阅读说明：本技术 一种门用隐形铰链 (Invisible hinge for door ) 是由 丁欣欣 丁泽成 王文广 周东珊 陈胜民 武鹏 于 2020-04-30 设计创作，主要内容包括：本发明公开了一种门用隐形铰链,包括：铰链件,安装在门套的上下两端,用于连接门套与门扇并实现转动连接的隐形铰链主体；铰链件包括相互连接的铰链固定体和铰链压接体；轴承,隐藏式设置在门扇的顶部和底部,用于实现门扇开合的转动件；轴承的轴承外圈与轴承内圈设置有高度差；固定轴件,用于实现铰链件和轴承与门扇固定连接,且用作门扇与铰链共同转轴的构件；固定轴件穿过铰链压接体和轴承与门扇固定连接,固定轴件与轴承内圈紧配合连接。该门用隐形铰链,通过三个零部件组合即可实现门扇与门框的铰接,将门扇轴与铰链轴设置在同一直线上,精简了门轴处的零件数目,进一步提高铰链式门轴的隐蔽性和精巧性。(The invention discloses an invisible hinge for a door, which comprises: the hinge parts are arranged at the upper end and the lower end of the door pocket and are used for connecting the door pocket and the door leaf and realizing the invisible hinge main body in rotating connection; the hinge part comprises a hinge fixing body and a hinge pressing body which are connected with each other; the bearings are arranged at the top and the bottom of the door leaf in a hidden manner and are used for realizing the rotating parts for opening and closing the door leaf; the bearing outer ring and the bearing inner ring of the bearing are provided with a height difference; the fixed shaft part is used for realizing the fixed connection between the hinge part and the door leaf and is used as a component for rotating the door leaf and the hinge together; the fixed shaft passes through the hinge pressure joint body and the bearing to be fixedly connected with the door leaf, and the fixed shaft is tightly matched and connected with the inner ring of the bearing. According to the invisible hinge for the door, the door leaf can be hinged with the door frame through the combination of the three parts, the door leaf shaft and the hinge shaft are arranged on the same straight line, the number of parts at the door shaft is reduced, and the concealment and the ingenuity of the hinge type door shaft are further improved.)

1. An invisible hinge for a door, comprising:

the hinge piece (1) is arranged at the upper end and the lower end of the door pocket (9) and is used for connecting the door pocket (9) with the door leaf (10) and realizing the invisible hinge main body in rotating connection; the hinge part (1) comprises a hinge fixing body (2) and a hinge pressing body (3) which are connected with each other;

the bearings (4) are arranged at the top and the bottom of the door leaf (10) in a hidden manner and are used for realizing rotating parts for opening and closing the door leaf; a height difference is arranged between a bearing outer ring (41) and a bearing inner ring (42) of the bearing (4);

the fixed shaft part (5) is used for realizing the fixed connection of the hinge part (1) and the bearing (4) with the door leaf and is used as a component of a common rotating shaft of the door leaf and the hinge; the fixed shaft (5) penetrates through the hinge pressure joint body (3) and the bearing (4) to be fixedly connected with the door leaf, and the fixed shaft (5) is tightly matched and connected with the bearing inner ring (42).

2. The invisible hinge for door as claimed in claim 1, wherein: the hinge piece (1) is of an integral structure, and the hinge fixing body (2) and the hinge pressing connection body (3) are connected into a whole through a connecting bridge (6).

3. A door concealed hinge according to claim 1 or 2, wherein: the hinge fixing body (2) is of an arc-shaped plate structure; the hinge pressure joint body (3) is of a cylindrical structure, and a step connecting hole (7) is axially formed in the hinge pressure joint body (3); the circle center of the arc-shaped plate structure of the hinge fixing body (2) is superposed with the axis of the stepped connecting hole (7) of the hinge pressure joint body (3).

4. The invisible hinge for door as claimed in claim 1, wherein: the end face of one end of the bearing outer ring (41) is higher than the end face of the bearing inner ring (42) at the same end, and the end face of the other end of the bearing outer ring (41) is lower than the end face of the bearing inner ring (42) at the same end.

5. The invisible hinge for door as claimed in claim 4, wherein: and one end of the end surface of the bearing outer ring (41) higher than the end surface of the bearing inner ring (42) is in matched abutting joint with the hinge pressure joint body (3).

6. The invisible hinge for door as claimed in claim 1, wherein: the middle section of the fixed shaft (5) is matched with the aperture of the bearing inner ring (42), and the lower section of the fixed shaft (5) is provided with an external thread (8) connected with the door leaf.

7. A concealed hinge for doors according to claim 1, 2, 4, 5 or 6, wherein: the door pocket (9) is an arc-shaped door pocket; arc-shaped surface structures (11) matched with the arc-shaped door pocket are respectively arranged on two sides of the door leaf (10).

8. The invisible hinge for door as claimed in claim 7, wherein: the upper end and the lower end of the door leaf arc-shaped surface structure (11) are respectively provided with an arc-shaped rotating notch (12) used for the door leaf to rotate in a reciprocating mode, and the arc-shaped rotating notches (12) are recessed in the upper end and the lower end of the door leaf (10).

9. The invisible hinge for door as claimed in claim 8, wherein: the door leaf end parts at the upper end and the lower end of the door leaf arc-shaped surface structure (11) are concavely provided with bearing installation seats (13), and the axis of each bearing installation seat (13) is superposed with the axis of the arc-shaped surface structure (11) and is superposed with the door shaft axis (14) of the door leaf.

10. The invisible hinge for door as claimed in claim 9, wherein: and the door leaf (10) and the bearing mounting seat (13) are coaxially provided with a connecting threaded hole (15).

Technical Field

The invention relates to the technical field of interior decoration, in particular to an invisible hinge for a door.

Background

The hinge product of the present market is installed at the side of the door leaf and is opened and closed by rotating the door leaf. Three hinges are usually required to be installed on one door, and the hinges are installed completely, are relatively prominent and are not attractive.

Chinese patent literature (announcement date: 2015, 9, 16 and No. CN 204645922U) discloses a hidden type top-to-bottom hinge for a door leaf, which comprises an upper hinge and a lower hinge, wherein the upper hinge comprises an upper rotating shaft, the lower part of the upper rotating shaft is embedded in the door leaf, and the upper part of the upper rotating shaft extends out of the top of the door leaf and is arranged in a door frame; a needle bearing is arranged between the upper rotating shaft and the door frame; the lower hinge comprises a lower rotating shaft, the upper part of the lower rotating shaft is arranged in the door leaf, and the lower part of the lower rotating shaft extends out of the bottom of the door leaf and extends to the underground base; and a thrust ball bearing is arranged between the lower rotating shaft and the base. The hidden type world hinge of the utility model hides the rotating shaft and the bearing of the upper hinge and the lower hinge in the door leaf and the door frame, thereby not only saving the installation space and reducing the gap, but also effectively avoiding dust foreign matters from falling into the bearing to influence the flexibility of the hinge; meanwhile, the hidden design of the hinge can also make the overall appearance of the door leaf more concise and beautiful.

Although the technical scheme adopts the hidden type world hinge, the hinge is complex in structure, the world hinge has a redundant structure of a door leaf shaft and a door frame shaft, and the number of parts is large, so that the arrangement structure is not easy to simplify.

Disclosure of Invention

The invention aims to solve the problems of redundant structures of a door leaf shaft and a door frame shaft, more parts, complex structure and the like of the existing top-bottom hinge, and provides an invisible hinge for a door.

The invention adopts the technical scheme that the invention achieves the aim that: an invisible hinge for a door, comprising:

the hinge parts are arranged at the upper end and the lower end of the door pocket and are used for connecting the door pocket and the door leaf and realizing the invisible hinge main body in rotating connection; the hinge part comprises a hinge fixing body and a hinge pressing body which are connected with each other;

the bearings are arranged at the top and the bottom of the door leaf in a hidden manner and are used for realizing the rotating parts for opening and closing the door leaf; the bearing outer ring and the bearing inner ring of the bearing are provided with a height difference;

the fixed shaft part is used for realizing the fixed connection between the hinge part and the door leaf and is used as a component for rotating the door leaf and the hinge together; the fixed shaft passes through the hinge pressure joint body and the bearing to be fixedly connected with the door leaf, and the fixed shaft is tightly matched and connected with the inner ring of the bearing.

The invisible hinge for the door is characterized in that a hinge part is completely designed according to the problems of complex structure, influenced appearance and the like of the existing door hinge, the hinge mainly utilizes three parts, namely, the hinge of the door leaf and the door pocket can be realized, the three parts are respectively designed in a hidden manner, the hinge is integrally arranged at the upper end and the lower end of the door pocket and the door leaf, the hinge part adopts a specially-made structure and comprises a hinge fixing body and a hinge pressure connecting body, the hinge fixing body is used for realizing the fixed connection with the upper end of the door pocket, the hinge pressure connecting body is used for being connected with a bearing, meanwhile, the bearing also adopts a specially-made structure, the inner ring and the outer ring of the bearing are arranged in a staggered manner, so that a certain height difference exists between the inner ring and the outer ring of the bearing, when the invisible hinge is used, the bearing is arranged at the upper end and the lower end face of the outer ring of the bearing, which is higher than the, and finally, fixedly connecting the hinge pressure joint body with the bearing outer ring and the door leaf through a special fixed shaft, and simultaneously realizing tight fit connection of the fixed shaft and the bearing inner ring. When in use, the invisible hinge for the door is respectively arranged at the upper end and the lower end of a door pocket and a door leaf, at the moment, because the outer ring of the bearing is matched with the door leaf, the outer ring of the bearing is connected with the hinge pressing connection body, the fixed shaft part is tightly matched and connected with the inner ring of the bearing, after the hinge fixing body is fixed with the door pocket, the door leaf rotates and simultaneously drives the outer ring of the bearing and the hinge pressing connection body to rotate together, because the hinge pressing connection body is fixed with the fixed shaft part, and the fixed shaft part is tightly matched and connected with the inner ring of the bearing, the door leaf can rotate by taking the fixed shaft part as an axis through the inner ring of the bearing in the rotating process of the door leaf, thereby realizing the integral rotation of the door leaf relative to the door pocket, the whole hinge is invisible, realizing the invisible design in a hidden form, realizing the hinge joint of the door leaf and, the coaxial design is realized, so that the door leaf shaft and the hinge shaft are on the same straight line, the installation requirement of the coaxiality is ensured, the number of parts at the door shaft is reduced, and the concealment and the elaboration of the hinge type door shaft are further improved.

Preferably, the hinge member is of an integral structure, and the hinge fixing body and the hinge pressing body are connected into a whole through a connecting bridge. Preferentially, the hinge part is of an integral design structure, namely, the hinge part is convenient to manufacture, and meanwhile, the coaxial design requirement can be ensured.

Preferably, the hinge fixing body is of an arc-shaped plate structure; the hinge pressure joint body is of a cylindrical structure and is provided with a step connecting hole along the axial direction; the circle center of the arc-shaped plate structure of the hinge fixing body is superposed with the axis of the stepped connecting hole of the hinge pressure connecting body. Because the hinge piece and the door leaf are coaxially arranged, in order to guarantee the rotation requirement of the door leaf, the hinge fixing body is arranged to be of an arc-shaped structure, the circle center of the arc-shaped structure is concentrically arranged by taking the circle center of the cylindrical structure of the hinge pressure joint body as the circle center, namely, the hinge fixing body needs to be concentrically arranged with the axle center of the bearing and the door leaf, and therefore the door leaf is guaranteed to be transported.

Preferably, the end face of one end of the bearing outer ring is higher than the end face of the bearing inner ring at the same end, and the end face of the other end of the bearing outer ring is lower than the end face of the bearing inner ring at the same end. Bearing arrangement is owing to both realize the cooperation with the door leaf, simultaneously again with the cooperation of hinge crimping body, still guarantee inner circle pivoted needs, therefore, be provided with the difference in height between bearing inner race and the bearing inner race in this application, and this difference in height specifically realizes that, bearing inner race's one end is higher than bearing inner race, and the other end then is less than bearing inner race, embody structurally that the terminal surface that the one end of bearing inner race is higher than the bearing inner race of same end is used for cooperating the butt of hinge crimping body, and the other end then is that bearing inner race's terminal surface then is the terminal surface that stretches out bearing inner race, such structure is for cooperating with the door leaf, thereby guarantee the rotation of inner race.

Preferably, the end surface of the bearing outer ring higher than the end surface of the bearing inner ring is in fit abutment with the hinge pressure-welding body. The end face of the bearing outer ring is abutted to the hinge pressure connection body, so that the bearing outer ring is connected together through the fixed shaft and rotates together with the rotation of the door leaf.

Preferably, the middle section of the fixed shaft is matched with the aperture of the bearing inner ring, and the lower section of the fixed shaft is provided with an external thread connected with the door leaf. The fixed shaft part is connected and used and has the function of a rotating shaft, so that the rotating shaft structure is arranged at the matching section of the middle section and the bearing inner ring, and the threaded connection structure is arranged at the lower section connected with the door leaf, so that the fixed shaft part can be fixedly connected with the door leaf and tightly matched with the inner diameter of the bearing inner ring.

Preferably, the door pocket is an arc-shaped door pocket; and arc-shaped surface structures matched with the arc-shaped door pocket are respectively arranged on two sides of the door leaf. The door pocket sets up to the arc door pocket, then is the design of the hidden form for the cooperation hinge, and the laminating of hinge fixation body is on the arcwall face of arc door pocket and through the fix with screw during the use, and the both sides of door leaf set up to the arcwall face structure and finally realize rotatoryly for the cooperation door pocket, and simultaneously, the setting is the coaxial setting that the arcwall face structure is favorable to hinge spare and door leaf, makes things convenient for the bearing to hide the upper end and the lower extreme that set up at the arcwall face structure.

Preferably, the upper end and the lower end of the arc-shaped surface structure of the door leaf are respectively provided with an arc-shaped rotating notch for reciprocating rotation of the door leaf, and the arc-shaped rotating notch is sunken in the upper end or the lower end of the door leaf. The arc-shaped rotating gap is arranged according to the turning trace of the opening range of the door leaf, and the connecting bridge on the hinge piece can be arranged above the arc-shaped rotating gap without being influenced by the door leaf transfer in the rotating process of the door leaf, so that the connection between the hinge fixing body and the hinge pressing body is realized, and the rotation of the door leaf can be ensured.

Preferably, the door leaf end parts at the upper end and the lower end of the door leaf arc-shaped surface structure are concavely provided with bearing installation seats, and the axis of each bearing installation seat is superposed with the axis of the arc-shaped surface structure and the axis of the door shaft of the door leaf. The bearing mounting seat is coaxially arranged with the door shaft of the door leaf, so that the bearing mounting seat is concavely arranged at the end part of the door leaf in order to meet the requirement of coaxial installation of the bearing, the door leaf shaft and the hinge, the design in a hidden form is realized, the mounting of the bearing is facilitated, and meanwhile, the requirement of coaxial arrangement with the door leaf can be met.

Preferably, the door leaf and the bearing mounting seat are provided with a connecting threaded hole coaxially.

The invention has the beneficial effects that: this stealthy hinge for door comprises hinge spare, bearing and fixed shaft, installs at both sides for the door leaf top and the bottom of arc surface structure, supports opening and closing of door leaf, and this hinge is disguised in the use, and the outward appearance is invisible for the decoration style is more brief. The hinge joint of the door leaf and the door frame can be realized through the combination of the three parts, the door leaf shaft and the hinge shaft are arranged on the same straight line, and compared with a traditional world type hinge which has a redundant structure of the door leaf shaft and the door frame shaft, the hinge joint simplifies the number of parts at the door shaft and further improves the concealment and the elaboration of the hinge type door shaft. The bearing in the invisible hinge for the door is a self-made bearing, a certain height difference exists between an inner ring and an outer ring, the inner ring is in contact with the door leaf, the outer ring is in contact with the hinge, the hinge part and the bearing are fixed on the door leaf through a fixed shaft part, and the bearing can rotate, so that the door leaf can be opened and closed; the hinge piece is a self-made hinge, and can be produced in a large scale by being integrally formed through a die.

Drawings

FIG. 1 is a schematic view of a hidden hinge for doors of the present invention;

FIG. 2 is a schematic view of an exploded structure of the invisible hinge for doors of the present invention;

FIG. 3 is a schematic view showing an installation structure of the invisible hinge for door of the present invention;

FIG. 4 is a plan view of the invisible hinge mounting structure for door of the present invention;

FIG. 5 is a sectional view of the invisible hinge mounting structure for doors of the present invention;

FIG. 6 is an exploded view of the invisible hinge mounting structure for the door of the present invention;

in the figure: 1. Hinge spare, 2, hinge fixed body, 3, hinge crimping body, 4, bearing, 5, fixed axle spare, 6, connecting bridge, 7, ladder connecting hole, 8, external screw thread, 9, door pocket, 10, door leaf, 11, arcwall face structure, 12, arc rotation notch, 13, bearing mount pad, 14, door-hinge axis, 15, connecting screw hole, 16, fixed orifices.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments with reference to the accompanying drawings.