CN219012288U - Eccentric blind hinge - Google Patents

Abstract

The utility model relates to the technical field of hardware supplies, in particular to an eccentric blind hinge. The eccentric blind hinge provided by the utility model comprises: a first page part adapted to be connected to one of the door body and the door frame; the second page part is suitable for being connected with one of the door frame and the door body; the rocker arm assembly comprises a first rocker arm and a second rocker arm, the first end of the first rocker arm is rotatably and slidably connected with the first page part, and the second end of the first rocker arm is hinged with the second page part; the first end of the second rocker arm is rotatably and slidably connected with the second page part, the second end of the second rocker arm is hinged with the first page part, and the middle section of the first rocker arm is hinged with the middle section of the second rocker arm; the rocker arm assembly is of an arch structure, and the rocker arm assembly is suitable for separating the door body from the door frame when the door body rotates to be opened, so that steps of the door body are avoided from the door frame. According to the eccentric blind hinge provided by the utility model, the rocker arm assembly can keep the distance between the door body and the door frame when the door body rotates, so that the eccentric blind hinge is beneficial to avoiding steps, and the hinge can be opened at a large angle.

Description

Eccentric blind hinge

Technical Field

The utility model relates to the technical field of hardware supplies, in particular to an eccentric blind hinge.

Background

A hinge is a mechanical device that connects two solids and allows relative rotation between the two. The hinge is connected with the door and the window, can conveniently close and open the door and the window, and is the most commonly used opening and closing structure. Hinges play an important role in people's life and occupy an important position in furniture hardware.

In the prior art, in order to improve the sound insulation effect and be favorable to pleasing to the eye, door body face part extends in the door body side, forms and is unfavorable for the pivoted step of door body, and the existence of step has restricted the opening angle of the door body, has reduced the fluxion of door opening, has deteriorated user experience.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defects that the hinge is limited by steps and is difficult to open at a large angle in the prior art, so as to provide the eccentric blind hinge.

The eccentric blind hinge provided by the utility model comprises:

a first page part adapted to be connected to one of the door body and the door frame;

the second page part is suitable for being connected with one of the door frame and the door body;

the rocker arm assembly comprises a first rocker arm and a second rocker arm, a first end of the first rocker arm is rotatably and slidably connected with the first page part, and a second end of the first rocker arm is hinged with the second page part;

the first end of the second rocker arm is rotatably and slidably connected with the second page part, the second end of the second rocker arm is hinged with the first page part, and the middle section of the first rocker arm is hinged with the middle section of the second rocker arm;

the rocker arm assembly is of an arch structure, and is suitable for separating the door body from the door frame when the door body is rotated to be opened, so that steps of the door body are prevented from being away from the door frame.

Optionally, the first rocker arm is of a -shaped structure, the second rocker arm is of an I-shaped structure, and the first rocker arm and the second rocker arm are hinged in a staggered mode.

Optionally, the first page part is provided with a first chute, a first end of the first rocker arm is connected with a first rod piece, and the first rod piece is clamped into the first chute and is suitable for moving and rotating in the first chute;

and/or the second page part is provided with a second chute, the first end of the second rocker arm is connected with a second rod piece, and the second rod piece is clamped into the second chute and is suitable for moving and rotating in the second chute.

Optionally, when the first page part is provided with a first chute, the first end of the first rocker arm is a first hinge sleeve, and the first hinge sleeve is rotationally connected with the first rod piece;

when the second sliding groove is formed in the second page part, the first end of the second rocker arm is a second hinge sleeve, and the second hinge sleeve is rotationally connected with the second rod piece.

Optionally, the first page portion includes first mounting and first installation component, first installation component with first rocking arm is connected, first mounting with the door body with one of them fixed connection of door frame, first mounting with first installation component passes through first adjustment subassembly and is connected, first adjustment subassembly is suitable for the regulation first installation component for the position of first mounting.

Optionally, the first installation component includes first installed part, first connecting piece, first installed part with first rocking arm is connected, first bar mounting groove has been seted up to first installed part, first mounting hole has been seted up to first connecting piece correspondence, first bar connecting groove has been seted up to first mounting piece, the extending direction of first bar connecting groove is perpendicular with the extending direction of first bar mounting groove, first connecting hole has been seted up to first connecting piece correspondence, first mounting hole and the inner wall of first connecting hole all revolve the screw thread, the first adjusting component includes a plurality of first connecting screw, first connecting screw is suitable for the part to run through first bar mounting groove and with first mounting hole threaded connection;

and the first connecting screw is suitable for penetrating through the first strip-shaped connecting groove partially and being in threaded connection with the first connecting hole.

Optionally, the first mounting orientation the one end of first connecting piece is fixed with the locating piece, the constant head tank has been seted up to first connecting piece correspondence, the extending direction of constant head tank with the extending direction of first bar spread groove is unanimous, first locating hole has been seted up to first mounting, the inner wall in first locating hole revolves threaded, first locating hole runs through the locating piece, and orientation the constant head tank, first adjusting part still includes first locating screw, first locating screw with first locating hole threaded connection, and be suitable for with the tank bottom butt of constant head tank.

Optionally, the second page or leaf portion includes second mounting and second mounting, the second mounting with the second rocking arm is connected, the second mounting with the door frame with one of them fixed connection of the door body, the second mounting has been seted up to the second mounting, the inner wall of second mounting soon has the screw thread, the second mounting has seted up the second mounting groove that corresponds, the second mounting with the second mounting passes through second connecting screw connection, the second connecting screw is suitable for the part to run through the second mounting groove and with second mounting hole threaded connection.

Optionally, the second mounting part is provided with a second positioning hole, the inner wall of the second positioning hole is screwed with threads, the second positioning hole penetrates through the second mounting part and faces towards the second fixing part, the eccentric blind hinge further comprises a second positioning screw, and the second positioning screw is in threaded connection with the second positioning hole and is suitable for being in butt joint with the second fixing part.

Optionally, the eccentric blind hinge further comprises a first base and a second base, the first base is provided with a first mounting groove, the first page part is suitable for being clamped into the first mounting groove and sliding along the extending direction of the first mounting groove, the second base is provided with a second mounting groove, and the second page part is suitable for being clamped into the second mounting groove and sliding along the extending direction of the second mounting groove.

The utility model has the following advantages:

1. the utility model provides an eccentric blind hinge, wherein a rocker arm assembly comprises a first rocker arm and a second rocker arm, wherein the first end of the first rocker arm is rotatably and slidably connected with a first page part, and the second end of the first rocker arm is hinged with a second page part; the first end and the rotatable sliding connection of second page part of second rocking arm, the second end and the first page part of second rocking arm are articulated, the intermediate section of first rocking arm is articulated with the intermediate section of second rocking arm, one of them and the door frame of first page part and second page part are connected, another AND gate body coupling, the rocking arm subassembly can make the door body keep the interval with the door frame when the door body rotates, when the door body or door frame is equipped with the step, avoid restricting the biggest rotation angle of the door body relative to the door frame because of the existence of step, the rocking arm subassembly is the arch structure, do benefit to and dodge the step, guarantee that the hinge can the wide-angle be opened.

2. According to the eccentric blind hinge provided by the utility model, the first rocker arm and the second rocker arm are hinged in a staggered manner, so that the occupation of the space of the first hinge part on the hinge part is reduced while the first hinge part can rotate relative to the second hinge part, in other words, the hinge part can be connected with a rocker arm assembly with a larger size, a large gap is reserved when the two hinge parts are unfolded, and the step avoidance is facilitated.

3. The first page part comprises a first fixing piece and a first installation component, the first fixing piece is fixedly connected with one of the door body and the door frame, the first installation component is connected with the first rocker arm, the position of the first installation component relative to the first fixing piece is adjusted, the position of the door body can be corrected and compensated, the second page part comprises a second fixing piece and a second installation piece, the second fixing piece is fixedly connected with one of the door frame and the door body, the second installation piece is connected with the second rocker arm, the position of the second installation piece relative to the second fixing piece is adjusted, and the position of the door body can be corrected and compensated.

4. According to the eccentric blind hinge provided by the utility model, the arrangement of the base is beneficial to the assembly of the hinge part and the rocker arm assembly, and the rocker arm assembly can be accommodated in the accommodating groove arranged on the base, so that the connection between the door body and the door frame is more attractive.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an assembled schematic view of an eccentric blind hinge according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an eccentric blind hinge according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing a second embodiment of an eccentric blind hinge according to the present utility model;

FIG. 4 is a schematic diagram showing the connection between the first fixing member and the first connecting member of the eccentric blind hinge according to the embodiment of the present utility model;

FIG. 5 is a schematic view of a rocker arm assembly of an eccentric blind hinge according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a first rocker arm of an eccentric blind hinge according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a second rocker arm of an eccentric blind hinge according to an embodiment of the present utility model;

fig. 8 is a schematic view of an embodiment of the eccentric blind hinge of the present utility model.

Reference numerals illustrate:

10. a first page portion; 11. a first fixing member; 111. a first bar-shaped connection groove; 112. a first fixing hole; 113. a positioning block; 114. a first positioning hole; 12. a first mounting member; 121. a first chute; 122. a first bar-shaped mounting groove; 13. a first connector; 131. a first mounting hole; 132. a first connection hole; 133. a positioning groove; 20. a second page portion; 21. a second fixing member; 211. a second mounting hole; 212. a second fixing hole; 22. a second mounting member; 221. a second chute; 222. a second mounting groove; 223. a second positioning hole; 30. a rocker arm assembly; 31. a first rocker arm; 311. a first rod member; 312. a first hinge sleeve; 313. connecting sleeves; 314. a cantilever; 32. a second rocker arm; 321. a second rod member; 322. a second hinge sleeve; 41. a first base; 411. a first seating groove; 42. a second base; 421. a second seating groove; 43. a cover plate; 51. a door body; 511. a step; 52. and a door frame.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Examples

Referring to fig. 1 to 8, an eccentric blind hinge provided in an embodiment of the present utility model includes:

a first page 10 adapted to be connected to one of the door body 51 and the door frame 52;

a second leaf 20 adapted to be connected to one of the door frame 52 and the door body 51;

the rocker arm assembly 30 comprises a first rocker arm 31 and a second rocker arm 32, wherein a first end of the first rocker arm 31 is rotatably and slidably connected with the first page part 10, and a second end of the first rocker arm 31 is hinged with the second page part 20;

the first end of the second rocker arm 32 is rotatably and slidably connected with the second page part 20, the second end of the second rocker arm 32 is hinged with the first page part 10, and the middle section of the first rocker arm 31 is hinged with the middle section of the second rocker arm 32;

the rocker arm assembly 30 has an arch structure, and the rocker arm assembly 30 is adapted to separate the door body 51 from the door frame 52 when the door body 51 is rotated open, so that the step 511 of the door body 51 is retracted from the door frame 52.

In this embodiment, the rocker arm assembly 30 includes a first rocker arm 31 and a second rocker arm 32, wherein a first end of the first rocker arm 31 is rotatably and slidably connected to the first page 10, and a second end of the first rocker arm 31 is hinged to the second page 20; the first end of the second rocker arm 32 is rotatably and slidably connected with the second page part 20, the second end of the second rocker arm 32 is hinged with the first page part 10, the middle section of the first rocker arm 31 is hinged with the middle section of the second rocker arm 32, one of the first page part 10 and the second page part 20 is connected with the door frame 52, the other is connected with the door body 51, the rocker arm assembly 30 can keep the distance between the door body 51 and the door frame 52 when the door body 51 rotates, when the door body 51 or the door frame 52 is provided with the step 511, the maximum rotation angle of the door body 51 relative to the door frame 52 is prevented from being limited due to the existence of the step 511, the rocker arm assembly 30 is of an arch structure, the step 511 is avoided, and the hinge can be opened at a large angle.

In the present embodiment, the structure of the rocker arm assembly 30 is not particularly limited, and as an embodiment, it may be a fold line structure; as another embodiment, it may be an arc structure, specifically, referring to fig. 5-7, the rocker arm assembly 30 is an arc structure formed by hinging a first rocker arm 31 with a second rocker arm 32, where the first rocker arm 31 is in a "" shape structure, the second rocker arm 32 is in an "i" shape structure, and the first rocker arm 31 and the second rocker arm 32 are hinged in a staggered manner.

In this embodiment, "staggered hinge" refers to that the first rocker arm 31 is connected to the middle section of the second rocker arm 32, a part of the inner wall of the first rocker arm 31 is located outside the outer wall of the second rocker arm 32, and a part of the outer wall of the first rocker arm 31 is located inside the inner wall of the second rocker arm 32, and referring to fig. 3 and 5, the first rocker arm 31 and the second rocker arm 32 are staggered hinge, so that the occupation of the space of the first page 10 can be reduced while the first page 20 can rotate relative to the second page, in other words, the page can be connected to the rocker arm assembly 30 with a larger size, which is more beneficial to leaving a large gap when the two pages are unfolded, and facilitating avoiding the step 511.

In this embodiment, the structure for realizing the rotatable sliding connection between the first rocker arm 31 and the first page portion 10 and the rotatable sliding connection between the second rocker arm 32 and the second page portion 20 is not particularly limited, and as an implementation manner, referring to fig. 3, the first page portion 10 is provided with a first chute 121, a first end of the first rocker arm 31 is connected with a first rod member 311, and the first rod member 311 is clamped into the first chute 121 and is suitable for moving and rotating in the first chute 121; the second hinge 20 is provided with a second chute 221, and a first end of the second rocker 32 is connected with a second rod 321, and the second rod 321 is clamped into the second chute 221 and is suitable for moving and rotating in the second chute 221.

In this embodiment, the connection manner of the first rocker arm 31 and the first rod member 311, and the connection manner of the second rocker arm 32 and the second rod member 321 are not particularly limited, and as an embodiment, the rocker arm and the rod member may be fixedly connected, and may be particularly welded; as another embodiment, the first end of the first rocker arm 31 is a first hinge sleeve 312, the first hinge sleeve 312 is rotatably connected to the first rod member 311, the first end of the second rocker arm 32 is a second hinge sleeve 322, and the second hinge sleeve 322 is rotatably connected to the second rod member 321.

In this embodiment, the first rod 311 extends into the first hinge sleeve 312, two ends of the first rod are rotatably and slidably connected to the first page 10, the second rod 321 extends into the second hinge sleeve 322, and two ends of the second rod are rotatably and slidably connected to the second page 20; similarly, the first rocker arm 31 is further provided with a hinge sleeve, and is hinged to the second page portion 20 through a hinge rod, the second rocker arm 32 is further provided with a hinge sleeve, and is hinged to the first page portion 10 through a hinge rod, and specifically, referring to fig. 6, when the first rocker arm 31 has a "" structure, that is, two cantilever arms 314 extend from the first end, a connecting sleeve 313 is inserted between the two cantilever arms 314, and then the connecting sleeve 313 sequentially passes through the hinge rod, so that the cantilever arms 314 are stable.

In this embodiment, the structure of the first page 10 is not specifically limited, and as an embodiment, the first page 10 includes a first fixing member 11 and a first mounting assembly, the first mounting assembly is connected with the first rocker arm 31, the first fixing member 11 is fixedly connected with one of the door body 51 and the door frame 52, the first fixing member 11 is connected with the first mounting assembly through a first adjusting assembly, and the first adjusting assembly is adapted to adjust the position of the first mounting assembly relative to the first fixing member 11.

Specifically, referring to fig. 2-4, the first mounting assembly includes a first mounting member 12 and a first connecting member 13, the first mounting member 12 is connected with the first rocker arm 31, the first mounting member 12 is provided with a first bar-shaped mounting groove 122, the first connecting member 13 is correspondingly provided with a first mounting hole 131, the first fixing member 11 is provided with a first bar-shaped connecting groove 111, the extending direction of the first bar-shaped connecting groove 111 is perpendicular to the extending direction of the first bar-shaped mounting groove 122, the first connecting member 13 is correspondingly provided with a first connecting hole 132, the first mounting hole 131 and the inner wall of the first connecting hole 132 are all screwed with threads, the first adjusting assembly includes a plurality of first connecting screws, and the first connecting screws penetrate through the first bar-shaped mounting groove 122 and are in threaded connection with the first mounting hole 131, and the first connecting screws penetrate through the first bar-shaped connecting groove 111 and are in threaded connection with the first connecting hole 132.

In this embodiment, the first page 10 includes a first fixing member 11 and a first mounting assembly, where the first fixing member 11 is fixedly connected to one of the door body 51 and the door frame 52, specifically, the first fixing member 11 is provided with a first fixing hole 112 and is fixedly connected to one of the door body 51 and the door frame 52 by a fixing screw; the first mounting block is connected to the first rocker arm 31, and the position of the door body 51 can be corrected and compensated by adjusting the position of the first mounting block relative to the first fixing member 11.

On the basis of the above embodiment, in a preferred embodiment, the positioning block 113 is fixed at one end of the first fixing member 11 facing the first connecting member 13, the first connecting member 13 is correspondingly provided with the positioning groove 133, the extending direction of the positioning groove 133 is consistent with that of the first strip-shaped connecting groove 111, the first fixing member 11 is provided with the first positioning hole 114, the inner wall of the first positioning hole 114 is screwed with threads, the first positioning hole 114 penetrates through the positioning block 113 and faces the positioning groove 133, and the first adjusting assembly further comprises a first positioning screw which is in threaded connection with the first positioning hole 114 and is in abutting contact with the bottom of the positioning groove 133.

In this embodiment, the positioning groove 133 is matched with the positioning groove 133, the extending direction of the positioning groove 133 is consistent with the extending direction of the first strip-shaped connecting groove 111, so that the first connecting piece 13 is beneficial to adjusting the position in the extending direction of the first strip-shaped connecting groove 111, meanwhile, the first fixing piece 11 is provided with the first positioning hole 114, the first positioning screw is in threaded connection with the first positioning hole 114, and the positioning of the door body 51 in the direction is realized by abutting the groove bottom of the positioning groove 133 after penetrating the first positioning hole 114.

Further, referring to fig. 4, the bottom of the positioning groove 133 may be an inclined surface, and the first positioning screw is a stainless steel ball screw.

On the basis of the above embodiment, in a preferred embodiment, the second leaf portion 20 includes a second fixing member 21 and a second mounting member 22, specifically, the second fixing member 21 is provided with a second fixing hole 212, and is fixedly connected with one of the door frame 52 and the door body 51 through a fixing screw; the second mounting piece 22 is connected with the second rocker arm 32, the second fixing piece 21 is fixedly connected with one of the door frame 52 and the door body 51, the second mounting hole 211 is formed in the second fixing piece 21, threads are screwed on the inner wall of the second mounting hole 211, the second mounting piece 22 is correspondingly formed with a second mounting groove 222, the second fixing piece 21 is connected with the second mounting piece 22 through a second connecting screw, and the second connecting screw penetrates through the second mounting groove 222 and is in threaded connection with the second mounting hole 211.

In this embodiment, the second hinge portion 20 includes a second fixing member 21 and a second mounting member 22, the second fixing member 21 is fixedly connected with one of the door frame 52 and the door body 51, the second mounting member 22 is connected with the second rocker arm 32, the second fixing member 21 is provided with a second mounting hole 211, the inner wall of the second mounting hole 211 is screwed with a thread, the second mounting member 22 is correspondingly provided with a second mounting groove 222, the second fixing member 21 is connected with the second mounting member 22 through a second connecting screw, the second connecting screw portion penetrates through the second mounting groove 222 and is in threaded connection with the second mounting hole 211, and the position of the door body 51 can be corrected and compensated by adjusting the depth of the second connecting screw screwed into the second mounting hole 211.

Further, the second mounting member 22 is provided with a second positioning hole 223, the inner wall of the second positioning hole 223 is screwed with threads, the second positioning hole 223 penetrates through the second mounting member 22 and faces the second fixing member 21, and the eccentric blind hinge further comprises a second positioning screw which is in threaded connection with the second positioning hole 223 and is abutted to the second fixing member 21.

In this embodiment, the second mounting member 22 is provided with a second positioning hole 223, the second positioning hole 223 penetrates through the second mounting member 22 and faces the second fixing member 21, the eccentric blind hinge further comprises a second positioning screw, and the second positioning screw is in threaded connection with the second positioning hole 223 and then abuts against the second fixing member 21, so that the second mounting member 22 is positioned.

Specifically, the second set screw adopts the wave bead screw of stainless steel material.

On the basis of the above-described embodiment, in a preferred embodiment, referring to fig. 1, the eccentric blind hinge further includes a first base 41 and a second base 42, the first base 41 is provided with a first seating groove 411, the first page 10 is adapted to be snapped into the first seating groove 411 and slid in an extending direction of the first seating groove 411, the second base 42 is provided with a second seating groove 421, and the second page 20 is adapted to be snapped into the second seating groove 421 and slid in an extending direction of the second seating groove 421.

In this embodiment, the arrangement of the base is favorable for assembling the hinge part and the rocker arm assembly 30, and the arrangement groove of the base can accommodate the rocker arm assembly 30, so that the connection between the door body 51 and the door frame 52 is more attractive.

Further, referring to fig. 1, a cover plate 43 is fixedly connected to the surface of the door frame 52 or the door body 51, and the cover plate 43 is fixed to the door frame by screws. The cover plate 43 can prevent dust from entering the page portion while making the product more beautiful.

The eccentric blind hinge provided by the embodiment has wide applicability, can be used for assembling the profile for the open hinge, can be used for assembling the profile for the door of the system and the profile for the scene of the door, and greatly reduces the types of factory stock.

Based on the specific implementation manner, the working principle of the eccentric blind hinge of the embodiment is as follows:

referring to fig. 8, the door frame 52 is provided with a mounting groove, the first base 41 is embedded in the mounting groove of the door frame 52, the first page 10 is installed in the first base 41, and is fixedly connected with the door frame 52 by a screw; the door body 51 is also provided with a mounting groove, the second base 42 is embedded into the mounting groove of the door body 51, the second page part 20 is arranged in the second base 42 and is fixedly connected with the door body 51 through a screw, the first page part 10 and the second page part 20 are connected through the rocker arm assembly 30, the rocker arm assembly 30 is of an arch structure, so that the step 511 is avoided during rotation, a gap is reserved between the door frame 52 and the door body 51 in the rotation process, the door body 51 is opened at a large angle conveniently, and the three-dimensional position of the door body 51 can be adjusted by adjusting the relative positions of the mounting piece and the fixing piece between the first page part 10 and the second page part 20.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. An eccentric blind hinge, comprising:

a first page (10) adapted to be connected to one of the door body (51) and the door frame (52);

a second page part (20) which is suitable for being connected with one of the door frame (52) and the door body (51);

the rocker arm assembly (30) comprises a first rocker arm (31) and a second rocker arm (32), wherein a first end of the first rocker arm (31) is rotatably and slidably connected with the first page part (10), and a second end of the first rocker arm (31) is hinged with the second page part (20);

the first end of the second rocker arm (32) is rotatably and slidably connected with the second page part (20), the second end of the second rocker arm (32) is hinged with the first page part (10), and the middle section of the first rocker arm (31) is hinged with the middle section of the second rocker arm (32);

the rocker arm assembly (30) is of an arch structure, and the rocker arm assembly (30) is suitable for separating the door body (51) from the door frame (52) when the door body (51) is rotated to be opened, so that the step (511) of the door body (51) is prevented from being away from the door frame (52).

2. The eccentric blind hinge of claim 1 wherein the first rocker arm (31) is of a "" configuration and the second rocker arm (32) is of a "i" configuration, the first rocker arm (31) being staggered with respect to the second rocker arm (32).

3. The eccentric blind hinge according to claim 1, characterized in that said first page (10) is provided with a first runner (121), a first end of said first rocker arm (31) being connected with a first lever (311), said first lever (311) being snapped into said first runner (121) and being adapted to move and rotate in said first runner (121);

and/or the second page part (20) is provided with a second chute (221), the first end of the second rocker arm (32) is connected with a second rod piece (321), and the second rod piece (321) is clamped into the second chute (221) and is suitable for moving and rotating in the second chute (221).

4. An eccentric blind hinge according to claim 3, characterized in that when the first page (10) is provided with a first runner (121), the first end of the first rocker arm (31) is a first hinge sleeve (312), the first hinge sleeve (312) being in rotational connection with the first lever (311);

when the second sliding groove (221) is formed in the second page part (20), the first end of the second rocker arm (32) is a second hinge sleeve (322), and the second hinge sleeve (322) is rotationally connected with the second rod piece (321).

5. The eccentric blind hinge according to claim 1, wherein the first page (10) comprises a first fixing member (11) and a first mounting assembly, the first mounting assembly being connected to the first rocker arm (31), the first fixing member (11) being fixedly connected to one of the door body (51) and the door frame (52), the first fixing member (11) being connected to the first mounting assembly by a first adjustment assembly, the first adjustment assembly being adapted to adjust the position of the first mounting assembly relative to the first fixing member (11).

6. The eccentric blind hinge according to claim 5, wherein the first mounting assembly comprises a first mounting member (12) and a first connecting member (13), the first mounting member (12) is connected with the first rocker arm (31), the first mounting member (12) is provided with a first strip-shaped mounting groove (122), the first connecting member (13) is correspondingly provided with a first mounting hole (131), the first fixing member (11) is provided with a first strip-shaped connecting groove (111), the extending direction of the first strip-shaped connecting groove (111) is perpendicular to the extending direction of the first strip-shaped mounting groove (122), the first connecting member (13) is correspondingly provided with a first connecting hole (132), the first mounting hole (131) and the inner wall of the first connecting hole (132) are both screwed with threads, and the first adjusting assembly comprises a plurality of first connecting screws which are suitable for penetrating through the first strip-shaped mounting groove (122) partially and being connected with the first mounting hole (131) in a threaded manner;

and the first connecting screw is suitable for penetrating through the first strip-shaped connecting groove (111) partially and being in threaded connection with the first connecting hole (132).

7. The eccentric blind hinge according to claim 6, wherein a positioning block (113) is fixed at one end of the first fixing member (11) facing the first connecting member (13), a positioning groove (133) is correspondingly formed in the first connecting member (13), the extending direction of the positioning groove (133) is consistent with that of the first strip-shaped connecting groove (111), a first positioning hole (114) is formed in the first fixing member (11), threads are screwed on the inner wall of the first positioning hole (114), the first positioning hole (114) penetrates through the positioning block (113) and faces the positioning groove (133), and the first adjusting assembly further comprises a first positioning screw which is in threaded connection with the first positioning hole (114) and is suitable for being in butt joint with the groove bottom of the positioning groove (133).

8. The eccentric blind hinge according to any one of claims 1-7, wherein the second leaf (20) comprises a second fixing member (21) and a second mounting member (22), the second mounting member (22) is connected with the second rocker arm (32), the second fixing member (21) is fixedly connected with one of the door frame (52) and the door body (51), a second mounting hole (211) is formed in the second fixing member (21), a second mounting groove (222) is formed in the inner wall of the second mounting hole (211) in a screwed manner, the second fixing member (21) is connected with the second mounting member (22) through a second connecting screw, and the second connecting screw is suitable for penetrating through the second mounting groove (222) partially and being connected with the second mounting hole (211) in a screwed manner.

9. The eccentric blind hinge of claim 8, wherein the second mounting member (22) is provided with a second positioning hole (223), an inner wall of the second positioning hole (223) is screwed, the second positioning hole (223) penetrates through the second mounting member (22) and faces the second fixing member (21), and the eccentric blind hinge further comprises a second positioning screw which is in threaded connection with the second positioning hole (223) and is suitable for being abutted with the second fixing member (21).

10. The eccentric blind hinge according to any one of claims 1-7, further comprising a first base (41) and a second base (42), wherein the first base (41) is provided with a first seating groove (411), wherein the first page (10) is adapted to be snapped into the first seating groove (411) and slide in the direction of extension of the first seating groove (411), wherein the second base (42) is provided with a second seating groove (421), wherein the second page (20) is adapted to be snapped into the second seating groove (421) and slide in the direction of extension of the second seating groove (421).

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