TWI861923B - Concealed hinge with positioning - Google Patents

Abstract

The invention discloses a concealed hinge with positioning function, which comprises a rotating mechanism and a positioning mechanism. The rotating mechanism comprises an outer shell and a leaf plate, the outer shell is box-shaped and provided with an inner cavity, the outer shell is used to be embedded in a door frame, the leaf plate is rotatably connected with both sides of the inner cavity, and the leaf plate is used to be connected with a gate leaf; the positioning mechanism comprises a positioning column arranged on the side of the leaf plate, a mounting seat mounted on the side of the inner cavity, and a positioning plate rotatably connected with the mounting seat, the positioning plate comprises a bottom plate part, a swing arm part arranged on the side of the bottom plate part, a distance is reserved between the mounting seat and the bottom surface of the inner cavity, the bottom plate part is arranged between the mounting seat and the bottom surface of the inner cavity, a positioning spring is arranged between the bottom plate part and the mounting seat, the swing arm part is rotatably connected with the side surface of the mounting seat, and a positioning notch is arranged on the swing arm part to be clamped with the positioning column.

Description

Concealed hinge with positioning

The invention relates to door and window hardware accessories, in particular to a concealed hinge with positioning function.

Currently, concealed hinges are becoming more and more common in the market, but they only serve to connect the door leaf and the door frame. After the door leaf is opened, it is in a free state. After the door leaf is opened, a door stop device must be installed to effectively stop the door, which brings inconvenience to users.

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a concealed hinge with positioning, which has a door stop positioning function, so that the door leaf can be parked at a certain angle after opening without adding a door suction for positioning.

The technical solution adopted by the present invention to solve its technical problems is:

A concealed hinge with positioning, comprising

The rotating mechanism comprises an outer shell and a leaf plate, wherein the outer shell is box-shaped and has an inner cavity, the outer shell is used to be embedded in the door frame, the leaf plate is rotatably connected to two sides of the inner cavity, and the leaf plate is used to be connected to the gate leaf;

The positioning mechanism includes positioning posts arranged on both sides of the leaf plate, mounting seats respectively installed on both sides of the inner cavity, and positioning plates respectively connected to the mounting seats for rotation. The positioning plate includes a bottom plate portion and a swing arm portion arranged on the side of the bottom plate portion. A gap is left between the mounting seat and the bottom surface of the inner cavity. The bottom plate portion is arranged between the mounting seat and the bottom surface of the inner cavity. A positioning spring is arranged between the bottom plate portion and the mounting seat. The swing arm portion is connected to the side surface of the mounting seat for rotation. The swing arm portion is provided with a positioning notch that is engaged with the positioning post.

A concealed hinge with positioning according to an embodiment of the present invention has at least the following beneficial effects: when the door leaf is opened, the leaf plate is driven to move outward in a circle from the inner cavity, and the positioning column also moves outward. When it moves to the swing arm, the positioning column slides on its side, causing the swing arm to swing outward, and the bottom plate is lifted upward to compress the positioning spring to store energy. When the positioning column slides to the positioning notch of the swing arm, the positioning notch and the positioning column are engaged and positioned. At this time, the pressure released by the positioning spring is converted through the bottom plate to the inward swing of the swing arm, so that an elastic engaging force is generated between the positioning column and the positioning notch, so that the door leaf can be positioned at an angle. One or more positioning notches can be set on the swing arm according to the door stop angle. Therefore, this concealed hinge has a door stop positioning function, so that the door leaf can be stopped at a certain angle after opening without the need for additional door suction for positioning.

According to some embodiments of the present invention, bosses are provided on both sides of the inner cavity, through holes are provided on the side surfaces of the bosses, an axial hole is provided in the length direction of the leaf plate, and the through hole is connected to the axial hole through an axle rod.

Advantageously, the leaf plate is mounted on the side of the boss through a shaft, which is convenient for installation and disassembly and maintenance.

According to some embodiments of the present invention, the mounting seat is in an inverted L-shape, including a horizontal portion and a vertical portion, the horizontal portion is provided with a first mounting hole, the top surface of the boss is provided with a second mounting hole, and the first mounting hole and the second mounting hole are fixed by bolts.

Advantageously, such an arrangement ensures that the mounting seat is fixedly mounted, so that there is a distance between the mounting seat and the bottom surface of the inner cavity.

According to some embodiments of the present invention, the bottom surface of the vertical portion is provided with a receiving hole for receiving a positioning spring.

Advantageously, the accommodation hole is provided to ensure that the positioning spring is fixed in position and prevent the positioning spring from falling out of the gap between the mounting seat and the bottom surface of the inner cavity.

According to some embodiments of the present invention, the accommodating hole passes through the top surface of the vertical portion and is provided with an adjusting bolt, and the adjusting bolt is used to compress the positioning spring.

It is beneficial that an adjusting bolt is provided to compress the positioning spring so that the positioning spring is kept in a vertical state and the compression height of the positioning spring can be adjusted at the same time.

According to some embodiments of the present invention, a conversion portion is provided on the bottom plate portion on a side opposite to the swing arm portion, the swing arm portion and the conversion portion are both provided with docking holes, the mounting seat is provided with a column hole matching with the two docking holes, and the two docking holes are connected to the column hole by a column nail.

The advantage is that this arrangement ensures that the positioning plate and the mounting seat are installed firmly and rotate smoothly.

According to some embodiments of the present invention, holes are provided on both sides of the leaf plate, one end of the positioning column is installed in the hole, and a sliding sleeve is installed on the other end of the positioning column.

Advantageously, the provision of the sliding sleeve facilitates the sliding of the positioning column to the positioning notch, thereby reducing wear and improving efficiency.

According to some embodiments of the present invention, there are more than two positioning notches on the swing arm portion.

Advantageously, by providing more than two positioning notches, different door stop angles can be set as required.

According to some embodiments of the present invention, the outer shell is provided with mounting parts along both ends, and the mounting parts are provided with third mounting holes that cooperate with the door frame.

Advantageously, the installation portion can be provided so that the housing can be installed on the door frame using screws, which is conducive to installation.

According to some embodiments of the present invention, a plurality of strip holes are provided on a side of the leaf plate away from the outer shell, and the strip holes are used to accommodate bolts and connect with the gate leaf.

Advantageously, the strip holes can be provided to adjust the installation positions of the leaf plates and the gate fans according to the installation conditions.

Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become obvious from the following description, or will be understood through practice of the present invention.

The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

In the description of the present invention, the meaning of "several" is one or more, the meaning of "many" is more than two, the meaning of "greater than", "less than", "exceed", etc. is understood as not including the number itself, and the meaning of "above", "below", "within", etc. is understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technical personnel in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

A concealed hinge with positioning is described in detail below with reference to a specific embodiment shown in Figure 1. It is worth noting that the following description is only an exemplary description, rather than a specific limitation of the invention.

As shown in FIG. 1 to FIG. 3 , a concealed hinge with positioning includes a rotating mechanism and a positioning mechanism.

The rotating mechanism includes an outer shell 100 and a leaf plate 110. The outer shell 100 is box-shaped and has an inner cavity 120. The outer shell 100 is used to be embedded in a door frame. The leaf plate 110 is rotatably connected to both sides of the inner cavity 120. The leaf plate 110 is used to be connected to the gate leaf. The positioning mechanism includes positioning posts 130 arranged on both sides of the leaf plate 110, mounting seats 140 respectively mounted on both sides of the inner cavity 120, and positioning plates 150 respectively rotatably connected to the mounting seats 140. The positioning plate 150 includes a bottom plate portion 160, a swing arm portion 170 arranged on the side of the bottom plate portion 160, a distance is left between the mounting seat 140 and the bottom surface of the inner cavity 120, the bottom plate portion 160 is arranged between the mounting seat 140 and the bottom surface of the inner cavity 120, a positioning spring 180 is provided between the bottom plate portion 160 and the mounting seat 140, the swing arm portion 170 is rotatably connected to the side surface of the mounting seat 140, and a positioning notch 190 is provided on the swing arm portion 170 to be engaged with the positioning column 130.

When the door leaf is opened, as shown in FIG. 3 , the leaf plate 110 is driven to move outward in a circular motion from the inner cavity 120, and the positioning post 130 also moves outward. When the positioning post 130 moves to the swing arm 170, the positioning post 130 slides on its side, causing the swing arm 170 to swing outward, and the bottom plate 160 is lifted upward to compress the positioning spring 180 to store energy. When the positioning post 130 slides to the positioning notch of the swing arm 170, the positioning spring 180 is pressed against the bottom plate 160. 190, the positioning notch 190 and the positioning column 130 are engaged and positioned. At this time, the pressure released by the positioning spring 180 is transferred to the swing arm 170 through the bottom plate 160 to swing inward, so that an elastic engagement force is generated between the positioning column 130 and the positioning notch 190, and the door leaf can be positioned at an angle. One or more positioning notches 190 can be set on the swing arm 170 according to the door stop angle. Therefore, the concealed hinge has a door stop positioning function, so that the door leaf can be parked at a certain angle after opening without adding a door suction for positioning.

Specifically, as shown in FIG. 1 and FIG. 2 , bosses 200 are provided on both sides of the inner cavity 120, through holes 210 are provided on the sides of the bosses 200, and shaft holes 220 are provided in the length direction of the leaf plate 110, and the through holes 210 and the shaft holes 220 are connected through shafts 230. The leaf plate 110 is installed on the sides of the bosses 200 through the shafts 230, which is convenient for installation and disassembly and maintenance.

In addition, the mounting seat 140 is in an inverted L shape, including a horizontal portion 240 and a vertical portion 250. The horizontal portion 240 is provided with a first mounting hole 260, and the top surface of the boss 200 is provided with a second mounting hole 270. The first mounting hole 260 and the second mounting hole 270 are fixed by bolts. This arrangement ensures that the mounting seat 140 is installed and fixed, so that there is a distance between the mounting seat 140 and the bottom surface of the inner cavity 120. It is worth mentioning that the vertical portion 250 is provided with a first side hole 400 on one side close to the outer shell 100, and the outer shell 100 is provided with a second side hole 410 corresponding to the first side hole 400. The first side hole 400 and the second side hole 410 can be connected by screws to play a reinforcing role.

Moreover, the bottom surface of the vertical portion 250 is provided with a receiving hole 280 for receiving the positioning spring 180. The receiving hole 280 is provided to ensure that the position of the positioning spring 180 is fixed, and prevent the positioning spring 180 from falling out from the gap between the mounting seat 140 and the bottom surface of the inner cavity 120.

Furthermore, the accommodating hole 280 passes through the top surface of the vertical straight portion 250 and is provided with an adjusting bolt 300, and the adjusting bolt 300 is used to compress the positioning spring 180. The adjusting bolt 300 is provided to compress the positioning spring 180, so that the positioning spring 180 remains in a vertical state, and the compression height of the positioning spring 180 can be adjusted at the same time.

As shown in FIG. 2 , the bottom plate 160 is provided with a transfer portion 310 on one side opposite to the swing arm 170. The swing arm 170 and the transfer portion 310 are both provided with a docking hole 320. The mounting seat 140 is provided with a column hole 330 that matches the two docking holes 320. The two docking holes 320 and the column hole 330 are connected by a column nail 340. This arrangement ensures that the positioning plate 150 and the mounting seat 140 are installed stably and rotate smoothly.

It should be noted that sleeve holes 350 are provided on both sides of the leaf plate 110, one end of the positioning column 130 is installed in the sleeve hole 350, and the other end of the positioning column 130 is installed with a sliding sleeve 360. The provision of the sliding sleeve 360 is conducive to the positioning column 130 sliding to the positioning notch 190, reducing wear and improving efficiency.

As shown in Fig. 2 and Fig. 3, in some specific embodiments of the present invention, there are more than two positioning notches 190 on the swing arm portion 170. By providing more than two positioning notches 190, different door stop angles can be set as needed.

It is worth mentioning that the outer shell 100 is provided with mounting parts 370 along both ends, and the mounting parts 370 are provided with third mounting holes 380 that cooperate with the door frame. The mounting parts 370 can be provided to mount the outer shell 100 on the door frame using screws, which is conducive to installation.

In addition, a plurality of strip holes 390 are provided on the side of the leaf plate 110 away from the outer shell 100. The strip holes 390 are used to receive bolts and connect the gate. The strip holes 390 can be provided to adjust the installation position of the leaf plate 110 and the gate according to the installation situation.

The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

100: housing 110: leaf plate 120: inner cavity 130: positioning column 140: mounting seat 150: positioning plate 160: bottom plate 170: swing arm 180: positioning spring 190: positioning notch 200: boss 210: through hole 220: shaft hole 230: shaft 240: horizontal part 250: vertical part 260: first mounting hole 270: second mounting hole 280: accommodation hole 300: adjustment bolt 310: adapter 320: docking hole 330: column hole 340: column nail 350: sleeve hole 360: sliding sleeve 370: mounting part 380: Third mounting hole 390: Bar hole 400: First side hole 410: Second side hole

The above and/or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following figures, wherein: [FIG. 1] is a schematic diagram of an embodiment of the present invention. [FIG. 2] is a schematic diagram of a decomposed embodiment of [FIG. 1]. [FIG. 3] is a schematic diagram of a cross section of A-A in [FIG. 1].

100: housing 110: leaf plate 120: inner cavity 130: positioning column 140: mounting seat 170: swing arm 190: positioning notch 200: boss 300: adjustment bolt 360: sleeve 370: mounting part 380: third mounting hole 390: strip hole 410: second side hole

Claims (9)

A concealed hinge with positioning includes: a rotating mechanism, which includes an outer shell and a leaf plate, the outer shell is box-shaped and has an inner cavity, the outer shell is used to be embedded in a door frame, the leaf plate is rotatably connected to the two sides of the inner cavity, the leaf plate is connected to the door leaf at one side away from the outer shell, bosses are provided on the two sides of the inner cavity, through holes are provided on the side surfaces of the bosses, and an axial hole is provided in the length direction of the leaf plate, The through hole is connected to the shaft hole through a shaft; the positioning mechanism includes a positioning column arranged on the side of the leaf plate, a mounting seat installed on the side of the inner cavity, and a positioning plate rotatably connected to the mounting seat, the positioning plate includes a bottom plate portion and a swing arm portion arranged on the side of the bottom plate portion, the mounting seat is spaced from the bottom surface of the inner cavity, and the bottom plate portion is arranged between the mounting seat and the inner cavity. A positioning spring is provided between the bottom surface, the bottom plate and the mounting seat, the swing arm is rotatably connected to the side of the mounting seat, and the swing arm is provided with a positioning notch engaged with the positioning post; wherein, the leaf plate moves outward in a circle from the inner cavity, and the positioning post also moves outward therewith, and when the leaf plate moves to the swing arm, the positioning post slides on the side thereof, so that the swing arm swings outward, The bottom plate is lifted upward to compress the positioning spring to store energy. When the positioning column slides to the positioning notch of the swing arm, the positioning notch and the positioning column are engaged and positioned. At this time, the pressure released by the positioning spring is transferred through the bottom plate to the swing arm to swing inward, so that an elastic engagement force is generated between the positioning column and the positioning notch, and the door leaf can be positioned at an angle. As described in claim 1, the concealed hinge with positioning, wherein the mounting seat is an inverted L-shape, including a horizontal portion and a vertical portion, the horizontal portion is provided with a first mounting hole, the top surface of the boss is provided with a second mounting hole, and the first mounting hole and the second mounting hole are fixed by bolts. As described in claim 2, the concealed hinge with positioning, wherein the bottom surface of the vertical portion is provided with a receiving hole for accommodating a positioning spring. As described in claim 3, the concealed hinge with positioning, wherein the receiving hole passes through the top surface of the vertical portion and is provided with an adjusting bolt, and the adjusting bolt is used to compress the positioning spring. As described in claim 1, the concealed hinge with positioning, wherein the bottom plate is provided with a transfer portion on one side opposite to the swing arm portion, the swing arm portion and the transfer portion are both provided with docking holes, the mounting seat is provided with a column hole matching with the two docking holes, and the two docking holes are connected to the column hole by a column nail. As described in claim 1, the concealed hinge with positioning, wherein the leaf plate is provided with sleeve holes on both sides, one end of the positioning column is installed in the sleeve hole, and the other end of the positioning column is installed with a sliding sleeve. As described in claim 1, the concealed hinge with positioning means has two or more positioning notches on the swing arm. As described in claim 1, the concealed hinge with positioning, wherein the outer shell is provided with mounting parts at both ends, and the mounting parts are provided with third mounting holes that match the door frame. As described in claim 1, the concealed hinge with positioning, wherein the leaf plate is provided with at least one strip hole on the side away from the outer shell, and the strip hole is used to accommodate bolts and gate leaf connections.

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