Cup-shaped blind hinge capable of being quickly disassembled and assembled

Abstract

The embodiment of the utility model provides a cup-shaped blind hinge capable of being quickly disassembled and assembled. The cup-shaped blind hinge capable of being quickly disassembled and assembled comprises a hinge cup structure (1 '), a connecting structure (2') and a hinge arm bottom plate (3 '), wherein the connecting structure (2 ') and the hinge cup structure (1') are hinged together; the connecting structure (2 ') comprises a bent part (21'); the bending part (21 ') comprises a hinge arm mounting area (211'), the hinge arm mounting area (211 ') is provided with a connecting part (2112') and a sliding groove (2111 ') with a downward opening, and the ends, close to the hinge cup structure (1'), of the inner walls of the two sides of the sliding groove (2111 ') are each provided with at least one protruding block. According to the technical scheme of the embodiment of the invention, the cup-shaped blind hinge can be quickly disassembled and assembled, so that the time for assembling and disassembling the cup-shaped blind hinge is shortened, and the user experience is improved.

Description

Technical Field

[0001] The present application relates to the technical field of hinges, and in particular to a cup-shaped concealed hinge that can be quickly disassembled and assembled. Background Art

[0002] A hinge is a mechanical device used to connect two solid bodies and allow them to rotate relative to each other. It is usually installed on cabinet furniture. However, the existing hinge is fixedly connected to the door or window as a whole. When separating and disassembling the door or window, the hinge may need to be repeatedly installed and removed, which is time-consuming and inconvenient.

[0003] It should be noted that the above content is not necessarily prior art, nor is it intended to limit the scope of patent protection of this application. Utility Model Content

[0004] The embodiments of the present application provide a cup-shaped concealed hinge that can be quickly disassembled and assembled to solve or alleviate one or more of the technical problems mentioned above.

[0005] As one aspect of an embodiment of the present application, an embodiment of the present application provides a cup-shaped concealed hinge that can be quickly disassembled and assembled, including: a hinge cup structure, a connection structure, and a hinge arm bottom plate;

[0006] Wherein, the connecting structure and the hinge cup structure are hinged together;

[0007] Wherein, the connection structure includes a bending portion; the bending portion includes a hinge arm mounting area, the hinge arm mounting area has a connecting portion and a downwardly opening slide, and at least one protrusion is respectively provided on the inner walls of both sides of the slide close to one end of the hinge cup structure;

[0008] Among them, in the assembled state, the end of the connecting structure extends into the hinge cup structure and is hinged with the hinge cup structure; the hinge arm base plate is slid into the slide groove and is fixed in the slide groove by the at least one protrusion and the connecting part; when the connecting part is disassembled, the hinge arm base plate is detached from the slide groove under the action of external force, so that the connecting structure is separated from the hinge arm base plate.

[0009] Optionally, the connecting portion includes: an eccentric adjustment rivet;

[0010] Correspondingly, a waist-shaped hole is provided at one end of the bending portion away from the hinge cup structure;

[0011] Wherein, a first through hole is provided at one end of the hinge arm bottom plate away from the hinge cup structure;

[0012] Among them, the eccentric adjustment rivet includes a head, a middle part, and an eccentric head connected in sequence; the middle part is movably clamped in the waist-shaped hole, and the eccentric head passes through the first through hole to make the bending part and the hinge arm bottom plate produce relative displacement along the direction of the waist-shaped hole.

[0013] Optionally, the eccentric adjustment rivet is of eccentric cam type, with a cross groove provided on the top.

[0014] Optionally, the bending portion further comprises: a recessed portion, the recessed portion being located at an end of the bending portion away from the hinge cup structure;

[0015] Wherein, the waist-shaped hole is arranged in the recessed portion, and the recessed portion is used to accommodate the head of the eccentric adjustment rivet; the recessed height of the recessed portion is greater than or equal to the height of the head of the eccentric adjustment rivet.

[0016] Optionally, the hinge arm bottom plate includes: a raised portion, which is arranged at an end away from the hinge cup structure; and the first through hole is arranged in the middle of the raised portion so that the hinge arm bottom plate fits the bent portion.

[0017] Optionally, the hinge arm base plate further comprises: fixing parts arranged at four corners, wherein the fixing parts are used to be inserted into a door or a door frame so that the hinge arm base plate is fixed to the door or the door frame.

[0018] Optionally, in the connection structure, the projection and the hinge arm mounting area form a guide groove;

[0019] Correspondingly, the hinge arm bottom plate includes a bottom plate and side plates located on both sides of the bottom plate;

[0020] Wherein, the side plate is vertically arranged on the bottom plate, and the side plate includes a first section and a second section;

[0021] Wherein, the first section is away from the hinge cup structure, and the lateral end surface of the first section is used to fit with the inner wall of the slide groove;

[0022] The second section is close to the hinge cup structure, the lateral end surface of the second section is spaced apart from the inner wall of the slide groove, and a lateral flange is arranged on the lateral end surface of the second section, and the lateral flange is used to be inserted into the guide groove.

[0023] Optionally, the hinge cup structure comprises: a hinge cup body, provided with a receiving space, two symmetrically distributed special-shaped holes are respectively provided on the side walls of the receiving space, and the special-shaped holes are located at one end of the hinge cup body away from the bending portion;

[0024] Wherein, the hinge cup structure further includes: a torsion spring, the torsion spring including a torsion spring body, a claw and an extension portion extending from the torsion spring body; the claw is fixed to the special-shaped hole, and the extension portion abuts against an end extending downward from the bending portion;

[0025] Wherein, when the angle between the hinge cup structure and the bending portion changes, the extension portion abuts against one end of the bending portion and generates a force on the bending portion.

[0026] Optionally, the hinge cup structure further includes:

[0027] A damping device, the damping device comprising a damper; the damper is located in the receiving space, with one end facing the inner wall of the receiving space and the other end facing one end of the bending portion;

[0028] Wherein, when the angle between the hinge cup structure and the bent portion changes, the ends of the damper respectively abut against the inner wall of the accommodating space and the end of the bent portion to generate a damping force.

[0029] The above technical solution adopted in the embodiment of the present application may have the following advantages:

[0030] The hinge cup structure and the connecting structure are hinged together; the connecting structure can be quickly installed on the hinge arm base, and quickly separated from the hinge arm base, so as to achieve rapid disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the multiple drawings represent the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments disclosed in the present application and should not be regarded as limiting the scope of the present application.

[0032] Figure 1 It is a structural schematic diagram of a cup-shaped concealed hinge that can be quickly disassembled and assembled provided in an embodiment of the present application;

[0033] Figure 2 It is a bottom view of a cup-shaped concealed hinge that can be quickly disassembled and assembled provided in an embodiment of the present application;

[0034] Figure 3 yes Figure 1 Schematic diagram of the explosion structure.

[0035] Description of reference numerals:

[0036] 1' hinge cup structure

[0037] 2' junction structure

[0038] 3' hinged arm base

[0039] 11' hinge cup body

[0040] 12' torsion spring

[0041] 13' damping device

[0042] 21' bending section

[0043] 31' bulge

[0044] 32' fixed part

[0045] 111' containment space

[0046] 131' damper

[0047] 113' special-shaped hole

[0048] 211' hinge arm installation area

[0049] 212' Depression

[0050] 215' waist hole

[0051] 311' first through hole

[0052] 2111' chute

[0053] 2112'Connection

[0054] 2115' Eccentric Adjustment Rivet DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other in the absence of conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0056] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0057] The following provides an explanation of the terms used in this application.

[0058] Cup-shaped concealed hinges, also known as American damping hinges, meet and exceed the relevant definitions, requirements and inspection standards of the light industry standards of the People's Republic of China QB / T1242-1991 and QBT2189-2013. At the same time, they meet and exceed the relevant definitions, requirements and inspection standards in EU standard 15570-2008.

[0059] To facilitate those skilled in the art to understand the technical solutions provided in the embodiments of the present application, the relevant technologies are described below:

[0060] Cup-shaped concealed hinges, as a commonly used furniture hardware, are generally composed of a hinge cup, a connecting plate, a hinge arm, a base, etc. Cup-shaped concealed hinges are installed between light cabinet doors and door frames, allowing the door to rotate relative to the door frame. However, the existing hinges require very complicated installation and removal of the hinges, which is time-consuming and very inconvenient.

[0061] To this end, the embodiment of the present application provides a new design structure technical solution for a cup-shaped concealed hinge. Based on this, the connection structure hinged on the hinge cup structure can be quickly installed on the hinge arm base. See below for details.

[0062] Hereinafter, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. It should be noted that these exemplary embodiments can be implemented in many different forms and should not be construed as being limited to the embodiments described herein.

[0063] like Figures 1 to 3 As shown, the cup-shaped concealed hinge may include: a hinge cup structure 1', a connecting structure 2' and a hinge arm bottom plate 3'. The connecting structure 2' and the hinge cup structure 1' are hinged together; the connecting structure 2' can be quickly installed on the hinge arm bottom plate 3', and can be quickly separated from the hinge arm bottom plate 3', so as to achieve rapid disassembly and assembly.

[0064] The structures and matching relationships of the hinge cup structure 1', the connection structure 2' and the hinge arm bottom plate 3' are described below.

[0065] The hinge cup structure 1' can be fixedly installed on a door or a door frame.

[0066] The connection structure 2' is hinged on the hinge cup structure 1'. The connection structure 2' and the hinge cup structure 1' can be provided with mutually cooperating hinge parts as required.

[0067] The connection structure 2' may include a bending portion 21'. The bending portion 21' includes a hinge arm mounting area 211', the hinge arm mounting area 211' has a downwardly opening slide 2111', and the inner walls of both sides of the slide 2111' are respectively provided with at least one protrusion near one end of the hinge cup structure 1'.

[0068] The hinge arm bottom plate 3' can be fixed on the door frame or the door.

[0069] Wherein, in the assembled state, the end of the connecting structure 2' extends into the hinge cup structure 1' and is hinged to the hinge cup structure 1'; the hinge arm bottom plate 3' is slid into the chute 2111', and is jointly fixed in the chute 2111' by the at least one bump and the connecting portion 2112'; in the state where the connecting portion 2112' is disassembled, under the action of an external force, the hinge arm bottom plate 3' is disengaged from the chute 2111', so that the connecting structure 2' is separated from the hinge arm bottom plate 3'.

[0070] In an alternative embodiment, the connecting portion 2112' includes: an eccentric adjustment rivet 2115'.

[0071] Correspondingly, a kidney-shaped hole 215' is provided at one end of the bent portion 21' away from the hinge cup structure 1'. Wherein, the shape of the kidney-shaped hole 215' is similar to the Chinese character "腰" (waist), the opening sizes at both ends are different, the middle part is narrower, its width should be greater than the diameter of the middle part of the eccentric adjustment rivet 2115', and its length should be greater than the moving range of the eccentric adjustment rivet 2115'.

[0072] Wherein, a first through hole 311' is provided at one end of the hinge arm bottom plate 3' away from the hinge cup structure 1'.

[0073] Wherein, the eccentric adjustment rivet 2115' includes a head, a middle part, and an eccentric head connected in sequence. Wherein, the head is used for installation and fixation, and can adopt shapes such as cylindrical, hexagonal, etc. The eccentric adjustment rivet 2115' can be made of steel, stainless steel or other metals, which is not limited herein.

[0074] Wherein, when those skilled in the art install the connecting portion 2112', first insert the head of the eccentric adjustment rivet 2115' into the first through hole 311', then snap the middle part of the eccentric adjustment rivet 2115' into the kidney-shaped hole 215', then install the hinge arm bottom plate 3' onto the hinge cup structure 1', adjust the position of the eccentric adjustment rivet 2115' to make the bent portion 21' and the hinge arm bottom plate 3' reach an ideal relative position, and finally fix the eccentric adjustment rivet 2115'. It should be noted that care should be taken to avoid jamming or loosening of the eccentric adjustment rivet 2115'. When adjusting the eccentric adjustment rivet 2115', care should be taken to control the force to avoid damaging the components.

[0075] The middle portion is movably stuck in the waist-shaped hole 215', and the eccentric head passes through the first through hole 311', so that the bent portion 21' and the hinge arm bottom plate 3' are relatively displaced along the direction of the waist-shaped hole 215'. In this embodiment, the relative position of the connecting structure 2' and the hinge arm bottom plate 3' in the horizontal direction can be adjusted by rotating and adjusting the eccentric adjustment rivet 2115', thereby slightly adjusting the relative position of the door and the door frame.

[0076] In an optional embodiment, the eccentric adjustment rivet 2115 ′ is of eccentric cam type, with a cross groove disposed on the top.

[0077] In an optional embodiment, the bending portion 21' further includes a recessed portion 212', and the recessed portion 212' is located at one end of the bending portion 21' away from the hinge cup structure 1'. The shape of the recessed portion 212' may be circular, square or other shapes, and the distance from the hinge cup structure 1' may be adjusted as needed. The recessed portion 212' may be formed by stamping, drilling or other processing methods, and the recessed portion 212' may be made of the same material as the bending portion 21', such as steel, aluminum or plastic. None of these are limited here.

[0078] The waist-shaped hole 215' is provided in the recessed portion 212', and the recessed portion 212' is used to accommodate the head of the eccentric adjustment rivet 2115'; the recessed height of the recessed portion 212' is greater than or equal to the height of the head of the eccentric adjustment rivet 2115'. The waist-shaped hole 215' may be circular, square or other shapes, and its size is slightly greater than the diameter or side length of the head of the eccentric adjustment rivet 2115'. It is located at the bottom of the recessed portion 212' and aligned with the center line of the recessed portion 212'. In this embodiment, the recessed portion 212' makes the hinge structure more compact, saves space, and makes the hinge structure more beautiful.

[0079] In an optional embodiment, the hinge arm bottom plate 3' includes a raised portion 31', which is arranged at an end away from the hinge cup structure 1'. The raised portion 31' can be made of the same material as the hinge arm bottom plate 3', such as steel, aluminum or plastic. In terms of preparation method, it can be formed by stamping, welding or other processing methods, which are not limited here.

[0080] The first through hole 311' is arranged in the middle of the raised portion 31' so that the hinge arm bottom plate 3' fits with the bent portion 21'. In this embodiment, by arranging the raised portion 31' on the hinge arm bottom plate 3' to match the recessed portion 212' of the bent portion 21', the connection structure 2' can fit with the hinge arm bottom plate 3', and the hinge structure can be more firm and stable.

[0081] In an optional embodiment, the hinge arm base plate 3 ′ further includes fixing portions 32 ′ arranged at four corners, and the fixing portions 32 ′ are used to be inserted into a door or a door frame so that the hinge arm base plate 3 ′ is fixed to the door or the door frame.

[0082] The size of the fixing portion 32' should match the thickness of the door or door frame, and sufficient clearance should be left for easy insertion and removal. The thickness of the fixing portion 32' should be strong enough to support the weight of the door or door frame. In terms of material, it can be made of plastic, metal or wood. The selected material should be strong and durable and resistant to corrosion and wear. It should be noted that before installing the fixing portion 32', please ensure that the surface of the door or door frame is clean and dry, and use fasteners of appropriate size to avoid damaging the door or door frame.

[0083] In an optional embodiment, in the connection structure 2 ′, the protrusion and the hinge arm mounting area 211 ′ form a guide groove.

[0084] Correspondingly, the hinge arm bottom plate 3 ′ includes a bottom plate and side plates located on both sides of the bottom plate, the side plates are vertically arranged on the bottom plate, and the side plates include a first section and a second section.

[0085] The first section is away from the hinge cup structure 1', and the lateral end surface of the first section is used to fit with the inner wall of the sliding groove 2111'.

[0086] The second section is close to the hinge cup structure 1', the lateral end surface of the second section is spaced apart from the inner wall of the slide groove 2111', and a lateral flange is arranged on the lateral end surface of the second section, and the lateral flange is used to be inserted into the guide groove.

[0087] Specifically, during installation, relevant technical personnel in this field first install the connecting structure 2' in place, insert the first section of the side plate of the hinge arm bottom plate 3' into the sliding groove 2111', and adjust the position of the hinge arm bottom plate 3' to make it flush with the connecting structure 2'.

[0088] The structure of the hinge cup structure 1' is described below.

[0089] The structure of the hinge cup structure 1' is described below.

[0090] In an optional embodiment, the hinge cup structure 1' comprises: a torsion spring 12', a hinge cup body 11', and a receiving space 111'.

[0091] The receiving space 111' can be formed by drilling, stamping or other processing methods, which are not limited here. Two symmetrically distributed special-shaped holes 113' are respectively arranged on the side walls of the receiving space 111'.

[0092] The torsion spring 12' includes a torsion spring body and claws and extensions extending from the torsion spring body. The torsion spring 12' can be made of elastic material, such as steel, stainless steel or spring steel, and can be spiral or cylindrical in shape. The diameter, length and number of turns of the torsion spring 12' should be designed according to the torque required to be provided, and are not limited here.

[0093] When the angle between the hinge cup structure 1' and the bent portion 21' changes, the extension of the torsion spring 12' will abut against one end of the bent portion 21' and generate a force on the bent portion 21'. This force can provide a damping effect to prevent the door or door frame from opening or closing suddenly. In this embodiment, by using a torsion spring, the door or door frame can be opened and closed more smoothly and safely.

[0094] In an optional embodiment, the hinge cup structure 1' further includes:

[0095] The damping device 13' includes a damper 131'; the damper 131' is located in the receiving space 111', with one end facing the inner wall of the receiving space 111' and the other end facing one end of the bent portion 21'. The damper 131' may be a hydraulic damper, a gas damper or a magnetic damper, and the damper 131' may be composed of a cylinder, a piston, a piston rod, a seal and other components, which are not limited here.

[0096] When the angle between the hinge cup structure 1' and the bent portion 21' changes, the ends of the damper 131' respectively abut against the inner wall of the receiving space 111' and the end of the bent portion 21' and generate a damping force. In this embodiment, the damping device 13' can provide a damping effect to prevent the door or door frame from opening or closing suddenly.

[0097] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0098] For the convenience of description, the orientation or position relationship indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, vertical, horizontal" and "top, bottom" is usually based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Therefore, the exemplary term "above..." can include both "above..." and "below..." orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used here are interpreted accordingly.

[0099] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0100] Unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0101] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0102] It should also be noted that "one embodiment", "another embodiment", "embodiment", etc. mentioned in this specification refer to the specific features, structures or characteristics described in conjunction with the embodiment included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when a specific feature, structure or characteristic is described in conjunction with any embodiment, it is claimed that the realization of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of this application.

[0103] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0104] It should also be noted that the above are only preferred embodiments of the present application, and the patent protection scope of the present application is not limited thereto. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A cup-shaped concealed hinge that can be quickly disassembled and assembled, characterized in that: include: A hinge cup structure (1'), a connecting structure (2') and a hinge arm bottom plate (3'); wherein the connecting structure (2') and the hinge cup structure (1') are hinged together; The connection structure (2') comprises a bending portion (21'); the bending portion (21') comprises a hinge arm mounting area (211'); the hinge arm mounting area (211') comprises a connecting portion (2112') and a downwardly opening slide groove (2111'); at least one protrusion is respectively arranged on the inner walls of both sides of the slide groove (2111') at one end close to the hinge cup structure (1'); Wherein, in the assembled state, the end of the connecting structure (2') extends into the hinge cup structure (1') and is hinged to the hinge cup structure (1'); the hinge arm bottom plate (3') is slid into the slide groove (2111') and is fixed in the slide groove (2111') by the at least one protrusion and the connecting portion (2112'); when the connecting portion (2112') is disassembled, the hinge arm bottom plate (3') is disengaged from the slide groove (2111') under the action of an external force, so that the connecting structure (2') is separated from the hinge arm bottom plate (3'); Wherein, a waist-shaped hole (215') is provided at one end of the bending portion (21') away from the hinge cup structure (1'); Wherein, the bending portion (21') further comprises: a recessed portion (212'), the recessed portion (212') being located at an end of the bent portion (21') away from the hinge cup structure (1'); Wherein, the connecting portion (2112') comprises: an eccentric adjustment rivet (2115'); Correspondingly, a waist-shaped hole (215') is provided at one end of the bending portion (21') away from the hinge cup structure (1'); A first through hole (311') is provided at one end of the hinge arm bottom plate (3') away from the hinge cup structure (1'); Wherein, the eccentric adjustment rivet (2115') comprises a head portion, a middle portion, and an eccentric head which are connected in sequence; The middle portion is movably clamped in the waist-shaped hole (215'), and the eccentric head passes through the first through hole (311'), so that the bent portion (21') and the hinge arm bottom plate (3') are relatively displaced along the direction of the waist-shaped hole (215'); The waist-shaped hole (215') is arranged in the recessed portion (212'), and the recessed portion (212') is used to accommodate the head of the eccentric adjustment rivet (2115'); the recessed height of the recessed portion (212') is greater than or equal to the height of the head of the eccentric adjustment rivet (2115'); Wherein, the hinge arm bottom plate (3') comprises: The raised portion (31') is arranged at an end away from the hinge cup structure (1'); the first through hole (311') is arranged in the middle of the raised portion (31'); the raised portion (31') matches the bent portion (21') so that the hinge arm bottom plate (3') fits the bent portion (21').

2. The cup-shaped concealed hinge capable of rapid disassembly and assembly according to claim 1, characterized in that: The eccentric adjustment rivet (2115') is of eccentric cam type, and a cross groove is arranged on the top.

3. The cup-shaped concealed hinge capable of rapid disassembly and assembly according to claim 1, characterized in that: The hinge arm bottom plate (3') also includes: The fixing parts (32') are arranged at the four corners, and the fixing parts (32') are used to be inserted into the door or the door frame so that the hinge arm bottom plate (3') is fixed on the door or the door frame.

4. The cup-shaped concealed hinge capable of rapid disassembly and assembly according to claim 1, characterized in that: In the connection structure (2'), the protrusion and the hinge arm mounting area (211') form a guide groove; Correspondingly, the hinge arm bottom plate (3') comprises a bottom plate and side plates located on both sides of the bottom plate; The side plate is vertically arranged on the bottom plate, and the side plate includes a first section and a second section; The first section is away from the hinge cup structure (1'), and the lateral end surface of the first section is used to fit with the inner wall of the sliding groove (2111'); The second section is close to the hinge cup structure (1'), the lateral end surface of the second section and the inner wall of the slide groove (2111') are arranged at a distance, and a lateral flange is arranged on the lateral end surface of the second section, and the lateral flange is used to be inserted into the guide groove.

5. The cup-shaped concealed hinge capable of rapid disassembly and assembly according to claim 1, characterized in that: The hinge cup structure (1') comprises: The hinge cup body (11') is provided with a receiving space (111'), and two symmetrically distributed special-shaped holes (113') are respectively provided on the side walls of the receiving space (111'), and the special-shaped holes (113') are located at an end of the hinge cup body (11') away from the bending portion (21'); The torsion spring (12') comprises a torsion spring (12') body, a claw extending from the torsion spring (12') body, and an extension portion; the claw is fixed to the special-shaped hole (113'), and the extension portion abuts against an end of the bent portion (21') extending downward; Wherein, when the angle between the hinge cup structure (1') and the bent portion (21') changes, the extension portion abuts against one end of the bent portion (21') and generates a force on the bent portion (21').

6. The cup-shaped concealed hinge capable of rapid disassembly and assembly according to claim 5, characterized in that: The hinge cup structure (1') further comprises: A damping device (13'), the damping device (13') comprising a damper (131'); the damper (131') is located in the receiving space (111'), with one end facing the inner wall of the receiving space (111') and the other end facing one end of the bent portion (21'); When the angle between the hinge cup structure (1') and the bent portion (21') changes, the ends of the damper (131') respectively abut against the inner wall of the accommodating space (111') and the end of the bent portion (21') to generate a damping force.

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