CN110566071A

CN110566071A - World hinge

Info

Publication number: CN110566071A
Application number: CN201910870887.2A
Authority: CN
Inventors: 胡神赐
Original assignee: DONGGUAN SHENGANG PRECISION HARDWARE ELECTRONICS Co Ltd
Current assignee: DONGGUAN SHENGANG PRECISION HARDWARE ELECTRONICS Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2019-12-13

Abstract

The invention belongs to the technical field of hardware fittings, and particularly relates to a world hinge which comprises a first member, a second member, a connecting mechanism and a buffer part, wherein the connecting mechanism is connected between the first member and the second member, the left end of the first member is provided with a mounting part, the front end surface of the mounting part is flush with the front end surface of the first member, the mounting part is provided with a mounting hole penetrating through the front end surface of the mounting part and the rear end surface of the mounting part, the buffer part is inserted into the mounting hole, the surface of the buffer part is provided with an annular limiting step, the annular limiting step is abutted against the front end surface of the mounting part, the buffer part plays a buffer role in the closing process, the buffer part is easy to lose efficacy due to frequent door opening or window actions, and the buffer part is arranged in the mounting part, when the buffer part fails, the buffer part only needs to be pulled out of the mounting hole and replaced, the top and bottom hinges do not need to be disassembled for replacement.

Description

World hinge

Technical Field

The invention belongs to the technical field of hardware accessories, and particularly relates to a world hinge.

Background

A world hinge is a mechanical device used to connect two solids and allow rotation between them. The tradition is arranged in connecting the world hinge of cabinet body and cabinet door, generally there is first component, the second component and connect the connecting piece of first component and second component, first component comprises two casings, form between two casings and hold the cavity, hold and install eccentric bolt in the cavity, preforming and buffer, the recess that is provided with in the casing, the head holding of eccentric bolt is in the recess, the preforming sets up in the opening part of recess, close the back with two casing lids, the preforming is in with spacing eccentric bolt's head and recess with the inner wall butt of casing.

However, the existing world hinge has the following disadvantages:

1. Because the buffer parts are arranged in the accommodating cavities in the two shells, the buffer parts are easy to damage under the condition that the top and bottom hinges are frequently opened and closed, and the buffer parts can be replaced only after the two shells are disassembled when being replaced, so that the replacement is difficult;

2. During the installation, need close the lid at the opening part of recess, close two casing lids again, if displacement or not hard up condition appear in the preforming, can lead to the world hinge to appear the deviation when adjusting left and right positions.

Disclosure of Invention

The invention aims to provide a world hinge, and aims to solve the technical problem that buffer parts of the world hinge are difficult to replace in the prior art.

In order to achieve the above object, an embodiment of the present invention provides a world hinge, including a first member, a second member, a connecting mechanism and a buffering member, where the connecting mechanism is connected between the first member and the second member, a mounting portion is disposed at a left end of the first member, a front end surface of the mounting portion is flush with a front end surface of the first member, the mounting portion is provided with a mounting hole penetrating through the front end surface of the mounting portion and a rear end surface of the mounting portion, the buffering member is inserted into the mounting hole, an annular limiting step is disposed on a surface of the buffering member, and the annular limiting step abuts against the front end surface of the mounting portion.

Optionally, the first member includes a first housing and a second housing, the mounting portion is disposed at a left end of the second housing, the first housing is provided with an upper groove, the second housing is provided with a lower groove, the upper groove and the lower groove form an accommodating cavity, the front end surface of the first housing is provided with a plurality of upper notches, the front end surface of the second housing is provided with a plurality of lower notches, and each upper notch and each lower notch form a first adjusting opening, a second adjusting opening, and a clearance opening.

Optionally, the connecting mechanism comprises a connecting component, a sliding block, a fixed cantilever iron sheet, an adjusting bolt and an eccentric bolt, two fixed cantilever iron sheets are arranged, the two fixed cantilever iron sheets clamp the sliding block and are arranged in the accommodating cavity, the right end of the fixed cantilever iron sheet is connected with the connecting component, the slide block is provided with an adjusting hole and a limiting groove, the nut of the adjusting bolt is rotatably arranged in the first adjusting opening and is used for adjusting the front and back positions of the sliding block, a sliding groove is arranged in the limiting groove, the fixed cantilever iron sheet is provided with a connecting sheet, the connecting sheet is inserted into the sliding groove, the screw rod of the eccentric bolt penetrates through the connecting sheet, the nut of the eccentric bolt is rotatably arranged in the limiting groove and used for adjusting the left position and the right position of the fixed cantilever iron sheet, and a limiting boss used for covering the limiting groove is arranged in the upper groove.

optionally, a plurality of first strip-shaped holes are formed in the lower groove, and a plurality of first protruding strips respectively matched with the first strip-shaped holes are formed on the lower end surface of the slider.

optionally, a plurality of second strip-shaped holes are formed in the fixed cantilever iron sheet, and a plurality of second protruding strips respectively matched with the second strip-shaped holes are arranged on the upper end face of the sliding block.

Optionally, a guide notch is formed in the lower end face of the fixed cantilever iron sheet, a guide block is arranged on the lower end face of the sliding block, and the guide block extends into the guide notch.

Optionally, the connecting assembly is disposed in the fixed cantilever iron sheet, and the connecting assembly includes a first connecting arm, a second connecting arm, a third connecting arm, and a spring; the front end of the fixed cantilever iron sheet is provided with a first connecting part, and the right end of the fixed cantilever iron sheet is provided with a second connecting part;

The third connecting arm is pivoted with the fixed cantilever iron sheet through a pivoting shaft, one end of the spring is fixed in the fixed cantilever iron sheet, and the other end of the spring is contacted with the third connecting arm;

The first connecting arm is pivoted with the first connecting part through a pivoting shaft, one end of the first connecting arm is contacted with the third connecting arm, and the other end of the first connecting arm is pivoted with the second component through the pivoting shaft;

One end of the second connecting arm is pivoted with the second connecting part through a pivoting shaft, and the other end of the second connecting arm is pivoted with the second member through a pivoting shaft.

optionally, a surface of each pivot shaft is provided with a copper sleeve for noise reduction.

Optionally, the second member comprises a mounting seat, a moving seat, an adjusting seat, a first bevel gear, a second bevel gear and a connecting rod, and the mounting seat comprises a receiving groove and a mounting groove; the movable seat is arranged in the mounting groove, a guide shaft is further arranged between the movable seat and the mounting groove, and the movable seat is connected with the connecting mechanism; the upper end of the connecting rod is in threaded connection with the movable seat, the lower end of the connecting rod penetrates through the mounting groove to the accommodating groove, the first bevel gear is connected to the lower end of the connecting rod, the adjusting seat is arranged in the accommodating groove, the second bevel gear is in rotary connection with the adjusting seat, and the first bevel gear is in meshed connection with the second bevel gear.

Optionally, the front end surface of the first member is provided with a decorative plate for shielding the first adjustment opening and the second adjustment opening.

One or more technical solutions in the top-bottom hinge provided by the embodiment of the present invention have at least one of the following technical effects:

When the top and bottom hinge is used, the first component is arranged on a door frame or a window frame, the front end face of the first component is flush with the surface of the door frame or the window frame, namely the surface of the door frame or the window frame is flush with the front end face of the mounting part, the second component is connected with a door or a window, when the door or the window is opened and closed, the second component is opened and closed with the first component along the connecting mechanism, the inner side face of the door is firstly contacted with the buffer piece and then closed, the annular limiting step limiting buffer piece is arranged in the mounting hole, the buffer piece plays a buffering role in the closing process, the buffer piece is easy to lose efficacy due to frequent actions of opening and closing the door or the window, and the buffer piece is arranged in the mounting part, when the buffer piece fails, the buffer piece only needs to be pulled out of the mounting hole and replaced, the top and bottom hinge does not need to.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a top-bottom hinge according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the top-bottom hinge provided in fig. 1 after hiding the first housing and the mounting seat.

Fig. 3 is a schematic structural view of a connecting mechanism in the top-bottom hinge provided in fig. 1.

Fig. 4 is a cross-sectional view of the world hinge provided in fig. 3.

Fig. 5 is a schematic structural view of a second housing in the top-bottom hinge provided in fig. 1.

Fig. 6 is a schematic structural diagram of a first housing in the top-bottom hinge provided in fig. 1.

Fig. 7 is a schematic structural view of a fixed cantilever iron sheet in the top-bottom hinge provided in fig. 2.

fig. 8 is a schematic structural view of a slider in the top-bottom hinge provided in fig. 2.

Fig. 9 is another structural diagram of the slider in the top-bottom hinge provided in fig. 8.

Fig. 10 is a schematic structural view of a second member in the top-bottom hinge provided in fig. 1.

Fig. 11 is a schematic structural view of a mounting seat in the top-bottom hinge provided in fig. 10.

Fig. 12 is a schematic view showing the structure of the moving seat and the adjusting seat in the top-bottom hinge provided in fig. 10.

Wherein, in the figures, the respective reference numerals:

10-first member 11-mounting portion 12-mounting hole

13-first housing 131-upper groove 132-upper notch

133, limit boss 14, second shell 141 and lower groove

142-lower notch 143-first strip-shaped hole 20-second component

21-mounting seat 211-accommodating groove 212-mounting groove

22-moving seat 23-adjusting seat 24-first bevel gear

25-second bevel gear 26-connecting rod 30-connecting mechanism

31-connecting member 311-first connecting arm 3112-abutment

312-second connecting arm 313-third connecting arm 3131-positioning groove

3132 projection 314 spring 32 slider

321-adjusting hole 322-limiting groove 323-sliding groove

324-first rib 325-second rib 326-guide block

33-fixed cantilever iron sheet 331-connecting sheet 332-second strip-shaped hole

333-guide notch 334-first connecting part 335-second connecting part

34-adjusting bolt 35-eccentric bolt 40-buffer piece

41-annular spacing step 50-decorative board.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in FIGS. 1-12, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the invention.

in the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed 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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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

In one embodiment of the present invention, as shown in fig. 1-2, a top and bottom hinge is provided, comprising a first member 10, a second member 20, a connecting mechanism 30 and a buffer 40, wherein the connecting mechanism 30 is connected between the first member 10 and the second member 20. Referring to the coordinate axis of fig. 1, the first member 10 has the front and rear end faces which are arranged oppositely, the left and right end faces which are arranged oppositely and the upper and lower end faces which are arranged oppositely, the left end of the first member 10 is provided with the mounting portion 11, the front end face of the mounting portion 11 is flush with the front end face of the first member 10, as shown in fig. 5, the mounting portion 11 is provided with a mounting hole 12 which runs through the front end face of the mounting portion 11 and the rear end face of the mounting portion 11, the buffer member 40 is inserted into the mounting hole 12, the surface of the buffer member 40 is provided with an annular limiting step 41, and the annular limiting step 41 is abutted to the front end face of the mounting.

Specifically, when in use, the first member 10 is installed on a door frame or a window frame, the front end surface of the first member 10 is flush with the surface of the door frame or the window frame, that is, the surface of the door frame or the window frame is flush with the front end surface of the installation part 11, the second member 20 is connected with the door or the window, when the door or the window is opened and closed, the second member 20 is guided by the connection mechanism 30 to be opened and closed with the first member 10, when the door or the window is closed, the inner side surface of the door is firstly contacted with the buffer 40 and then closed, the annular limiting step 41 limits the buffer 40 in the installation hole 12, the buffer 40 plays a buffer role in the closing process, and under the action of the annular limiting step 41, the buffer 40 cannot be pressed down by the door or the window to be separated from the installation hole 12 towards the rear end surface of the installation part 11, and even if the buffer 40 is easily failed due to the action, because the buffering member 40 is arranged in the mounting portion 11, when the buffering member 40 fails, the buffering member 40 only needs to be pulled out from the mounting hole 12 in a direction opposite to the door or the window and replaced, the whole world hinge does not need to be disassembled, the replacement of parts can be realized, the operation is simple and convenient, the maintenance cost of the world hinge in the later period can be greatly reduced, and the practicability is high.

In another embodiment of the present invention, as shown in fig. 1 to 6, the first member 10 includes a first housing 13 and a second housing 14, the mounting portion 11 is disposed at a left end of the second housing 14, the first housing 13 is provided with an upper groove 131, the second housing 14 is provided with a lower groove 141, the upper groove 131 and the lower groove 141 are combined into an accommodating chamber, a front end surface of the first housing 13 is provided with a plurality of upper notches 132, a front end surface of the second housing 14 is provided with a plurality of lower notches 142, each of the upper notches 132 and each of the lower notches 142 are combined into a first adjusting opening, a second adjusting opening and a clearance opening, the first housing 13 is provided with a plurality of first fixing holes, the second housing 14 is provided with a plurality of second fixing holes, fixing bolts sequentially penetrate the first fixing holes and the second fixing holes to fixedly connect the first housing 13 and the second housing 14, specifically, during installation, the connecting mechanism 30 is disposed in the accommodating cavity, one end of the connecting mechanism 30 passes through the evacuation opening and extends out of the accommodating cavity, and is connected to the second member 20, the connecting mechanism 30 can be adjusted through the first adjusting opening and the second adjusting opening, and the first fixing hole and the second fixing hole are sequentially penetrated through by the fixing bolt to fixedly connect the first casing 13 and the second casing 14, so that the installation is simple.

In addition, in this embodiment, the first adjusting opening is used for limiting the adjusting member for adjusting the front-back position of the connecting mechanism 30, the second adjusting opening is used for limiting the adjusting member for adjusting the left-right position of the connecting mechanism 30, and the clearance is used for avoiding the connecting assembly 31, specifically, when the first member 10 and the second member 20 are opened and closed, the clearance can avoid the connecting assembly 31, so that interference on the ground member 10 or the second member 20 is avoided, and normal opening and closing of the first member 10 and the second member 20 are ensured.

In another embodiment of the present invention, as shown in fig. 2 to 9, the connecting mechanism 30 includes a connecting assembly 31, a sliding block 32, a fixed cantilever iron sheet 33, an adjusting bolt 34 and an eccentric bolt 35, the fixed cantilever iron sheet 33 sandwiches the sliding block 32 and is placed in the accommodating cavity, the right end of the fixed cantilever iron sheet 33 is connected to the connecting assembly 31, an adjusting hole 321 and a limiting groove 322 are provided on the front end surface of the sliding block 32, the nut of the adjusting bolt 34 is rotatably disposed in the first adjusting opening, the screw of the adjusting bolt 34 is in threaded connection with the adjusting hole 321, and the adjusting bolt 34 is screwed to adjust the front and rear positions of the sliding block 32.

further, a sliding groove 323 is formed in the limiting groove 322, a connecting piece 331 is arranged on the fixed cantilever iron sheet 33, the connecting piece 331 is inserted into the sliding groove 323, a screw of the eccentric bolt 35 penetrates through the connecting piece 331, a nut of the eccentric bolt 35 is rotatably arranged in the limiting groove 322 and used for adjusting the left and right positions of the fixed cantilever iron sheet 33, and a limiting boss 133 used for covering the limiting groove 322 is arranged in the upper groove 131. Specifically, the first housing 13 and the second housing 14 are covered, in this way, the fixed cantilever iron sheet 33 encloses the sliding block 32 and is placed in the containing cavity, the nut of the adjusting bolt 34 is rotatably disposed in the first adjusting opening, the limiting boss 133 covers the opening of the limiting groove 322, so that the nut of the eccentric bolt 35 is limited in the limiting groove 322 to rotate, the adjusting bolt 34 is screwed, the screw of the adjusting bolt 34 drives the sliding block 32 to move back and forth, the sliding block 32 drives the fixed cantilever iron sheet 33 to move back and forth, i.e., the connecting assembly 31 moves back and forth, so as to achieve the purpose that the second member 20 moves back and forth, the eccentric bolt 35 is screwed, the screw of the eccentric bolt 35 drives the connecting piece 331 to move left and right, so as to drive the connecting assembly 31 to move left and right, so as to achieve the second member 20 to move left and right along the first member 10, by disposing the limiting boss 133 in the upper groove 131, the limiting boss 133 is directly covered with the opening of the limiting groove 322, so that the situation that the existing pressing sheet is covered to cause pressing sheet displacement is avoided, the eccentric bolt 35 is adjusted to have larger error, the step of installing the pressing sheet is omitted, the installation step is simplified, and the production efficiency is improved.

in another embodiment of the present invention, as shown in fig. 5 and 9, a plurality of first bar-shaped holes 143 are disposed in the lower groove 141, and the lower end surface of the slider 32 is provided with first protruding strips 324 matching with the first bar-shaped holes 143. Specifically, the length of the first protruding strip 324 is smaller than the length of the first strip-shaped hole 143, and when the adjusting bolt 34 is screwed, the first protruding strip 324 slides in the first strip-shaped hole 143 along the front and rear end surfaces of the first housing 13, so that the moving stability of the slider 32 during front and rear adjustment is improved, and the slider 32 is prevented from moving left and right during movement.

Further, the number of the first bar-shaped holes 143 is two, and the number of the first protruding strips 324 is two, specifically, by providing two first bar-shaped holes 143 and two first protruding strips 324, the stability of the first protruding strips 324 sliding along the first bar-shaped holes 143 is further improved, and the stability of use can be satisfied by processing two first bar-shaped holes 143 and two first protruding strips 324, and the processing amount is reduced.

In another embodiment of the present invention, as shown in fig. 3, 7 and 8, a plurality of second elongated holes 332 are formed in the fixed suspension iron sheet 33, and a second protruding strip 325 matching with the second elongated holes 332 is formed on the upper end surface of the sliding block 32. Specifically, when adjusting eccentric bolt 35, the nut of eccentric bolt 35 rotates in spacing groove 322, and the screw rod of eccentric bolt 35 and connection piece 331 butt and promote fixed cantilever iron sheet 33 and move about, and second bar hole 332 moves about along second sand grip 325, has improved the stability that fixed cantilever iron sheet 33 moved about along slider 32.

Further, the number of the second strip-shaped holes 332 is two, the number of the second protruding strips 325 is two, specifically, by arranging the two second strip-shaped holes 332 and the two second protruding strips 325, the stability of the second protruding strips 325 sliding along the second strip-shaped holes 332 is further improved, and the stability of use can be met by processing the two second strip-shaped holes 332 and the two second protruding strips 325, and the processing amount is reduced.

In another embodiment of the present invention, as shown in fig. 2 to 4 and 7, the lower end surface of the fixed suspension iron sheet 33 is provided with a guide notch 333, the lower end surface of the slider 32 is provided with a guide block 326, and the guide block 326 extends into the guide notch 333. Specifically, when the fixed cantilever iron sheet 33 clamps the slider 32, the guide block 326 is inserted into the guide notch 333, and when the slider 32 moves back and forth, the second protruding strip 325 and the guide block 326 respectively exert thrust on the upper end surface and the lower end surface of the fixed cantilever iron sheet 33, thereby ensuring that the upper end surface and the lower end surface of the fixed cantilever iron sheet 33 are both stressed, thereby improving the stability of moving back and forth, and when the fixed cantilever iron sheet 33 moves left and right along the slider 32, the guide block 326 moves left and right along the guide notch 333, and corresponds to the second strip-shaped hole 332 moving left and right along the second protruding strip 325, thereby improving the stability of moving left and right of the fixed cantilever iron sheet 33 along the slider 32.

In another embodiment of the present invention, as shown in fig. 2 to 4, the connecting assembly 31 is disposed in the fixed cantilever iron sheet 33, and the connecting assembly 31 includes a first connecting arm 311, a second connecting arm 312, a third connecting arm 313 and a spring 314; the front end of the fixed cantilever iron sheet 33 is provided with a first connecting part 334, and the right end of the fixed cantilever iron sheet 33 is provided with a second connecting part 335.

Further, the third connecting arm 313 is pivotally connected to the fixed cantilever iron sheet 33 by a pivot shaft (not shown), a positioning groove 3131 is disposed at a rear end of the third connecting arm 313, and a protrusion 3132 is disposed at a front end of the third connecting arm 313.

Further, one end of the spring 314 is fixed to the fixed cantilever iron sheet 33, and the other end thereof extends into the positioning groove 3131. The first connecting arm 311 extends into the first connecting part 334 and is pivotally connected to the first connecting part 334 through a pivot shaft; an abutting portion 3112 is provided at one end of the first connecting arm 311, the abutting portion 3112 extends into the fixed suspension iron piece 33 and contacts with the boss 3132, and the other end of the first connecting arm 311 is connected to the second member 20.

Further, one end of the second connecting arm 312 is pivotally connected to the second connecting portion 335 through a pivot shaft, and the other end is pivotally connected to the second member 20 through a pivot shaft.

Specifically, when the door or the window is closed, the second member 20 disposed in the door or the window pushes the first connecting arm 311 and the second connecting arm 312 to rotate, the first connecting arm 311 pushes the third connecting arm 313 immediately, so that the positioning groove 3131 abuts against one end of the spring 314, the spring 314 is stressed and generates resistance, the door or the window is subjected to the resistance of the spring 314 during the closing process to have a buffering effect, and when the door or the window is slowly closed, the fixed cantilever iron sheet 33 and the second member 20 are connected through the first connecting arm 311 and the second connecting arm 312, so that the bearing capacity of the connecting assembly 31 is improved.

In another embodiment of the present invention, as shown in fig. 10 to 12, the second member 20 includes a mounting seat 21, a moving seat 22, an adjusting seat 23, a first bevel gear 24, a second bevel gear 25, and a connecting rod 26

The installation seat 21 includes an accommodation groove 211 and an installation groove 212 for closing the door or the window, and a first connection arm 311 and a second connection arm 312 are accommodated in the installation groove 212. The movable seat 22 is arranged in the mounting groove 212, a guide shaft for guiding is further arranged between the movable seat 22 and the mounting groove 212, and the movable seat 22 is connected with the connecting mechanism 30; the upper end of the connecting rod 26 is in threaded connection with the moving seat 22, the lower end of the connecting rod 26 passes through the mounting groove 212 to the accommodating groove 211, the first bevel gear 24 is connected to the lower end of the connecting rod 26, the adjusting seat 23 is arranged in the accommodating groove 211, the second bevel gear 25 is in rotational connection with the adjusting seat 23, the first bevel gear 24 and the second bevel gear 25 are in meshed connection, and a cross groove for rotating the second bevel gear 25 is arranged at one end of the second bevel gear 25, which is back to the first bevel gear 24. Specifically, an adjusting screwdriver is inserted into the cross-shaped groove to rotate the second bevel gear 25, the second bevel gear 25 drives the first bevel gear 24 to rotate, so that the connecting rod 26 is driven to rotate, the movable seat 22 is driven to move up and down, and the up-and-down position gap between the first member 10 and the second member 20 is adjusted.

In another embodiment of the present invention, a surface of each pivot shaft is provided with a copper sleeve for noise reduction. Specifically, the surface of each pivot shaft is sleeved with a copper sleeve (not shown), so that the abrasion of the opening and closing door or the window pivot shaft can be reduced, the silencing effect can be achieved, and the use comfort is improved.

In another embodiment of the present invention, the front end surface of the first member 10 is provided with a decorative plate 50 for shielding the first adjustment opening and the second adjustment opening, and the decorative plate 50 is provided with an escape opening for escaping from the buffer member 40, specifically, by providing a paper-packing plate for shielding the first adjustment opening and the second adjustment opening, so that the first member 10 is prevented from being damaged due to dust entering the first member 10.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a world hinge, its characterized in that, includes first component, second component, coupling mechanism and bolster, coupling mechanism connect in first component with between the second component, the left end of first component is provided with the installation department, the preceding terminal surface of installation department with the preceding terminal surface of first component flushes, the installation department is provided with and runs through the mounting hole of terminal surface and installation department rear end face before the installation department, the bolster inserts in the mounting hole, the surface of bolster is provided with annular spacing step, annular spacing step with terminal surface butt before the installation department.

2. The hinge according to claim 1, wherein the first member includes a first housing and a second housing, the mounting portion is disposed at a left end of the second housing, the first housing is provided with an upper groove, the second housing is provided with a lower groove, the upper groove and the lower groove are combined to form a receiving chamber, a front end surface of the first housing is provided with a plurality of upper notches, a front end surface of the second housing is provided with a plurality of lower notches, and each upper notch and each lower notch are combined to form a first adjusting opening, a second adjusting opening and a clearance avoiding opening.

3. The top-bottom hinge according to claim 2, wherein the connecting mechanism comprises a connecting assembly, two sliding blocks, two fixed cantilever iron sheets, an adjusting bolt and an eccentric bolt, the fixed cantilever iron sheets are arranged in two, the two fixed cantilever iron sheets sandwich the sliding block and are arranged in the accommodating cavity, the right end of the fixed cantilever iron sheet is connected with the connecting assembly, the sliding block is provided with an adjusting hole and a limiting groove, the nut of the adjusting bolt is rotatably arranged in the first adjusting opening and is used for adjusting the front-back position of the sliding block, the limiting groove is provided with a sliding groove, the fixed cantilever iron sheet is provided with a connecting sheet, the connecting sheet is inserted into the sliding groove, the screw of the eccentric bolt passes through the connecting sheet, the nut of the eccentric bolt is rotatably arranged in the limiting groove and is used for adjusting the left-right position of the fixed cantilever iron sheet, and a limiting boss used for covering the limiting groove is arranged in the upper groove.

4. The hinge according to claim 3, wherein the lower groove has a plurality of first holes, and the lower end surface of the slider has a plurality of first ribs respectively matching with the first holes.

5. The top-bottom hinge as claimed in claim 3, wherein the fixed suspension arm iron plate has a plurality of second slots, and the upper end surface of the sliding block has a plurality of second ribs respectively matching with the second slots.

6. The top-bottom hinge as claimed in claim 3, wherein the lower end surface of the fixed cantilever iron sheet is provided with a guiding notch, and the lower end surface of the sliding block is provided with a guiding block, and the guiding block extends into the guiding notch.

7. The sky and ground hinge according to any one of claims 3 to 6, wherein the connecting assembly is arranged in the fixed cantilever iron sheet, and comprises a first connecting arm, a second connecting arm, a third connecting arm and a spring; the front end of the fixed cantilever iron sheet is provided with a first connecting part, and the right end of the fixed cantilever iron sheet is provided with a second connecting part;

8. the hinge according to claim 7, wherein a surface of each pivot shaft is provided with a copper sheath for noise reduction.

9. The sky and ground hinge of any one of claims 1 to 6, wherein the second member comprises a mounting seat, a moving seat, an adjusting seat, a first bevel gear, a second bevel gear and a connecting rod, the mounting seat comprises a receiving groove and a mounting groove; the movable seat is arranged in the mounting groove, a guide shaft is further arranged between the movable seat and the mounting groove, and the movable seat is connected with the connecting mechanism; the upper end of the connecting rod is in threaded connection with the movable seat, the lower end of the connecting rod penetrates through the mounting groove to the accommodating groove, the first bevel gear is connected to the lower end of the connecting rod, the adjusting seat is arranged in the accommodating groove, the second bevel gear is in rotary connection with the adjusting seat, and the first bevel gear is in meshed connection with the second bevel gear.

10. a world hinge according to any one of claim 2 to 6, characterized in that, the front end face of the first member is provided with a decorative plate for shielding the first adjustment opening and the second adjustment opening.