CN223177342U - Heavy 180-degree inward-opening hinge - Google Patents

Abstract

This utility model discloses a heavy-duty 180-degree inward-opening hinge, comprising a base plate and a support arm. The front underside of the base plate is provided with left and right adjustable pads, and the front end of the base plate is provided with a base plate gasket. A load-bearing support arm is hingedly connected to the left and right adjustable pads via the base plate gasket and the base plate. The support arm head is pressed with a bent surface, which is also provided with a zinc alloy guide column and a zinc alloy seat for vertical adjustment. This hinge has a strong load-bearing capacity, a large opening angle, and is easy to install and debug, making it suitable for heavy-duty doors and windows in industrial and construction applications.

Description

Heavy 180-degree inward-opening hinge

Technical Field

The utility model relates to the field of hinges, in particular to a heavy-duty 180-degree inward-opening hinge.

Background

In fields such as furniture, building door and window, the hinge is as connecting piece and realizes the important subassembly of function of opening and shutting, its performance and structure have key influence to the result of use, traditional hinge has certain limitation in structure and function, in the aspect of opening angle, common hinge opening angle is limited, be difficult to satisfy some specific scenes to the demand that wide angle was opened, for example in the comparatively narrow and small indoor environment in space, door and window can seriously influence the effective utilization of indoor space and personnel's activity convenience if can't realize wide angle internal opening, in the installation, because factors such as deformation in installation error or the use often need to carry out regulation about the hinge.

However, many hinges in the prior art either do not have an adjusting function, or have complicated adjusting structure, inconvenient operation and low adjusting precision, and are difficult to realize accurate installation and use effects, so that research and development of a hinge which is opened inwards by 180 degrees and has a convenient adjusting function and a stable structure has important practical significance.

Disclosure of utility model

The utility model aims to provide a heavy-duty 180-degree inward-opening hinge so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the technical scheme that the heavy 180-degree inward-opening hinge comprises a bottom plate and a bracket arm, wherein an adjusting left cushion block and an adjusting right cushion block are arranged on the bottom surface of the front end of the bottom plate, a bottom plate gasket is arranged on the front end of the bottom plate, a bearing support arm is arranged on the upper part of the bottom plate gasket, the bearing support arm is hinged with the adjusting left cushion block and the adjusting right cushion block through the bottom plate gasket and the bottom plate, a bending plane is pressed on the head of the bracket arm, and a zinc alloy guide column and an up-down adjusting zinc alloy seat are further arranged on the bending plane.

As a further description of the above solution, the head of the supporting arm is provided with a supporting arm positioning column, the lower end of the supporting arm positioning column is hinged with a sliding support arm, the sliding support arm is provided with a middle hole and a tail hole, the middle hole is hinged with a bearing support arm (the tail hole is hinged with a bottom plate bar-shaped sliding groove).

As a further description of the above solution, the bracket arm is hinged to the head of the sliding support arm through a bracket arm positioning column, the sliding support arm is provided with a middle hole and a tail hole, the middle hole is hinged to the bearing support arm, and the tail hole is hinged to the bottom plate bar-shaped sliding groove.

As a further description of the above solution, the middle hole of the bracket arm is hinged with a rotating rod, the side surface of the rotating rod is pressed with a bending surface, and the rotating rod is also hinged with the bearing support arm.

As further description of the scheme, the upper and lower adjusting zinc alloy seat is provided with a fixed machine meter jackscrew, and an inner hexagonal upper and lower adjusting machine meter screw is arranged in a screw hole above the upper and lower adjusting zinc alloy seat.

As further description of the scheme, the tail hole of the bearing support arm is fixedly provided with an inner hexagonal adjusting sealing rivet, the inner hexagonal adjusting sealing rivet is arranged into three steps, and the middle step is of an eccentric design.

As further description of the scheme, the left and right rivets for adjusting the inner hexagon are arranged above the bottom plate, and the left and right rivets for adjusting the inner hexagon penetrate through the bottom plate and are hinged with the left and right cushion blocks for adjusting.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the left-right adjusting structure is arranged at the front part of the bottom plate, after the window is installed, the left-right clearance of the window is adjusted through the left-right rivets adjusted by the inner hexagonal, so that the window is more attractive, the sealing performance is better, the 90-degree bending surface pressed by the bracket arm is provided with the structure for adjusting the zinc alloy seat up and down, and the upper hinge bracket arm is lifted upwards through the screw top of the machine meter screw for adjusting the inner hexagonal in the zinc alloy seat up and down to the zinc alloy guide column, so that the sagging prevention effect is realized.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model in an open 180 degree position;

FIG. 2 is a perspective view of an embodiment of the present utility model in an open 90 degree position;

fig. 3 is an exploded view of the overall structure of an embodiment of the present utility model.

The drawing shows that the machine comprises a rivet with a hexagonal inner diameter, a sliding support arm, a guide column with zinc alloy, a fixed machine top screw, a machine screw with a hexagonal inner diameter, a zinc alloy seat with a hexagonal inner diameter, a support arm positioning column with a hexagonal inner diameter, a rotating rod, a bearing support arm, a sealing rivet with a hexagonal inner diameter, a bottom plate gasket, a bottom plate, a clamping rotary sheet A, a clamping rotary sheet 15, a clamping rotary sheet B, a clamping rotary sheet 16, a clamping rotary sheet B and a sealing rivet with a hexagonal inner diameter, wherein the clamping rotary sheet positioning column 9, the rotating rod, the bearing support arm, the sealing rivet with a hexagonal inner diameter, the bottom plate gasket, the clamping rotary sheet A, the clamping rotary sheet B and the clamping rotary sheet B are respectively arranged.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, this embodiment provides a heavy 180 degrees inward opening hinge, including bottom plate and bracket arm, bottom plate 13 front end bottom is equipped with adjusts left and right cushion 15, be equipped with bottom plate gasket 12 above the bottom plate 13 front end, bottom plate gasket 12 upper portion is equipped with bearing support arm 10, bearing support arm 10 afterbody hole is fixed to be equipped with interior hexagonal and adjusts sealed rivet 11, interior hexagonal adjusts sealed rivet 11 and passes bearing support arm 10, bottom plate gasket 12 and bottom plate 13 and adjust left and right cushion 15 and articulate, bottom plate 13 top is equipped with interior hexagonal and adjusts left and right rivet 17, and interior hexagonal adjusts left and right rivet 17 and passes bottom plate 13 and adjust left and right cushion 15 and articulate, after the window installation is accomplished, can adjust the window clearance about the window through interior hexagonal adjusting left and right rivet 17, make the window more pleasing to the eye, sealing performance is better.

As shown in fig. 1-3, the head of the bracket arm 3 is pressed with a bending plane, a zinc alloy guide column 4 and an up-down adjusting zinc alloy seat 7 are also arranged on the bending plane, a fixed machine meter jackscrew 5 is arranged on the side surface of the up-down adjusting zinc alloy seat 7, an inner hexagonal up-down adjusting machine meter screw 6 is arranged in a screw hole above the up-down adjusting zinc alloy seat 7, the inner hexagonal up-down adjusting zinc alloy seat 7 is fixed in a groove on the side surface of a window sash when the window sash is installed, the inner hexagonal up-down adjusting machine meter screw 6 in a hole of the up-down adjusting zinc alloy seat 7 can be propped against the zinc alloy guide column 4 when the window sags, and the upward lifting of the upper hinge bracket arm 3 can realize the function of preventing the sagging.

As shown in fig. 1-3, a fastening rotary blade a14 is arranged below the front end part of the bottom plate 13, a fastening rotary blade B16 is respectively arranged below the middle end part and the tail end part, the fastening rotary blade a14 and the fastening rotary blade B16 are fixed below the bottom plate through an inner hexagonal rivet 1, and the inner hexagonal rivet 1 is rotated by 90 degrees to be clamped in a window frame notch during installation, so that convenient installation is realized, a sliding strip-shaped groove is arranged at the rear part of the bottom plate 13, and a limited stroke is realized through the strip-shaped groove during opening and closing.

As shown in fig. 1-3, the head of the bracket arm 3 is provided with a bracket arm positioning column 8, the lower end of the bracket arm positioning column 8 is hinged with a sliding support arm 2, the sliding support arm 2 is provided with a middle hole and a tail hole, the middle hole is hinged with a bearing support arm 10, and the tail hole is hinged with a strip-shaped sliding groove of the bottom plate 13.

As shown in fig. 1-3, the middle hole of the bracket arm 3 is hinged with a rotating rod 9, the side surface of the rotating rod 9 is pressed with a bending surface, the strength of the rotating rod 9 is effectively enhanced, and the rotating rod 9 is also hinged with a bearing support arm 10.

As shown in fig. 1 to 3, the hexagon socket head adjusting seal rivet 11 is provided with three steps, the middle step is of eccentric design, and front and rear sealing performance adjustment can be realized through the eccentric part during adjustment rotation.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A heavy-duty 180-degree inward-opening hinge comprises a bottom plate (13) and a bracket arm (3) and is characterized in that an adjusting left cushion block and an adjusting right cushion block (15) are arranged on the bottom surface of the front end of the bottom plate (13), a bottom plate gasket (12) is arranged on the front end of the bottom plate (13), a bearing support arm (10) is arranged on the upper portion of the bottom plate gasket (12), the bearing support arm (10) is hinged with the adjusting left cushion block and the adjusting right cushion block (15) through the bottom plate gasket (12) and the bottom plate (13), a bending plane is pressed on the head of the bracket arm (3), and a zinc alloy guide column (4) and an up-down adjusting zinc alloy seat (7) are further arranged on the bending plane.

2. A heavy-duty 180-degree inward-opening hinge according to claim 1 is characterized in that a buckling rotary sheet A (14) is arranged below the front end part of the bottom plate (13), buckling rotary sheets B (16) are respectively arranged below the middle end part and the tail end part, the buckling rotary sheets A (14) and the buckling rotary sheets B (16) are respectively hinged with an inner hexagonal rivet (1) through the bottom plate (13), and a sliding strip-shaped groove is formed in the rear part of the bottom plate (13).

3. A heavy-duty 180-degree inward-opening hinge according to claim 1 or claim 2, wherein the head of the supporting arm (3) is provided with a supporting arm positioning column (8), the lower end of the supporting arm positioning column (8) is hinged with a sliding support arm (2), the sliding support arm (2) is provided with a middle hole and a tail hole, the middle hole is hinged with a bearing support arm (10), and the tail hole is hinged with a strip-shaped sliding groove of a bottom plate (13).

4. A heavy-duty 180-degree inward-opening hinge according to claim 1, wherein a rotating rod (9) is hinged to a middle hole of the supporting arm (3), a bending surface is pressed on the side surface of the rotating rod (9), and the rotating rod (9) is hinged to a bearing support arm (10).

5. The heavy 180-degree inward-opening hinge according to claim 1, wherein a fixed machine meter jackscrew (5) is arranged on the side surface of the up-down adjusting zinc alloy seat (7), and an inner hexagon up-down adjusting machine meter screw (6) is arranged in a screw hole above the up-down adjusting zinc alloy seat (7).

6. The heavy-duty 180-degree inward-opening hinge according to claim 1, wherein the tail hole of the bearing support arm (10) is fixedly provided with an inner hexagonal adjusting sealing rivet (11), the inner hexagonal adjusting sealing rivet (11) is provided with three steps, and the middle step is of an eccentric design.

7. A heavy-duty 180-degree inward-opening hinge according to claim 1, wherein an inner hexagonal adjusting left and right rivet (17) is arranged above the bottom plate (13), and the inner hexagonal adjusting left and right rivet (17) penetrates through the bottom plate (13) to be hinged with an adjusting left and right cushion block (15).