CN112963059B - Hinge base and hinge assembly - Google Patents

Abstract

The invention discloses a hinge base and a hinge assembly, wherein the hinge base comprises a fixed plate, one side of the fixed plate is provided with a connecting part, the connecting part comprises a first bending part protruding outwards in a first preset direction, and the connecting part is also provided with a through hole for a fastening piece to pass through; the fixing plate is provided with a first buckling position close to the connecting part and used for buckling with the rear end of the buckling piece, and the first buckling position comprises a second bending part protruding outwards in a second preset direction; the first predetermined direction is opposite the second predetermined direction. The hinge base is installed when the cabinet board, and the back laminating of fixed plate is on the surface of cabinet board to make the surface of first kink part laminating cabinet board, make the whole effects of effort that the fixed plate received be in connecting portion, avoid first lock position to receive the effort and take place deformation, in order to guarantee that the structure of first lock position is unchangeable, the intensity of the first lock position of reinforcing can choose for use thinner panel to make the hinge base simultaneously, reduces the cost of manufacture.

Description

Hinge base and hinge assembly

Technical Field

The invention relates to the technical field of furniture hardware fittings, in particular to a hinge base and a hinge assembly.

Background

At present, most hinges are applied to door panels of cabinets or furniture, and are mainly classified into stainless steel hinges and iron hinges according to materials. In order to make people get better enjoyment, damping hinges (also called buffering hinges) appear, and the damping hinges are characterized in that a buffering function is brought when a cabinet door is closed, so that noise generated by collision between the cabinet door and a cabinet body is reduced to the greatest extent.

In traditional hinge installation, the staff need install the hinge cup on the cabinet door earlier, hold in the palm the cabinet door again and install the base on the cabinet body, and the installation is loaded down with trivial details and inflexible, and positioning accuracy is poor, is difficult to install according to the practical application environment, and seriously influences the cooperation precision of cabinet door and the cabinet body.

At present, some hinges which can be disassembled from the hinge base are also available, and the assembly and disassembly are convenient. However, since the distance from the front end to the rear end of the hinge base is short, the buckling position of the rear end of the hinge base is easily stressed and deformed in the installation process of the hinge base. In order to solve the problem, the conventional method is to increase the overall thickness of the hinge base to improve the strength of the hinge base, but the method will increase the manufacturing cost, and meanwhile, the effect of improving the stress at the rear end of the hinge base is relatively common.

Disclosure of Invention

The invention aims to provide a hinge base which can solve the problem that the rear end of the hinge base is easy to deform under stress in the installation process of the existing hinge. In addition, the invention also provides a hinge assembly applying the hinge base.

In order to achieve the above object, the present invention provides a hinge base, including a fixing plate, a connecting portion provided at one side of the fixing plate, the connecting portion including a first bending portion protruding outward in a first predetermined direction, the connecting portion further having a through hole for a fastening member to pass through; the fixing plate is provided with a first buckling position close to the connecting part and used for buckling with the rear end of the buckling piece, and the first buckling position comprises a second bending part protruding outwards in a second preset direction; wherein the first predetermined direction is opposite to the second predetermined direction.

Further, at least a part of the cross section of the first bending part is arc-shaped.

Further, a protrusion protruding toward the first predetermined direction is disposed at a central position of the first bending portion.

Further, the lower surface of the protrusion is located on the same plane as the back surface of the fixing plate.

Further, the first bending part further comprises first arc sections respectively arranged on two sides of the protrusion, and the first arc sections are connected with the fixing plate.

Further, the second bending part comprises a horizontal section and second arc sections respectively arranged at two sides of the horizontal section; the second arc-shaped section is connected with the fixing plate.

Furthermore, the end of the second arc-shaped section connected with the horizontal section is along the direction of the end of the second arc-shaped section connected with the fixed plate, and the cross-sectional area of the second arc-shaped section is gradually increased.

Furthermore, the fixing plate comprises a first plate body and a second plate body positioned below the first plate body, and the first plate body is connected with the second plate body;

the first arc-shaped section and the second arc-shaped section are respectively connected with the first plate body.

Furthermore, the first plate body is connected with the second plate body through a reinforcing rib.

Further, the through hole is a circular hole or a kidney-shaped hole.

Furthermore, a reinforcing part protruding outwards towards the second predetermined direction is arranged at one end, far away from the first buckling position, of the connecting part.

In order to achieve the above object, the present invention provides a hinge assembly, comprising a latch, and the above hinge base; the rear end of the fastener is provided with an elastic fastening structure fastened with the first fastening position.

Furthermore, the elastic buckling structure comprises a pressing piece and a spring, the pressing piece is rotatably arranged on the buckling piece, one end of the spring is connected with the pressing piece, the other end of the spring is connected with the buckling piece, and the pressing piece is provided with a pressing part buckled with the first buckling position.

Furthermore, a second buckling position is arranged on one side, far away from the connecting part, of the fixing plate, and a hook part buckled with the second buckling position is arranged at the front end of the buckling piece.

Compared with the prior art, the hinge base provided by the embodiment of the invention has the beneficial effects that:

the hinge base of the invention is provided with a first buckling position on the fixed plate, the first buckling position is used for buckling with the rear end of the buckling piece, and the first buckling position comprises a second bending part which protrudes outwards towards a second preset direction (usually, the second preset direction is the direction of the front surface of the fixed plate outwards); the connecting part is arranged on one side close to the first buckling position and comprises a first bending part protruding outwards in the first preset direction, and the first preset direction is opposite to the second preset direction, namely the first bending part protrudes outwards in the direction towards the back of the fixing plate. When the hinge base is installed on the cabinet plate, the back surface of the fixing plate is attached to the surface of the cabinet plate, and the first bending part is partially attached to the surface of the cabinet plate, so that all acting force applied to the fixing plate acts on the connecting part, and the first buckling position is prevented from deforming due to acting force, the structure of the first buckling position is guaranteed to be unchanged, the strength of the first buckling position is enhanced, meanwhile, a thin plate can be selected to be made into the hinge base, the manufacturing cost is reduced, and the economic benefit is improved;

in addition, the fixing plate of the existing hinge base is provided with two mounting holes for the fasteners to pass through, the connecting part is provided with the through hole, the through hole and the two mounting holes form a stable triangular structure, the structure stability of the hinge base is facilitated, the hinge base is not easy to be extruded and deformed by the fasteners, and the fastening performance between the hinge base and the cabinet plate is enhanced after the hinge base is fixed by the fasteners.

Drawings

FIG. 1 is a schematic structural view of a hinge base of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a structural schematic view of another perspective of the hinge base of the present invention;

FIG. 5 is a schematic view of the hinge base of the present invention with two connecting portions; .

FIG. 6 is a first structural view of the hinge base of the present invention with through holes;

FIG. 7 is a second embodiment of the hinge base of the present invention with through holes;

FIG. 8 is a third embodiment of the hinge base of the present invention with through holes;

FIG. 9 is a schematic view of a fourth construction of the hinge base of the present invention with through holes;

FIG. 10 is a schematic view of the hinge base of the present invention with a reinforcing section

FIG. 11 is a schematic structural view of a hinge assembly of the present invention;

FIG. 12 is a schematic view of the hinge base of the present invention prior to attachment to the latch;

FIG. 13 is a schematic view of the hinge base of the present invention after attachment to a latch;

in the figure, 1-fixed plate;

11-a first snap-fit position; 111-a second bend; 111 a-horizontal segment; 111 b-a second arc segment;

12-a connecting part; 121-a first bending part; 121 a-protrusions; 121 b-a first arc segment; 122-through holes, 123-reinforcements;

13-a first plate body; 14-a second plate body; 15-reinforcing ribs; 16-a second snap-fit position; 17-insertion slot; 18-a positioning groove; 19-a positioning section; 110-mounting holes;

3-a fastener; 31-a hook portion; 311-an arc-shaped slot; 312-a guide ramp; 32-a bottom plate; 33-side plates; 34. a first positioning portion; 35. a boss portion;

4, pressing parts; 41-a pressing part; 42-a guide; 43-a third limiting part; 44-a handle portion;

5-a spring;

6-rotating shaft.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-4, a hinge base according to a preferred embodiment of the present invention includes a fixing plate 1, a connecting portion 12 is disposed on one side of the fixing plate 1, and the connecting portion 12 includes a first bending portion 121 protruding outward in a first predetermined direction; a first buckling position 11 for buckling with the rear end of the buckling piece is arranged on the fixing plate 1 near the connecting part 12, and the first buckling position 11 comprises a second bending part 111 protruding outwards in a second predetermined direction; wherein the first predetermined direction is opposite to the second predetermined direction.

In this embodiment, the surface of the fixed plate 1 attached to the cabinet plate is defined as the back surface of the fixed plate 1, and the surface of the fixed plate 1 close to the fastener is defined as the front surface of the fixed plate 1. In the prior art, in order to facilitate the fastening of the fastening member to the hinge base and avoid the easy deformation of the second bending portion 111 during the installation of the hinge base on the cabinet board, the second bending portion 111 protrudes outward along the front surface of the fixing plate 1, so the second predetermined direction of the embodiment can be understood as the outward direction of the front surface of the fixing plate 1, and the first predetermined direction is the outward direction of the back surface of the fixing plate 1.

Meanwhile, the rear end of the fastening member can be preferably fastened to the second bending portion 111, and if an elastic fastening structure is disposed at the rear end of the fastening member, the elastic fastening structure is fastened to the second bending portion 111. Therefore, an insertion groove 17 into which the hook portion extends is reserved between the first bending portion 121 and the second bending portion 111, so that the elastic fastening structure can be fastened to the back surface of the second bending portion 111 after extending from the insertion groove 17.

Based on above-mentioned structure, when the hinge base installs when the cabinet board, the back laminating of fixed plate 1 is on the surface of cabinet board, and make the surface of first kink 121 part laminating cabinet board, make the whole effects of effort that fixed plate 1 received be at connecting portion 12, avoid first lock position 11 to receive the effort and take place deformation, it is unchangeable to guarantee the structure of first lock position 11, strengthen the intensity of first lock position 11, can choose for use thinner panel to make the hinge base simultaneously, the manufacturing cost is reduced, and economic benefits is improved.

Meanwhile, in the process of installing the hinge base on the cabinet plate, because the orientations of the first bending part 121 and the second bending part 111 are opposite, the directions of the acting forces applied to the first bending part 121 and the second bending part 111 are opposite, i.e. the acting force applied to the first bending part 121 and the acting force applied to the second bending part 111 are mutually constrained, and the deformation of the structures of the first bending part 121 and the second bending part 111 is limited, so that the structural stability of the first bending part 121 and the second bending part 111 is ensured, and the stressed deformation of the first buckling position 11 is avoided.

Further, referring to fig. 1 to 4, at least a portion of the cross section of the first bending portion 121 is arc-shaped. The first bending part 121 of the bending structure can ensure that a part of the connecting part 12 is attached to the surface of the cabinet plate, so that the acting force of the hinge base in the installation process is transmitted to the connecting part 12, the connecting part 12 is used for absorbing the acting force, and the first buckling position 11 is prevented from being deformed under stress.

Further, referring to fig. 1 and 4, a protrusion 121a protruding toward the first predetermined direction is disposed at a center of the first bending portion 121. Wherein the lower surface of the protrusion 121a may be a plane or an arc surface, which is not limited herein. Because the contact area of the central position of the first bending part 121 is large, and the load bearing capacity is strong, the protrusion 121a is disposed at the central position of the first bending part 121, and the protrusion 121a can be attached to the surface of the cabinet plate in the installation process of the hinge base, so that the acting force acting on the hinge base is absorbed by the central position of the first bending part 121, and the load bearing capacity is strong and stable, so as to avoid the easy deformation of the other parts of the first bending part 121 due to local stress. Preferably, in the process of mounting the hinge base, in order to better make the protrusion 121a adhere to the cabinet plate, the lower surface of the protrusion 121a and the back surface of the fixing plate 1 are located on the same plane, that is, when mounting, the lower surface of the protrusion 121a and the back surface of the fixing plate 1 adhere to the cabinet plate at the same time, and the stress is stable and reliable.

Further, in order to enable the protrusion 121a to be smoothly connected with the fixing plate 1, referring to fig. 1-4, the first bending portion 121 further includes first arc-shaped sections 121b respectively disposed at two sides of the protrusion 121a, and the first arc-shaped sections 121b are connected with the fixing plate 1, so that the first bending portion 121 and the fixing plate 1 form an integrated structure.

Further, as a solution of the present embodiment, please refer to fig. 1 and 4, the second bending portion 111 includes a horizontal segment 111a and second arc segments 111b respectively disposed at two sides of the horizontal segment 111 a; the second arc-shaped section 111b is connected to the fixing plate 1, so that the second bending part 111 and the fixing plate 1 form an integrated structure. Preferably, the end of the second arc-shaped segment 111b connected to the horizontal segment 111a has a cross-sectional area gradually increasing along the direction of the end of the second arc-shaped segment 111b connected to the fixing plate 1. The first arc-shaped section 121b with a variable cross-section can reserve enough force transmission space to make the first buckling position 11 more stable.

Further, referring to fig. 1-4, the fixing plate 1 of the present invention includes a first plate 13 and a second plate 14 located below the first plate 13, wherein the first plate 13 is connected to the second plate 14; the first arc-shaped segment 121b and the second arc-shaped segment 111b are respectively connected to the first plate body 13. Wherein, hinge base is in the installation, and the bottom laminating of second plate body 14 is on the surface of cabinet board for first lock position 11 can avoid first lock position 11 atress deformation with cabinet board surface separation. Stability and firmness between the first plate body 13 and the second plate body 14 are further improved, and the first plate body 13 and the second plate body 14 are connected through reinforcing ribs 15.

Further, referring to fig. 6-9, in some embodiments, in order to improve the stability of the hinge base mounting on the cabinet panel, the connecting portion 12 is provided with a through hole 122 for passing a fastener. Wherein, still be equipped with two mounting holes 110 that supply the fastener to pass on current hinge base's fixed plate 1, through-hole 122 forms stable triangle-shaped structure with two mounting holes 110, is favorable to hinge base's stable in structure to be difficult for receiving fastener extrusion deformation, and when hinge base adopts the fastener fixed back, strengthen the fastening nature between hinge base and the cabinet board. Further, the through hole 122 may be provided on the protrusion 121a, or may be provided on other portions of the connecting portion 12; the bottom end face of the through hole 122 and the back face of the fixing plate 1 are located on the same plane, so that after the fastening member passes through the through hole 122 and is connected with the fixing plate 1, the connecting portion 12 and the whole hinge base are not deformed by the extrusion of the fastening member. The fastener of the invention can be a screw or a bolt or a rivet, etc., and is not limited herein; the through hole 122 may have a slot structure or an internal thread structure, which will not be described in detail herein.

Further preferably, the through hole 122 is a circular hole or a kidney-circular hole. Still further optimally, the through hole 122 may also be a counter-sunk structure. Still further, the longitudinal section of the through hole 122 may be rectangular, trapezoidal, or the like, and the through hole 122 is not limited thereto.

Further, referring to fig. 5, fig. 5 shows that two connecting portions 12 are disposed on one side of the fixing plate 1. The number of the connecting parts 12 can be one or more, and the connecting parts 12 are sequentially arranged on one side of the fixing plate 1 side by side, so that the mounting stability of the hinge base is improved, and the first buckling position 11 is prevented from being deformed due to stress.

Further, referring to fig. 10, in some embodiments, the connecting portion 12 is provided with a reinforcing portion 123 protruding outward in the second predetermined direction at an end away from the first fastening position 11. The reinforcing part 123 is bent, and meanwhile, the reinforcing part 123 and the connecting part 12 are made of a metal plate integrated piece, so that the overall strength is high, and the structure is firm. In the process of mounting the hinge base, the acting force applied to the reinforcing part 123 protruding outward in the second predetermined direction is opposite to the acting force applied to the first bending part 121, so that the reinforcing part 123 can limit the deformation of the first bending part 121, and the purpose of preventing the deformation of the connecting part 12 is achieved.

The fixing plate 1 of the invention is integrally formed by forming the connecting part 12 and the first buckling position 11 through a stamping process, and has low production and manufacturing cost and higher stability.

Referring to fig. 11-13, the present invention further provides a hinge assembly, which includes a fastening member 3 and the hinge base, wherein an elastic fastening structure fastened to the first fastening position 11 is disposed at a rear end of the fastening member 3.

Further, a second engaging position 16 is disposed on a side of the fixing plate 1 away from the connecting portion 12, and a hook portion 31 engaged with the second engaging position 16 is disposed at a front end of the engaging member 3. The front end and the rear end of the buckling piece 3 are buckled with the front end and the rear end of the hinge base respectively, and the overall stability of the hinge assembly is further improved.

In this embodiment, the elastic fastening structure includes a pressing member 4 and a spring 5, the pressing member 4 is rotatably disposed on the fastening member 3 through the rotating shaft 6, one end of the spring 5 is connected to the pressing member 4, the other end of the spring 5 is connected to the fastening member 3, the pressing member 4 is provided with a pressing portion 41 fastened to the first fastening position 11, the pressing portion 41 is located on one side close to the rotating shaft 6, the spring 5 is located on the other side away from the rotating shaft 6, under the action of the spring 5, the other side of the pressing member 4 can be jacked up, so that the pressing portion 41 rotates along the rotating shaft 6, that is, the pressing portion 41 presses to the inner side of the fastening member 3, and the pressing fastening is achieved on the first fastening position 11.

Further, pressing member 4 is equipped with guide part 42, and guide part 42 is equipped with the circular arc spigot surface, and guide part 42 is located the top that compresses tightly 41, when first lock position 11 is located guide part 42, extrudees the circular arc spigot surface through the mode of pressing for compress tightly 41 outside perk, make first lock position 11 get into the below that compresses tightly 41 fast, realize the lock joint to first lock position 11.

In this embodiment, please refer to fig. 12-13, a third limiting portion 43 for limiting a rotation range of the pressing member 4 is disposed at the bottom of the pressing member 4, the third limiting portion 43 abuts against the fastening member 3, when the spring 5 pushes the pressing member 4 to rotate to a certain degree, the third limiting portion 43 abuts against an inner wall surface of the fastening member 3, so as to install the spring 5 between the pressing member 4 and the fastening member 3, wherein the pressing member 4 and the fastening member 3 are both provided with cones for installing the spring 5, and the spring 5 is prevented from being disengaged. A handle 44 extending outward is further disposed on the other side of the pressing member 4, and the spring 5 is compressed by pressing the handle 44, so as to realize the first engaging position 11 where the pressing portion 41 is disengaged.

In this embodiment, referring to fig. 11-13, the locking member 3 includes a bottom plate 32 and side plates 33, the side plates 33 are disposed on two sides of the bottom plate 32, so that the bottom plate 32 and the side plates 33 on two sides form a U-shaped groove, the U-shaped groove can be used for installing components such as a damper, and the hook 31 is disposed on the side plates 33 on two sides and is matched with the two second locking positions 16. The fastener 3 may be formed by bending a sheet metal part, the middle position of which is defined as a bottom plate 32, and the two sides of which are defined as side plates 33. Further, two curb plates 33 all are equipped with first positioning portion 34, and fixed plate 1 is equipped with the constant head tank 18 with first positioning portion 34 matched with, and in the lock joint process, first positioning portion 34 need insert constant head tank 18 and just can carry out the lock joint installation, avoids the lock joint in opposite direction to and can realize that buckle spare 3 aims at first lock position 11 and second lock position 16.

Further, referring to fig. 1-13, the fixing plate 1 is provided with a positioning portion 19 extending to the U-shaped groove, and in the fastening process, the positioning portion 19 is attached to the inner wall surface of the side plate 33 to further guide and limit, so as to prevent the fastening member 3 from moving left and right.

In the present embodiment, please refer to fig. 11, the side plate 33 is provided with a protrusion 35 abutting against the fixing plate 1, that is, when the fastening state is performed, the protrusion 35 abuts against the fixing plate 1, on one hand, the fastening element 3 can be prevented from being loosened, and on the other hand, when the fastening element is detached, the protrusion 35 plays a role of pushing away the fixing plate 1, so that the pressing portion 41 is rapidly separated from the first fastening position 11, and the effect of rapid detachment is achieved.

In this embodiment, referring to fig. 11, an arc-shaped groove 311 protruding outward is disposed inside the hook portion 31, when in a fastening state, the arc-shaped groove 311 blocks the second fastening position 16 to prevent the second fastening position 16 from moving back and forth inside the hook portion 31, a guiding inclined surface 312 is disposed outside the hook portion 31, and when the second fastening position 16 abuts against the guiding inclined surface 312, the guiding inclined surface 312 can guide the second fastening position 16 to rapidly enter the arc-shaped groove 311.

The buckling and mounting mode of the hinge assembly of the embodiment is as follows: referring to fig. 12-13, the first engaging portion 11 is placed under the pressing portion 41, and the second engaging portion 16 is pushed to move toward the first engaging portion 11 under the guiding of the guiding slope 312 by pressing the fastener 3 of the card 1, so that the second engaging portion 16 enters the hook portion 31 quickly, thereby realizing the quick engaging and mounting of the fastener 3 and the hinge base.

The hinge assembly of the embodiment is disassembled in the following way: pressing handle portion 44 for spring 5 compresses, and drives compressing portion 41 and rotate, under the effect of pushing up of bellying 35, makes compressing portion 41 break away from first lock position 11 fast, just then take out second lock position 16 from hook portion 31 can, realize the quick dismantlement of fastener 3 and hinge base.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A hinge base is characterized by comprising a fixed plate, wherein one side of the fixed plate is provided with a connecting part, the connecting part comprises a first bending part protruding outwards in a first preset direction, and the connecting part is also provided with a through hole for a fastening piece to pass through; the fixing plate is provided with a first buckling position close to the connecting part and used for buckling with the rear end of the buckling piece, and the first buckling position comprises a second bending part protruding outwards in a second preset direction; wherein the first predetermined direction is opposite the second predetermined direction; at least one part of the cross section of the first bending part is arc-shaped, a protrusion protruding towards the first preset direction is arranged at the center of the first bending part, and the lower surface of the protrusion and the back surface of the fixing plate are positioned on the same plane; and a reinforcing part protruding outwards towards the second preset direction is arranged at one end of the connecting part far away from the first buckling position.

2. The hinge base as claimed in claim 1, wherein the first bending part further includes first arc-shaped sections respectively disposed at both sides of the protrusion, the first arc-shaped sections being connected to the fixing plate.

3. The hinge base as claimed in claim 2, wherein the second bending portion comprises a horizontal section and second arc-shaped sections respectively disposed at two sides of the horizontal section; the second arc-shaped section is connected with the fixing plate.

4. The hinge base of claim 3, wherein an end of the second curved section connected to the horizontal section has a cross-sectional area that gradually increases in a direction along an end of the second curved section connected to the fixing plate.

5. The hinge base of claim 4, wherein the fixing plate comprises a first plate and a second plate located below the first plate, the first plate being connected to the second plate;

the first arc-shaped section and the second arc-shaped section are respectively connected with the first plate body.

6. The hinge base of claim 5, wherein the first plate is connected to the second plate by a stiffener.

7. The hinge base of claim 1, wherein the through-hole is a circular hole or a kidney-circular hole.

8. A hinge assembly comprising a catch and a hinge base as claimed in any one of claims 1 to 7; the rear end of the fastener is provided with an elastic fastening structure fastened with the first fastening part.

9. The hinge assembly of claim 8, wherein the resilient latch structure comprises a pressing member and a spring, the pressing member is rotatably disposed on the latch member, one end of the spring is connected to the pressing member, the other end of the spring is connected to the latch member, and the pressing member has a pressing portion for fastening with the first fastening portion.

10. The hinge assembly as claimed in claim 8, wherein the fixing plate is provided with a second engaging portion at a side away from the connecting portion, and the front end of the engaging member is provided with a hook portion engaging with the second engaging portion.

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