CN208056900U - A sky-earth hinge with a buffer device - Google Patents

Abstract

The utility model discloses a top and bottom hinge with a buffer device, including a first component, a second component and an articulated assembly, wherein a damping tube, a spring and a spring cantilever are arranged in the first component, one end of the spring is fixedly connected to the first component, and the other end is movably abutted against the spring cantilever; the articulated assembly includes a folding cantilever and an external cantilever, wherein one end of the folding cantilever is arranged in the first component and in contact with the damping tube; the other end of the folding cantilever is hinged to the second component, and the middle part of the folding cantilever is rotatably fixed to the first component through a fixed pin shaft; one end of the external cantilever is hinged to the second component, and the other end is arranged in the first component and in contact with the spring cantilever. The utility model provides a top and bottom hinge with a closed buffer structure, which can provide sufficient closing force for closing doors and windows, and can also make the closing speed moderate and stable.

Description

A sky-earth hinge with a buffer device

technical field

The invention relates to a hinge device, in particular to a sky-earth hinge with a buffer device.

Background technique

A heaven-earth hinge is a mechanical device used to connect two solids and allow rotation between them. The traditional heaven and earth hinge used to connect the cabinet body and the cabinet door has the following problems: because it does not have or cannot provide sufficient cabinet door closing force, there is a gap or rebound after the cabinet door is closed; or, when the door is closed, the door Under the hinge pull or the push of the human hand, it is easy to hit the box heavily, making a loud noise and generating a relatively large noise, which affects people's use. In addition, because the door and the box often collide with a certain force, It is relatively easy to damage the furniture, so further improvement is needed.

Contents of the invention

The object of the present invention is to solve one of the above-mentioned problems.

In order to achieve the above object, the present invention provides a sky-ground hinge with a buffer device, which includes a first component, a second component and a hinge assembly, the first component is provided with a damping tube, a spring and a spring cantilever, and the spring’s One end is fixedly connected with the first member, and the other end is movably abutted on the spring cantilever; the hinge assembly includes a folding cantilever and an external cantilever, and one end of the folding cantilever is arranged inside the first member and is connected to the The damping tube touches; the other end of the folding cantilever is hinged to the second member, and the middle part of the folding cantilever is fixed on the first member through a fixed pin; one end of the outer cantilever is connected to the second member The two components are hinged, and the other end is arranged inside the first component and contacts the spring cantilever.

Further, the number of the springs is two, and the two springs have the same size and structure, and are arranged in parallel and aligned with each other.

Further, one end of the spring cantilever is rotatably connected to the first member through a pin shaft, a cantilever groove is provided on the spring cantilever, and the spring is movably abutted in the cantilever groove.

Further, the folding cantilever includes a No. 1 cantilever and a No. 2 cantilever, the No. 1 cantilever is arranged inside the first member, and one end of the No. 1 cantilever is hinged to one end of the No. 2 cantilever through a movable pin , the other end of the No. 1 cantilever is in contact with the damping tube; the hinged end of the No. 2 cantilever and the No. 1 cantilever is set inside the first member, and the other end is hinged with the second member. The middle part of the No. 2 cantilever is rotatably fixed on the first member through the fixed pin.

Further, the ends of the joints of the No. 1 cantilever and the No. 2 cantilever are both set as convex bending surfaces, and the two ends are restricted from each other through the convex bending surfaces to limit the folding of the cantilever. The bending angle of the No. 1 cantilever and the No. 2 cantilever.

Further, the end of the No. 1 cantilever connected to the No. 2 cantilever is set as a U-shaped mouth, and the U-shaped mouth clamps one end of the No. 2 cantilever.

Further, the first member is provided with a damping groove for placing the damping tube, the damping tube can be stretched and moved in the damping groove, and the other end of the No. 1 cantilever extends into the damping groove The groove is in contact with the damping tube.

Further, the damping tube includes a jacking tube, one end of the jacking tube can elastically expand and contract in the damping tube, and the other end abuts against the groove wall of the damping groove away from the No. 1 cantilever.

Further, the first component is fixed on the door frame or the window frame; the second component is connected with the door or the window.

Further, the first component is buried on the door frame or the top plate and/or bottom plate of the window frame, and its installation surface is flush with the surface of the top plate and/or bottom plate of the door frame or window frame; the second component is buried in the door Or in the window and the position corresponds to the installation position of the first component, and its installation surface is flush with the surface of the door or window.

Compared with the prior art, the present invention has the following advantages and effects: a heaven-earth hinge with a closed buffer structure is provided. When the door or window is closed, the No. 2 cantilever rotates around the fixed pin, and the No. 1 cantilever is driven by the movable pin Rotate, the No. 1 cantilever pushes the damping tube, and the jacking tube is stressed and acts on the damping tube to play a buffering role. Furthermore, a spring is used inside, which directly abuts on the spring cantilever and acts on the external cantilever, which can not only play a buffering effect through the pressure of the spring when the hinge is closed, but also make the force strong enough when the hinge is closed, and the weight of the door Can be bigger. It is a heaven and earth hinge that not only provides sufficient closing force for closing doors and windows, but also makes the closing speed moderate and stable.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is a schematic side view of a folded cantilever and a damping tube according to an embodiment of the present invention;

3 is a schematic cross-sectional view of a folded cantilever according to an embodiment of the present invention;

Fig. 4 is the three-dimensional schematic diagram of the embodiment of the present invention;

FIG. 5 is a schematic diagram after packaging of an embodiment of the present invention.

Explanation of reference signs:

1-first member; 2-second member; 3-damping tube; 4-spring; 5-spring cantilever; 6-external cantilever; 7-No. 1 cantilever; 8-No. 2 cantilever; Block; 11-fixed cantilever iron sheet; 12-groove; 13-bar protrusion; 14-bar hole; 15-No. 2 eccentric bolt; 16-adjusting bolt; 17-first adjusting hole; 18-second Adjustment hole; 19-cantilever slider; 20-No. 1 eccentric bolt; 21-card slot.

Detailed ways

Typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the invention is capable of various changes in different embodiments without departing from the scope of the invention, and that the description and illustrations therein are illustrative in nature and not limiting. this invention.

Wherein, "front and back", "left and right" and "up and down" in the text of the drawings and the description are only used to describe a sky-earth hinge with a buffer device of the present invention in conjunction with the drawings, and are not intended to limit the present invention.

In the present invention, based on the opposite surface of the first member and the second member, the Z-axis is perpendicular to the surface, the X-axis is horizontally intersected with the Z-axis on this surface, and the vertical axis is vertical to the Z-axis on this surface. The one that intersects directly is the Y axis. The "front and back" is the Z-axis direction, the "left and right" is the X-axis direction, and the "up and down" is the Y-axis direction.

As shown in Figure 1, a sky-earth hinge with a buffer device includes a first component 1, a second component 2 and a hinge assembly, the first component 1 is provided with a damping tube 3, a spring 4 and a spring cantilever 5, the One end of the spring 4 is fixedly connected to the first member 1, and the other end movably abuts on the spring cantilever 5; the hinge assembly includes a folding cantilever and an external cantilever 6, and one end of the folding cantilever is arranged on the first member 1, and touches the damping tube 3; the other end of the folding cantilever is hinged to the second member 2, and the middle part of the folding cantilever is fixed on the first member 1 through a fixed pin rotation One end of the external cantilever 6 is hinged with the second member 2, and the other end is arranged inside the first member 1 and contacts the spring cantilever 5.

When closing the door or window, the second component 2 in the door or window is set to push the outer cantilever 6 to rotate, and the outer cantilever 6 pushes the spring cantilever 5 accordingly, so that the cantilever groove of the spring cantilever 5 is against the two springs 4 At one end, the spring 4 is stressed and generates resistance, so that the door or window is buffered by the resistance of the spring 4 during the closing process, and is slowly closed. In addition, one end of the external cantilever 6 in the first member 1 is always kept in the first member 1, and there is a limiting mechanism so that the external cantilever 6 can rotate within a limited range without falling out.

The number of the springs 4 is two, and the two springs 4 have the same size and structure, and are parallel and aligned with each other. The active force of the hinge is jointly borne by two springs 4, thereby improving the service life of each spring 4; in addition, using two springs 4 is more stable, so that the force is large enough when the hinge is closed, and the weight of the door is larger. In another embodiment, the number of the springs 4 may also be multiple.

One end of the spring cantilever 5 is rotatably connected to the first member 1 through a pin shaft, and a cantilever groove is arranged on the spring cantilever 5 , and the spring 4 is movably abutted in the cantilever groove. By setting the cantilever groove, the spring 4 will not slip off when it is stressed.

The folding cantilever includes a No. 1 cantilever 7 and a No. 2 cantilever 8. The No. 1 cantilever 7 is arranged inside the first member 1, and one end of the No. 1 cantilever 7 and one end of the No. 2 cantilever 8 are movable The pin shaft is hinged, and the other end of the No. 1 cantilever 7 is in contact with the damping tube 3; the hinged end of the No. 2 cantilever 8 and the No. 1 cantilever 7 is arranged inside the first member 1, and the other end is in contact with the first member 1. The second member 2 is hinged, and the middle part of the second cantilever 8 is rotatably fixed on the first member 1 through the fixed pin. The No. 1 cantilever 7 is in an "S" shape, the No. 2 cantilever 8 is in an "L" shape, and the folded cantilever is in an "S" shape as a whole.

The ends of the hinges of the No. 1 cantilever 7 and the No. 2 cantilever 8 are all set as outwardly convex bending surfaces, and the two ends are limited and matched with each other through the outwardly convex bending surfaces, so that the folded cantilever The bending angle of the No. 1 cantilever 7 and the No. 2 cantilever 8 can be limited within a certain range, meeting the needs of closing and opening the door. The convex bending surface is embodied as an obtuse triangle.

When the door or window is closed, the second member 2 drives the outer cantilever 6 and the No. 2 cantilever 8 to rotate, the No. 2 cantilever 8 rotates around the fixed pin, and the No. 1 cantilever is driven by the movable pin 7 rotate, and through the cooperation between the convex bending surfaces of the two ends, the No. 1 cantilever 7 pushes the damping tube 3, and the jacking tube of the damping tube 3 is stressed and reacts against the The No. 1 cantilever 7 plays a buffering role. Specifically shown in Figure 1: when the door or window is closed, the second component 2 drives the outer cantilever 6 and the No. 2 cantilever 8 to rotate, and the No. 2 cantilever 8 and the No. 1 cantilever 7 The hinged end turns to the left, and when the No. 2 cantilever 8 rotates to a certain angle, the No. 2 cantilever 8 and the convex bending surface at the end of the hinge of the No. 1 cantilever 7 are locked together. , and move to the left against the No. 1 cantilever 7, and then push the damping tube 3 to compress to the left.

When the door or window is opened too fast, the damping tube 3 rebounds slowly at this time, and the No. 2 cantilever 8 pulls the No. 1 cantilever 7 to the right, and the No. 2 cantilever 8 passes through the outward protrusion of the end of the hinge. The bending surface cooperates to block the No. 1 cantilever 7, so that the No. 1 cantilever 7 is also driven to move to the right, so that the No. 1 cantilever 7 will not continue to rotate to the left and be blocked.

The spring cantilever 5 , the outer cantilever 6 and the No. 2 cantilever 8 are a cantilever formed by bonding and connecting two cantilever parts. In this way, the cantilever can bear more load and is more firm.

One end of the No. 1 cantilever 7 connected to the No. 2 cantilever 8 is set as a U-shaped mouth, and the U-shaped mouth clamps one end of the No. 2 cantilever 8 . This structure is more solid, stable and reliable, so that the cantilever will not shake. The end of one end of the No. 2 cantilever 8 clamped by the U-shaped mouth is set as a convex bending surface, which is obtusely angled; the convex bending surface at the end of the No. 1 cantilever 7 is specifically It is arranged at the bottom of the U-shaped opening at the hinged end, and is also obtuse-angled; the two obtuse angles are arranged opposite to each other.

The first member 1 is provided with a damping groove for placing the damping tube 3, the damping tube 3 can be stretched and moved in the damping groove, and the other end of the No. 1 cantilever 7 extends into the damping groove. The groove is in contact with the damping tube 3 . When the hinge is closed, the jacking tube will be stressed and act on the damping tube 3 to play a buffering role. The closing force and buffering force of the closed rotation will make the closing speed of the heaven and earth hinge box moderate and stable when the hinge box is closed, preventing the hinge from closing. when the collision.

The damping tube 3 includes a jacking tube. One end of the jacking tube can elastically expand and contract in the damping tube 3 , and the other end is against the wall of the damping groove away from the No. 1 cantilever 7 . When the hinge is closed, the jacking tube will be stressed and act on the damping tube 3 to play a buffering role. The closing force and buffering force of the closed rotation will make the closing speed of the heaven and earth hinge box moderate and stable when the hinge box is closed, preventing the hinge from closing. when the collision.

In another embodiment, a damping limit plate is provided on the bottom surface of the damping groove on the side away from the No. 1 cantilever 3 .

The damping tube 5 includes a jacking tube, one end of the jacking tube can expand and contract in the damping tube 5, and the other end abuts against the damping limiting plate. The telescopic length of the damping tube 5 can be effectively limited.

The first component 1 is fixed on the door frame or the window frame; the second component 2 is connected with the door or the window.

The first component 1 is buried on the door frame or the top plate and/or bottom plate of the window frame, and its installation surface is flush with the surface of the top plate and/or bottom plate of the door frame or window frame; the second component 2 is buried in the door or window frame. The position in the window corresponds to the installation position of the first component 1 , and its installation surface is flush with the surface of the door or window. The heaven and earth hinge can be used on all doors such as gates, house doors, and cabinet doors. Make the installed doors and windows more aesthetically pleasing without taking up too much space. Both the first component 1 and the second component 2 are packaged by the casing and then installed into corresponding doors and windows or door and window frames, as shown in FIG. 5 .

The side of the housing of the first member 1 is provided with anti-slip barbs to increase the friction on the side of the hinge that is not on the screw and prevent the side from slipping out.

Both the shell sides of the first component 1 and the second component 2 are provided with skirts, which can cover the gaps caused by the opening errors of the cabinet body and the door frame or the gaps caused by the edge explosion. When the sky-ground hinge is closed, there is a displacement of 17.5-21 cm between the hinge end edge of the second member 2 and the hinge end edge of the first member 1; the sky-earth hinge can be opened by 98 degrees.

The shape of the sky-earth hinge is notch-shaped, which makes it convenient to open holes on the door frame or window frame.

The sky-earth hinge is a top-bottom hinge, which is installed on the top and bottom panels, belongs to the hidden hinge, and does not occupy the space inside the door or window.

As shown in Fig. 4, in another embodiment, the first member 1 of the sky-ground hinge with a buffer device also includes a housing 9, a slider 10, and a fixed cantilever iron sheet 11, and the fixed cantilever iron sheet 11 wraps the The slider 10, the fixed cantilever iron piece 11 is hinged to the second member 2 through the outer cantilever 6 and the second cantilever 8, and the sky-earth hinge also includes a function that can adjust the first member 1 and the second member. An adjustment assembly for the relative position between the components 2, the adjustment assembly includes an adjustment mechanism for adjusting the relative position of the first component 1 and the second component 2 in the up-down direction.

Described regulating mechanism one comprises cantilever slide block 19 and No. 1 eccentric bolt 20, and described cantilever slide block 19 is hinged with described hinge assembly, and the screw rod of described No. 1 eccentric bolt 20 passes through described cantilever slide block 19 and described In the second member 2, the cantilever slider 19 can drive the hinge assembly to slide in the up and down direction.

The second member 2 is provided with a slot 21 for placing the cantilever slider 19, the slot 21 has a gap for the cantilever slider 19 to slide up and down, and the cantilever slider 19 is provided with a waist hole , the second member 2 is provided with a circular hole, the screw rod of the No. 1 eccentric bolt 20 passes through the waist hole of the cantilever slider 19 and passes through the circular hole of the second member 2, so The screw rod of the No. 1 eccentric bolt 20 is rotatably connected with the circular hole of the second member 2 .

Said cantilever slider 19 is provided with a waist-shaped hole, and the bar-shaped length direction of said waist-shaped hole is parallel to the hinge axis of said hinge assembly hinged on said cantilever slider 19, because the screw rod of No. 1 eccentric bolt 20 The tail end is fixedly and rotationally connected with the second member 2, and the No. 1 eccentric bolt 20 is rotatably adjusted so that the screw rod of the No. 1 eccentric bolt 20 rotates in situ. Since there is a slot 21 on the cantilever slider 19 for the No. 1 The rotation gap of the nut of the eccentric bolt 20 in the left and right direction, and there is no gap in the up and down direction, so the nut of the No. 1 eccentric bolt 20 will push the cantilever slider 19 in the second rotation during the rotation process. The slot 21 of the component 2 slides up and down, and the waist-shaped hole on the cantilever slider 19 also provides a hole for the screw rod of the No. 1 eccentric bolt 20 and the cantilever slider 19 to move relative to each other in the up and down direction. . That is, the rotation of the No. 1 eccentric bolt 20 will push the cantilever slider 19 to move in the up and down direction relative to the second member 2 through collision, and at the same time drive the hinge assembly in the up and down direction relative to the second member 2 Move upwards, thereby adjusting the relative position of the entire first component 1 and the second component in the up-down direction. The folding cantilever and one end of the external cantilever 6 inside the second member 2 are respectively hinged to the cantilever slider 19 . By setting the adjusting mechanism one, the relative position adjustment in the up and down direction can be realized on the plane of the door and window, so that the adjustment operation can be performed more conveniently.

The adjustment assembly also includes an adjustment mechanism 2 and an adjustment mechanism 3, which are respectively used for adjusting the relative positions of the first member 1 and the second member 2 in the left-right direction and the front-rear direction.

The adjustment mechanism two includes a No. 2 eccentric bolt 15, the nut of the No. 2 eccentric bolt 15 is rotatably fixed in the slider 10, and the screw rod of the No. 2 eccentric bolt 15 is embedded in the fixed cantilever iron plate within 11.

The slide block 10 is provided with a slot 1 matching the nut of the No. 2 eccentric bolt 15, which can hold the nut of the No. 2 eccentric bolt 15 so that it can rotate on the spot and cannot move forward and backward. ; The fixed cantilever iron plate 11 is provided with a bent clamping hole, and the screw rod of the No. 2 eccentric bolt 15 is inserted into the clamping hole. Twisting and rotating the No. 2 eccentric bolt 15, the screw rod of the No. 2 eccentric bolt 15 drives the fixed cantilever iron piece 11 to move left and right, thereby driving the second member 2 to move left and right relative to the first member 1, To achieve the purpose of adjusting the left and right door gaps between doors and windows and door and window frames.

The No. 2 eccentric bolt 15 is also provided with an eccentric adjustment screw upper cover, so as to limit the position of the nut of the No. 2 eccentric bolt 15, block the nut of the No. 2 eccentric bolt 15, and the No. 2 eccentric The bolt 15 can be directly put into the draw-in slot one, and then cover the eccentric adjustment screw upper cover without screwing and riveting.

The adjustment mechanism three further includes an adjustment bolt 16 , the nut of the adjustment bolt 16 is rotatably fixed in the housing 9 , and the screw of the adjustment bolt 16 is screwed to the slider 10 .

The casing 9 is provided with a draw-in slot 2 matching the nut of the adjusting bolt 16, which can hold the nut of the adjusting bolt 16 so that it can rotate in situ but cannot move back and forth; Bolt 16, that is, to adjust the depth of the adjusting bolt 16 screwed into the slider 10, so that the slider 10 moves back and forth relative to the housing 9, thereby driving the second member 2 relative to the first member 1 Move back and forth to achieve the purpose of adjusting the front and rear door gaps between doors, windows and door and window frames.

A groove 12 is provided in the housing 9, and the fixed cantilever iron sheet 11 is placed in the groove 12 with the slider 10 sandwiched. The length of the groove 12 is consistent with the slider 10. The width of the groove 12 is larger than that of the slider 10 . Therefore, the groove 12 has a gap for the fixed cantilever iron piece 11 and the slider 10 to adjust and move in the front and rear direction.

A first adjustment hole 17 and a second adjustment hole 18 corresponding to the No. 2 eccentric bolt 15 and the adjustment bolt 16 are opened on the housing 9 .

By setting the adjustment hole, the user can easily adjust the gap between the door and the window. In addition, after a period of use, the front and rear door gaps and the left and right door and window gaps will change. At this time, the user can also adjust the door and window gaps through the adjustment hole.

In another embodiment, a plastic cover is provided outside the two adjustment holes, which can cover the two adjustment holes of the hinge and the fixing screw holes for fixing the first component to the door and window frame.

The slider 10 is provided with a strip-shaped protrusion 13, and the fixed cantilever iron plate 11 is provided with a strip-shaped hole 14, and the strip-shaped protrusion 13 is snapped into the strip-shaped hole 14, and the strip-shaped hole 14 Consistent with the width of the strip-shaped protrusion 13, the strip-shaped hole 14 is longer than the length of the strip-shaped protrusion 13, and the left and right movement of the fixed cantilever iron piece 11 relative to the slider 10 is in the shape The cooperation of the protrusion 13 and the strip hole 14 is a guide. Moreover, the strip-shaped protrusion 13 clamps the strip-shaped hole 14, so that the front and rear positions of the fixed cantilever iron piece 11 relative to the slider 10 cannot be adjusted.

Preferably, the adjustment range of the cantilever slider 19 relative to the second member is 2.5-3 mm, the adjustment range of the fixed cantilever iron piece 11 relative to the slider 10 is 3-4 mm, and the fixed cantilever The adjustment range of the iron piece 11 and the slider 10 relative to the housing 9 is 3 mm.

By adjusting the No. 1 eccentric bolt 20, the relative position of the second member 2 and the first member 1 in the up-down direction can be adjusted, that is, the gap between the door and window and the door and window frame in the up-down direction can be adjusted; by adjusting the No. 2 eccentric bolt 15 The relative position of the second member 2 and the first member 1 in the left and right direction can be adjusted, that is, the gap between the door window and the door and window frame in the left and right direction can be adjusted; the second member 2 and the first member 1 can be adjusted by adjusting the adjusting bolt 16 The relative position in the front-to-back direction is to adjust the gap between the door and window and the door and window frame in the front-to-back direction.

The two iron sheets of the fixed cantilever iron sheet 11 clamp the outer cantilever 6 and the hinged end of the No. 2 cantilever 8 and the fixed cantilever iron sheet 11, so that the cantilever will not shake during the opening and closing process. .

The two iron sheets of the fixed cantilever iron sheet 11 sandwich the outer cantilever 6 and the two iron sheets at the hinged end of the fixed cantilever iron sheet 11 are provided with bumps, and the bumps are arranged oppositely. , and the two bumps clamp the outer cantilever 6 . The bumps are long and semi-cylindrical.

Compared with the prior art, the present invention has the following advantages and effects: a heaven-earth hinge with a closed buffer structure is provided. When the door or window is closed, the No. 2 cantilever rotates around the fixed pin, and the No. 1 cantilever is driven by the movable pin Rotate, the No. 1 cantilever pushes the damping tube, and the jacking tube is stressed and acts on the damping tube to play a buffering role. Furthermore, a spring is used inside, which directly abuts on the spring cantilever and acts on the external cantilever, which can not only play a buffering effect through the pressure of the spring when the hinge is closed, but also make the force strong enough when the hinge is closed, and the weight of the door Can be bigger. It is a heaven and earth hinge that not only provides sufficient closing force for closing doors and windows, but also makes the closing speed moderate and stable.

The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still apply to the foregoing embodiments The recorded technical solutions are modified, or some of the technical features are replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. A sky-earth hinge with a buffer device, characterized in that: it includes a first component (1), a second component (2) and a hinge assembly, the first component (1) is provided with a damping tube (3), A spring (4) and a spring cantilever (5), one end of the spring (4) is fixedly connected to the first member (1), and the other end movably abuts on the spring cantilever (5); the hinge assembly includes a folding Cantilever and external cantilever (6), one end of the folded cantilever is set inside the first member (1) and touches the damping tube (3); the other end of the folded cantilever is connected to the second The member (2) is hinged, and the middle part of the folding cantilever is fixed on the first member (1) through a fixed pin shaft; one end of the outer cantilever (6) is hinged with the second member (2), and the other One end is arranged inside the first member (1) and contacts with the spring cantilever (5). 2. The sky-earth hinge according to claim 1, characterized in that: the number of the springs (4) is two, and the two springs (4) have the same size and structure, and are arranged in parallel and aligned with each other. 3. The sky-earth hinge according to claim 1, characterized in that: one end of the spring cantilever (5) is rotatably connected to the first member (1) through a pin shaft, and the spring cantilever (5) is provided with A cantilever groove, the spring (4) is movably abutted in the cantilever groove. 4. The sky-earth hinge according to claim 1, characterized in that: the folding cantilever includes No. 1 cantilever (7) and No. 2 cantilever (8), and the No. 1 cantilever (7) is set on the first member (1) Inside, one end of the No. 1 cantilever (7) is hinged to one end of the No. 2 cantilever (8) through a movable pin, and the other end of the No. 1 cantilever (7) is connected to the damping tube (3 ) touches; the hinged end of the No. 2 cantilever (8) and the No. 1 cantilever (7) is set inside the first member (1), and the other end is hinged with the second member (2). The middle part of the number cantilever (8) is rotatably fixed on the first member (1) through the fixed pin. 5. The heaven and earth hinge according to claim 4, characterized in that: the ends of the joints of the No. 1 cantilever (7) and the No. 2 cantilever (8) are all set as convex bending surfaces, and the two The ends are limited and matched with each other through the outwardly convex bending surfaces, so as to limit the bending angle of the No. 1 cantilever (7) and the No. 2 cantilever (8) of the folding cantilever. 6. The heaven and earth hinge according to claim 5, characterized in that: one end of the No. 1 cantilever (7) connected to the No. 2 cantilever (8) is set as a U-shaped mouth, and the U-shaped mouth clamps the No. 2 cantilever One end of the cantilever (8). 7. The sky-earth hinge according to claim 5, characterized in that: the first member (1) is provided with a damping groove for placing the damping tube (3), and the damping tube (3) can be placed in the The telescopic movement in the damping groove, the other end of the No. 1 cantilever (7) extends into the damping groove and contacts the damping pipe (3). 8. The sky-earth hinge according to claim 7, characterized in that: the damping tube (3) includes a jacking tube, one end of the jacking tube can be elastically stretched in the damping tube (3), and the other end is connected to the damping tube (3). The damping groove is away from the groove wall of the No. 1 cantilever (7). 9. The sky-earth hinge according to any one of claims 1-8, characterized in that: the first member (1) is fixed to the door frame or window frame; the second member (2) is connected to the door or window connect. 10. The sky-earth hinge according to claim 9, characterized in that: the first member (1) is buried on the door frame or the top plate and/or bottom plate of the window frame, and its installation surface is in contact with the top plate and/or bottom plate of the door frame or window frame. /or the surface of the bottom plate is flush; the second component (2) is embedded in the door or window and its position corresponds to the installation position of the first component (1), and its installation surface is flush with the surface of the door or window.