim 1, characterized in that: Each of the two lugs (21) has a notch (22) on its opposite outer wall, and each of the two notches (22) has a round hole at its center end.

4. A three-dimensional adjustable heavy-duty hinge according to claim 3, characterized in that: Two bearings (6) are installed inside each of the recesses (22). The two bearings (6) are respectively installed on the outer walls of the two ends of the main shaft (5). The two ends of the main shaft (5) pass through the round holes in the recesses (22). A washer (12) is installed on the end of the main shaft (5) that passes through the round hole. A retaining ring (13) is locked on the outer wall of the washer (12).

5. A three-dimensional adjustable heavy-duty hinge according to claim 1, characterized in that: One side of the shaft block cover (11) is inserted into the protruding end of the door hinge base cover (4), and a vertical adjusting bolt (8) is installed on the protruding end of the base cover (4).

6. A three-dimensional adjustable heavy-duty hinge according to claim 1, characterized in that: A spring (9) is installed on the inner wall of the rectangular opening of the shaft block cover (11). One end of the spring (9) is pressed against the outer wall of the shaft block (10). The shaft block (10) has a through hole. The large shaft rod (5) passes through the through hole on the shaft block (10) and connects with the shaft block (10).

7. A three-dimensional adjustable heavy-duty hinge according to claim 1, characterized in that: Two bolts (16) are also installed on the outer wall of the shaft block cover (11). A set of pins (14) are also installed on the outer wall of the shaft block cover (11) on one side of the two bolts (16). Two small shafts (15) are installed on the shaft block cover (11) on the side away from the spring (9).

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