CN206256798U

CN206256798U - A kind of structure that can decline and can preset the self-closing speed of hinge

Info

Publication number: CN206256798U
Application number: CN201621109058.0U
Authority: CN
Inventors: 吴裕龙
Original assignee: 赵芬
Current assignee: Tongguan (Xiamen) Electronic Technology Co., Ltd.
Priority date: 2016-10-10
Filing date: 2016-10-10
Publication date: 2017-06-16
Anticipated expiration: 2026-10-10

Abstract

The utility model discloses a kind of structure that can decline and can preset the self-closing speed of hinge, including two hinges, swivel nut, solid bar, spring, bearing, auxiliary adjustment spring shim, plug and adjustment seat, each hinge all includes axle sleeve and the blade being fixed in outside axle sleeve, Gu bar has screw rod；The drive link that swivel nut has is connected in the axle sleeve of a hinge, and plug is fixed in the axle sleeve of a hinge, and swivel nut and plug are spaced；Solid bar, spring, auxiliary adjustment spring shim and adjustment seat are provided between the swivel nut and plug in the axle sleeve of two hinges.The big and small data of the straight gradient pitch of the convex helical grinding tooth tooth of the straight gradient pitch of more than two of the screw rod that the solid bar has is set, with the setting bar table structure of the convex helical grinding tooth tooth of straight gradient pitch, the big and small data for being adapted to more than the two straight gradient pitch of the recessed helical grinding tooth tooth of straight gradient pitch of the swivel nut that is spirally connected is set, with the setting bar table structure of the convex helical grinding tooth tooth of straight gradient pitch, the relative strong and weak release so that the energy storage top elastic force degree of spring can be preset.

Description

A kind of structure that can decline and can preset the self-closing speed of hinge

Technical field

The utility model is related to a kind of structure that can decline and can preset the self-closing speed of hinge.

Background technology

It is entitled that Chinese patent database discloses utility model《A kind of rising hinge device》, Patent No. 2013208356551 utility model.It includes upper hinge, lower jaw, retainer and drive link.Upper hinge include Upper shaft sleeve and The upper hing straps of affixed Upper shaft sleeve；Lower jaw includes the lower hing straps of Lower shaft sleeve and affixed Lower shaft sleeve；The affixed Upper shaft sleeve of retainer, The retainer bottom face is arranged with drive cavity, and the surface of revolution is provided with the first spiral part within the drive cavity.Under the drive link is affixed Axle sleeve, the surface of revolution is provided with the second spiral part outside the drive link, drive link connection drive cavity, first spiral part and the The adaptation engagement of two spiral parts, wherein：Hinge makes hinge be rotated relative to lower jaw in promotion, by the first spiral part and the Two spiral parts coordinate can rise hinge；Pine oil is promoted makes hinge decline under gravity, by the first spire Point and the second spiral part coordinate can make hinge automatically reset recurrence closure.Hinge makes hinge with respect to lower jaw in promotion After rotation, now the rising hinge device is when cannot realize coordinating by the first spiral part and the second spiral part, on this Hinge can just make the upper hinge of rising hinge be opened to the rotation maximum angle of predetermined set without the state for rising；The lifting is closed The upper hinge of page must could open hinge through rotating to rise, and upper hinge is that can not open upper hinge without rising is rotated, Upper hinge cannot also preset self-closing speed.

Utility model content

The utility model provides a kind of structure that can decline and can preset the self-closing speed of hinge, which overcomes background Deficiency in technology existing for rising hinge device.

The technical scheme for being used that the utility model solves its technical problem is：

It is a kind of to decline and the structure of the self-closing speed of hinge can be preset, including fixed seat, two hinges, solid bar, swivel nut, Spring, auxiliary adjustment spring shim and bearing, two hinge can be relatively rotated, and each hinge all includes axle sleeve and is fixed in axle Blade outside set, and the solid bar has screw rod；It is characterized in that：Also include plug and adjustment seat, the drive link of the swivel nut is affixed In the axle sleeve of a hinge, the plug is fixed in the axle sleeve of a hinge, and the swivel nut and plug are spaced；In the axle sleeve of two hinge Swivel nut and plug between be provided with solid bar, volution, spring, auxiliary adjustment spring shim, bearing and adjustment seat, the solid bar has spiral shell The convex helical grinding tooth tooth of bar is adapted to the recessed helical grinding tooth tooth of the swivel nut that is spirally connected, and the spring top is against bulge loop and auxiliary adjustment spring shim Between.The vanes of hinge are promoted and are opened for left-hand rotation direction, so that the blade of hinge can drive the transmission in the first axle sleeve Swivel nut in bar and the second axle sleeve is rotated, and the bulge loop that enabling the solid bar has slides down the energy storage bullet that dynamic pressure crouches spring vertically Dynamics, it is relative so that more than the two straight gradient pitch of the convex helical grinding tooth tooth of positive straight gradient pitch of the screw rod that solid bar has It is big set with small data, and the convex helical grinding tooth tooth of positive straight gradient pitch setting bar table structure, adaptation is spirally connected swivel nut The big and small data of more than the two straight gradient pitch of the recessed helical grinding tooth tooth of positive straight gradient pitch is set, and positive straight gradient The setting bar table structure of the convex helical grinding tooth tooth of pitch, with can preset screw rod under relative to swivel nut along axle with upper movement Wheelbase spacing dimension position, it is relative with can synchronously preset with the energy storage top elastic force degree of limited spring by force with weak release, Relative to can synchronously preset the speed of the blade of hinge when dextrad rotates self-closing soon with slowly；The leaf of hinge is promoted in pine oil Piece, so that the energy storage top elastic force degree of spring can produce release, so that the contact of one end energy strength of spring is in auxiliary adjustment spring The other end at second bearing plane on pad can strength degree contact at the bulge loop that solid bar has so that the spiral shell of solid bar Bar can up be moved relative to the axial direction of swivel nut, while also relative to can synchronously preset the blade of hinge when dextrad rotation is self-closing Speed soon with slowly.Using the adjusted rotation of adjustment seat, can coordinate plug and coordinate auxiliary adjustment spring shim and solid bar, with Spacing dimension position required between auxiliary adjustment spring shim and plug can be adjusted, it is relative so that auxiliary adjustment spring pad can be adjusted Required spacing dimension position between piece and solid bar, at the same adjustment seat can also be adjusted in synchronism the strong of the energy storage top elastic force degree of spring with Weak release, relative to so that adjustment seat can synchronously correspond to the speed of the blade of adjustable hinge when dextrad rotates self-closing soon with slowly.

Among one embodiment：The end of the screw rod that the solid bar has have an affixed bulge loop, and the bulge loop outer rim side Bulge loop sliding rail groove is arranged with face, to be resisted against bulge loop sliding rail recessed sliding into through the screwing through hole of axle sleeve for the solid bar It is relative to consolidate bar on relative swivel nut edge positioning and limit so that the solid bar energy corresponding matching bulge loop sliding rail groove in groove Will not be changed with the axial direction of upper slip and movement and the spacing dimension of wheelbase under axis.

Among one embodiment：Six convex spiral shells of reverse straight gradient pitch between more than two of the screw rod that the solid bar has The size of data of the straight gradient pitch of line grinding tooth tooth is set, and the reversely setting bar number knot of the convex helical grinding tooth tooth of straight gradient pitch Structure, six straight gradient pitch of the recessed helical grinding tooth tooth of reverse straight gradient pitch being adapted between more than two of the swivel nut that is spirally connected Size of data is set, and the reversely setting bar table structure of the convex helical grinding tooth tooth of straight gradient pitch, relative can preset spiral shell Bar relative to swivel nut vertically under axial direction and the spacing dimension position of wheelbase with upper slip and movement.

Among one embodiment：Annular groove is arranged with the outer shroud circumference of one end of the bulge loop, and the annular groove is socketed There is O-ring seal, and the O-ring seal is also stretched out outside annular mounting recess, is abutted against in axle sleeve with that can seal.

Among one embodiment：The drive link that the swivel nut has can be rotated and immovable the axle sleeve for being connected to a hinge It is interior, and this connects through change connection；The plug can not be rotated and immovable is connected in the axle sleeve of a hinge.

Among one embodiment：The end of the screw rod that the solid bar has has an affixed bulge loop, the outer shroud side of the bulge loop Place is arranged with bulge loop sliding rail groove, and whorled inner ring is put in the forward position projection of the inner ring circumference through through hole of the volution Flange, enables the interior ring flange of the volution to be resisted against in bulge loop sliding rail groove, so that the interior ring flange of the volution can be corresponded to Coordinate bulge loop sliding rail groove, it is relative with can position and limit consolidate bar under relative to swivel nut along axis with upper slip and movement Axial direction and the spacing dimension of wheelbase will not change.

Among one embodiment：Also include spring, the energy storage elastic force degree energy contact bulge loop that bar has admittedly of the spring one end The other end can contact auxiliary adjustment spring shim.

Among one embodiment：Reversely directly the convex helical grinding tooth tooth of gradient pitch has six between this more than two around solid bar The upper and lower spiral shell grinding tooth of outer shroud of some screw rods to the whole spacing dimension strokes with the upper and lower pitch of the outer shroud of screw rod, be it is relative will be corresponding to Groove through hole of the six recessed helical grinding tooth teeth of reverse straight gradient pitch being adapted between more than two of the swivel nut that is spirally connected around swivel nut The upper and lower spiral shell grinding tooth of inner ring to, and the upper and lower pitch of swivel nut inner ring whole spacing dimension strokes.

Among one embodiment：Also include adapter sleeve, the solid bar can be slided and the corresponding matching swivel nut that moves is connected to connection In set, the swivel nut can rotate and can not slide and be movably attached in adapter sleeve, and the spring and auxiliary adjustment spring shim set In adapter sleeve, the part that the axle sleeve and swivel nut of a hinge are stretched out outside adapter sleeve is affixed, the axle sleeve of another hinge and solid seat The part stretched out outside adapter sleeve is affixed.

Among one embodiment：Also include that energy relative motion and adjustable ground are located at the adjustment seat in plug, the auxiliary adjustment The part that the inner ring through hole and adjustment seat of spring shim are stretched out outside plug connects.

Compared with background technology, it has the following advantages that the technical program：

The vanes of hinge are promoted and are opened for left-hand rotation direction, so that the blade of hinge can drive the biography in the first axle sleeve Swivel nut in lever and the second axle sleeve is rotated, and the bulge loop that enabling the solid bar has slides down the energy storage that dynamic pressure crouches spring vertically Elastic force degree is relative so that more than the two straight gradient spiral shells of the convex helical grinding tooth tooth of positive straight gradient pitch of the screw rod that solid bar has Away from it is big set with small data, and the convex helical grinding tooth tooth of positive straight gradient pitch setting bar table structure, adaptation is spirally connected swivel nut Big and the small data of more than the two straight gradient pitch of the recessed helical grinding tooth tooth of positive straight gradient pitch set, it is and positive straight oblique Spend pitch convex helical grinding tooth tooth setting bar table structure, with can preset screw rod under relative to swivel nut along axle with upper movement Wheelbase spacing dimension position, it is relative with can synchronously preset with the energy storage top elastic force degree of limited spring by force with weak release, Also relative to can synchronously preset the speed of the blade of hinge when dextrad rotates self-closing soon with slowly；The leaf of hinge is promoted in pine oil Piece, so that the energy storage top elastic force degree of spring can produce release, so that the contact of one end energy strength of spring is in auxiliary adjustment spring The other end at second bearing plane on pad can strength degree contact at the bulge loop that solid bar has so that the spiral shell of solid bar Bar can up be moved relative to the axial direction of swivel nut, while also relative to can synchronously preset the blade of hinge when dextrad rotation is self-closing Speed soon with slowly.Using the adjusted rotation of adjustment seat, can coordinate plug and coordinate auxiliary adjustment spring shim and solid bar, with Spacing dimension position required between auxiliary adjustment spring shim and plug can be adjusted, it is relative so that auxiliary adjustment spring pad can be adjusted Required spacing dimension position between piece and solid bar, at the same adjustment seat can also be adjusted in synchronism the strong of the energy storage top elastic force degree of spring with Weak release so that adjustment seat can synchronously correspond to the speed of the blade of adjustable hinge when dextrad rotates self-closing soon with slowly.This is consolidated The screw rod that bar has may be configured as more than two, and reversely directly the data of the straight gradient pitch of the convex helical grinding tooth tooth of gradient pitch are big Small setting, and the reversely setting bar table structure of the convex helical grinding tooth tooth of straight gradient pitch, adaptation be spirally connected swivel nut be set to two with The size of data setting of the straight gradient pitch of the recessed helical grinding tooth tooth of upper reversely straight gradient pitch, and reverse straight gradient pitch is convex The setting bar table structure of helical grinding tooth tooth, it is relative so that the vanes of hinge are promoted and are opened for dextrad rotation direction；The leaf of hinge Piece through it is self-closing be left-hand rotation direction, while screw rod can relative swivel nut vertically down with slip up and mobile in hinge turn In dynamic predetermined set angle.

Brief description of the drawings

The utility model is described in further detail with reference to the accompanying drawings and examples.

Fig. 1 depicts the schematic perspective view of the anatomy of the body hinge of embodiment one.

Fig. 1-1 depicts the schematic perspective view of the second hinge of embodiment one.

Fig. 1-2 depicts the schematic perspective view of the first hinge of embodiment one.

Fig. 1-3 depicts the schematic perspective view of the swivel nut of embodiment one.

Fig. 1-4 depicts the schematic perspective view of the solid bar of embodiment one.

Fig. 1-5 depicts the schematic perspective view of the solid bar of embodiment one.

Fig. 1-6 depicts the schematic perspective view of the spring of embodiment one.

Fig. 1-7 depicts the schematic perspective view of the sleeve pipe that trackslips of embodiment one.

Fig. 1-8 depicts the schematic perspective view of the first pad of embodiment one.

Fig. 1-9 depicts the schematic perspective view of the second pad of embodiment one.

Fig. 1-10 depicts the schematic perspective view of the clutch shaft bearing of embodiment one.

Fig. 1-11 depicts the schematic perspective view of the second bearing of embodiment one.

Fig. 1-12 depicts the schematic perspective view of the auxiliary adjustment spring shim of embodiment one.

Fig. 1-13 depicts the schematic perspective view of the O-ring seal of embodiment one.

Fig. 1-14 depicts the schematic perspective view of the adjustment seat of embodiment one.

Fig. 1-15 depicts the schematic perspective view of the plug of embodiment one.

Fig. 2 depicts the schematic perspective view of the anatomy of the body hinge of embodiment two.

Fig. 3 depicts the schematic perspective view of the anatomy of the body hinge of embodiment three.

Fig. 3-1 depicts the schematic perspective view of the hinge fixed seat of embodiment three.

Fig. 3-2 depicts the schematic perspective view of the first hinge of embodiment three.

Fig. 4 depicts the schematic perspective view of the anatomy of the hinge of example IV

Fig. 4-1 depicts the schematic perspective view of the first hinge of example IV.

Fig. 4-2 depicts the schematic perspective view of the solid seat of example IV.

Fig. 5 depicts the schematic perspective view of the anatomy of the hinge of example IV.

Fig. 5-1 depicts the schematic perspective view of the second hinge of example IV.

Fig. 5-2 depicts the schematic perspective view of the first hinge of example IV.

Fig. 5-3 depicts the schematic perspective view of the assembling of the adapter sleeve of example IV.

Fig. 5-4 depicts the schematic perspective view of the solid bar of embodiment five

Fig. 5-5 depicts the schematic perspective view of the 3rd bearing of embodiment five.

Fig. 5-6 depicts the schematic perspective view of the volution of embodiment five.

Specific embodiment

Embodiment one

A kind of this structure that can decline and can preset the self-closing speed of hinge, can such as be adapted to be arranged at the car of any shape It is relative so that under a kind of energy in the axle sleeve of the compartment door hinge of door hinge, the body hinge hinge of any shape and any shape Drop and the body hinge of the structure that can preset the self-closing speed of hinge, can be installed on the car door door leaf of any fancy shapes and appoint Door leaf of car door of what fancy shapes etc., so that the door of the car door of the door leaf of the car door of any shape and any shape Page, can exercise a kind of structure function that can decline and can preset the self-closing speed of hinge.

The hinge, refer to Fig. 1 to Fig. 1-1 to Fig. 1-15, and first hinge 10 sets one first blade 12 and two intervals are solid Two first axle sleeves 11 of the first blade are connected on, and the first blade 12 of first hinge 10 is that (this first in the setting of folding shape First blade 12 of hinge 10 can also be set without in folding shape)；Second hinge 20 includes being fixed in hinge fixed seat Second blade 22 at 90 two intervals, second blade 22 at two interval is connected with the second axle sleeve 21, and second axle sleeve 21 , away from adaptation, second axle sleeve 21 adaptation is positioned between two first axle sleeves 11 for the compartment of wheelbase and two first axle sleeves 11；Second conjunction Two second blades 22 of interval and hinge fixed seat 90 of the second axle sleeve 21 of page 20 are fixed together, by arranging affixed screw rod 98 Screw vent through hinge fixed seat 90 in the screw vent through door frame so that hinge fixed seat 90 and door frame can be consolidated It is connected together, it is relative so that the door leaf piece of car door can exercise a kind of structure work(that can decline and can preset the self-closing speed of hinge Energy.

The inner ring through hole top of second axle sleeve 21 is arranged with the groove platform 101 of the second axle sleeve 21, and first pad Lie on the groove platform 101 of the second axle sleeve 21 to 95 socket connections, and between the first axle sleeve 11 and the second axle sleeve 21； The inner ring through hole bottom of second axle sleeve 21 is also arranged with the groove platform 201 of the second axle sleeve 21, and second pad 85 is socketed Lie on the groove platform 201 of the second axle sleeve 21 to connection, and between the first axle sleeve 11 and the second axle sleeve 21, this first The pad 85 of pad 95 and second can play the first blade 12 of the first hinge of assistant reinforcement 10 through open with it is self-closing when can be more suitable Freely.The second blade 22 and hinge fixed seat 90 that second hinge 20 has are fixed together, and are worn by arranging affixed screw rod 98 The screwing through hole of hinge fixed seat 90 is crossed in the screw vent through door frame, so that hinge fixed seat 90 and door frame can be affixed Together, relatively so that the door leaf of car door can exercise a kind of structure function that can decline and can preset the self-closing speed of hinge. The swivel nut 40 can rotate and it is immovable be connected in the inner ring of the second axle sleeve 21, the first axle sleeve that first hinge 10 has The part that the drive link 42 that 11 inner ring through hole and swivel nut 40 has is stretched out outside the second axle sleeve 21 is affixed；The top projection of swivel nut 40 There is drive link 42, and the drive link 42 that the swivel nut 40 has can rotationally through the inner ring through hole of clutch shaft bearing 100, continuation is being worn The groove platform 101 of the inner ring through hole of the second axle sleeve 21 is crossed, then penetrate the inner ring through hole of the first axle sleeve 11, and the swivel nut has The adaptation of drive link 42 is located at the inner ring through hole of the first axle sleeve 11, and the screw entered through the first axle sleeve by arranging the spiral shell of affixed screw 98 leads to The screwing through hole of the other end inner ring perisporium that the first axle sleeve 11 is then passed through through drive link 42 is entered in hole spiral shell is locked, so that upper first Axle sleeve 11 and drive link 42 can it is affixed together, it is relative so that swivel nut can position and limit solid bar 30 in the case where relative swivel nut is along axis with On slip and the axial direction of movement and the spacing dimension of wheelbase will not change.

First blade 12 of first hinge 10 is opened for left-hand rotation direction through promoting, so that the first of the first hinge 10 Blade 12 can drive the swivel nut 40 in the axle sleeve 21 of drive link 42 and second in the first axle sleeve 11 to rotate, so that the solid bar 30 has More than two of screw rod 31 among the straight gradient pitch of six forward directions convex helical grinding tooth tooth 39 straight gradient pitch data Greatly with small setting, the recessed helical grinding tooth tooth of the straight gradient pitch of six forward directions being adapted among more than two of the swivel nut 40 that is spirally connected The data of 46 straight gradient pitch greatly with small setting, so that the screw rod 31 of solid bar 30 can be preset in relative swivel nut 40 vertically Under axial direction and the spacing dimension position of wheelbase with upper slip and movement, while can synchronously preset that solid bar 30 has is convex Ring 32 is down slided and the mobile energy storage elastic force degree for compressing spring 91 vertically, can synchronously preset and limited spring 91 Energy storage top elastic force degree strong and weak release so that screw rod 31 can relative swivel nut 40 down closed with activity up vertically In the predetermined angular that page is rotated, speed of the first blade 12 of the first hinge 10 when dextrad rotates self-closing also can be synchronously preset Degree soon with slowly；The first blade 12 of the first hinge 10 is promoted in pine oil, so that the energy storage top elastic force degree of spring 91 can produce release, So that the other end of the contact of one end energy strength of spring 91 at the plane of second bearing 200 on auxiliary adjustment spring shim 80 Can strength degree contact at the bulge loop 32 that solid bar 30 has, also with respect to the first hinge 10 that can synchronously preset hinge First blade 12 dextrad rotate it is self-closing when speed soon with slowly.Using the adjusted rotation of adjustment seat 70, so that plug 60 can be coordinated With coordinate auxiliary adjustment spring shim 80, so that spacing dimension required between auxiliary adjustment spring shim 80 and plug 60 can be adjusted Position, it is relative so that spacing dimension position required between auxiliary adjustment spring shim 80 and solid bar 30 can be adjusted, while adjustment seat Also can synchronous corresponding matching adjust speed of the first blade 12 of the first hinge 10 when dextrad rotates self-closing soon with slowly, it is relative with Enable the strong and weak release of the energy storage top elastic force degree of the synchronous adjustment of adjustment seat 70 and limited spring 91, while the storage of the spring 91 Energy elastic force degree can produce release, so that second axle of the contact of one end energy strength of spring 91 on auxiliary adjustment spring shim 80 Hold at 200 planes, and the spring 91 the other end can strength degree the bulge loop 32 that has in solid bar 30 of contact, while adjustment seat 70 can synchronous corresponding matching adjustable hinges speed of the blade when dextrad rotates self-closing soon with slowly.

First axle sleeve 11 can also be limited and control the axially activity of swivel nut 40, and the drive link 42 of the swivel nut 40 is by affixed Screw rod 98 is being locked through affixed drive link 42 through the screwing through hole of the first axle sleeve 11, is then passed through the another of the first axle sleeve 11 The screwing through hole of inner ring perisporium is held, so that the drive link 42 of swivel nut 40 can be fixed in one first axle sleeve 11, and 40 turns of the swivel nut It is dynamic to be connected in one end of the second axle sleeve 21；In one concrete structure, the end of the screw rod 31 that the solid bar 30 has has one affixed Bulge loop 32, and the bulge loop 32 is connected with connecting rod 311, the connecting rod 311 can be socketed the inner ring of spring 91, and the bulge loop 32 is outer Bulge loop sliding rail groove 332 is arranged with ring circumference, and the end of the bulge loop 32 is arranged with annular mounting groove 321.Wherein： The end of the screw rod that the solid bar has has an affixed bulge loop, and bulge loop sliding rail is arranged with the outer shroud side of the bulge loop Groove, and the solid bar is resisted against 332 in bulge loop sliding rail groove sliding into through the screwing through hole of the second axle sleeve 21, so that should Gu bar 339 can corresponding matching bulge loop sliding rail groove 332, it is relative to consolidate bar 30 on the edge of relative swivel nut 30 positioning and limit Will not be changed with the axial direction of upper slip and movement and the spacing dimension of wheelbase under axis.Wherein：The solid bar 339 socket is sliding to be slided Pivoted housing pipe 333, so that the sliding solid bar 339 for having the sleeve pipe 333 that trackslips of socket can be resisted against in bulge loop sliding rail groove 332, phase To more smooth so that solid motion of the bar with upper slip and movement under relative to swivel nut along axis of assistant reinforcement can be played, it is relative with Enable the first hinge 10 the one 12 vanes open with it is self-closing when it is more smooth.

The end of the screw rod 31 that the solid bar 30 has is connected with a bulge loop 32, recessed at the outer shroud peripheral side of the bulge loop 32 Bulge loop sliding rail groove 332 is provided with, and the end outer shroud of the bulge loop 32 is circumferentially arranged with annular mounting groove 321, in the annular O-ring seal 322 is socketed with mounting groove 321, and the O-ring seal 322 is also stretched out outside annular mounting recess 321, so that this is convex Ring 32 can be sealed to slip and abutted against in the second axle sleeve 21, the O-ring seal in the annular mounting recess 321 of the bulge loop 32 is limited Making the screw rod 31 in the second axle sleeve 21 can produce the damping force of strength under relative to swivel nut 40 along axis with upper slip and movement The effect effect of the resistance dynamics of degree and strength, it is relative so that the O-ring seal in the annular mounting recess 321 of bulge loop 32 can be limited The strong and weak release of the energy storage top elastic force degree of spring processed 91, so that the contact of one end energy strength of spring 91 is in auxiliary adjustment bullet At the plane of second bearing 200 on spring pad 80, and the spring 91 the other end can the contact of strength degree have in solid bar 30 Bulge loop 32 so that the O-ring seal in the annular mounting recess 321 of bulge loop 32 can limit the first blade 12 of the first hinge 10 Can realize that safety is self-closing with buffering when self-closing.

First blade 12 of first hinge 10 is opened for the first leaf of left-hand rotation direction to the first hinge 10 through promoting The 180 degree angle that piece 12 is opened, at the same time the first blade 12 of the first hinge 10 can drive the swivel nut in the second axle sleeve 21 40 rotate, so that the screw rod 31 that the solid bar 30 in two axle sleeves 21 of degree has can down be slided and moved relative to swivel nut 40 along axis, At the same time the bulge loop 32 of the screw rod 31 that the solid bar 30 has, in the energy storage elastic force of high pressure compressed spring 91 from top to bottom, with The energy storage elastic force of the spring 91 is produced change, the energy storage elastic force of spring 91 is produced release, so that one end of the spring 91 Energy storage elastic force degree energy strength contact is at annular convex ring 32, and the energy storage elastic force degree of the other end of the spring 91 energy strength contact It is relative so that spring 91 can make the first of the first hinge 10 at the plane of second bearing 200 on auxiliary adjustment spring shim 80 Blade 12 toward dextrad rotation direction return close so that the first blade 12 of the first hinge 10 can realize it is self-closing.The clutch shaft bearing 100 Can be rotationally socketed in the second axle sleeve 21 and be connected at the drive link 42 that swivel nut 40 has, and positioned at the axle sleeve of swivel nut 40 and second Between 21 groove platform 201；The second bearing 200 can rotationally be socketed in the second axle sleeve 21 and be connected to auxiliary adjustment spring At the flange 99 of pad 80, and between auxiliary adjustment spring shim 80 and spring 91, the clutch shaft bearing 100 and second bearing 200 can play solid motion of the bar with upper slip and movement under relative to swivel nut along axis of assistant reinforcement can be more smooth, relatively So that the first hinge 10 the one 12 vanes open with it is self-closing when can be more smooth.The plug 60 can rotationally be connected to second In axle sleeve 21, and the part stretched out outside the second axle sleeve 21, the screw vent through axle sleeve 21 is entered by the spiral shell of affixed screw rod 98, in lock Enter and enter interlocking secured adjusted seat 70 in spiral shell through after plug 60, at the same time the affixed screw rod 98 is first without coordinating axle sleeve 21 and blocking up First 60 interlocking secured adjusted seats 70 together, wait the adjusted rotation of adjustment seat 70, so that adjustment seat 70 can corresponding matching plug 60 and coordinate auxiliary adjustment spring shim 80 and solid bar 30, it is required between auxiliary adjustment spring shim 80 and plug 60 that can adjust Spacing dimension position, while can also adjust spacing dimension position required between auxiliary adjustment spring shim 80 and solid bar, together When adjustment seat also can synchronous corresponding matching adjustable hinge blade it is self-closing when speed soon with slowly, while it is energy that adjustment seat is also relative The release of the energy storage top elastic force degree of spring is adjusted, it is relative so that the energy corresponding matching of adjustment seat 70 adjusts the first of the first hinge 10 Speed when blade 12 is self-closing soon with it is slow after, then interlocking spiral shell restarted by waiting affixed screw rod 98 enter to prop up fixed tune Section seat 70, to prevent adjustment seat 70 from loosening.One end inner ring of the spring 91 is socketed at the connecting rod 311 that solid bar 30 has, and One end inner ring of the spring 91 is socketed at the flange 99 of auxiliary adjustment spring shim 80, so that one end energy strength of spring 91 Second bearing 200 on contact auxiliary adjustment spring shim 80, and the spring 91 the other end can strength degree the solid bar of contact 30 bulge loops 32 having.

The convex helical grinding tooth tooth of the straight gradient pitch of six forward directions between more than two of the screw rod 31 that the solid bar 30 has The data of 39 straight gradient pitch greatly with small setting, adaptation is spirally connected six straight gradients of forward direction between more than two of swivel nut 40 The data of the straight gradient pitch of the recessed helical grinding tooth tooth 46 of pitch greatly with small setting, existed with that can preset and limit screw rod 31 Relative to swivel nut 40 vertically under axial direction and the spacing dimension position of wheelbase with upper slip and movement, it is relative can preset With the strong and weak release of the energy storage top elastic force degree of limited spring 91, also with respect to can preset and limit the first hinge 10 Speed of first blade 12 when dextrad rotation direction is self-closing soon with slowly.The straight gradient pitch of six forward directions between this more than two The upper and lower spiral shell grinding tooth of outer shroud of screw rod 31 that has around solid bar 30 of convex helical grinding tooth tooth 39 to the upper and lower pitch of the outer shroud of screw rod 31 Whole spacing dimension strokes, be the relative straight gradient spiral shell of six forward directions that correspond between more than two that are adapted to the swivel nut 40 that be spirally connected Away from recessed helical grinding tooth tooth 46 around the groove through hole of swivel nut 40 the upper and lower spiral shell grinding tooth of inner ring to complete with the upper and lower pitch of swivel nut inner ring Portion's spacing dimension stroke.

The screw rod 31 that the solid bar 30 has may be configured as six convex helicals of reverse straight gradient pitch between more than two The size of data of the straight gradient pitch of grinding tooth tooth 39 is set, and the reversely setting bar number knot of the convex helical grinding tooth tooth of straight gradient pitch Structure, is adapted to the straight oblique of six recessed helical grinding tooth teeth 46 of reverse straight gradient pitch that the swivel nut 40 that is spirally connected is set between more than two The size of data for spending pitch is set, and the reversely setting bar table structure of the convex helical grinding tooth tooth of straight gradient pitch, relative so that the First blade 12 of one hinge 10 is opened for dextrad rotation direction through promoting；First blade 12 of the first hinge 10 through it is self-closing be a left side To rotation direction, while screw rod 31 can be relative to swivel nut 40 vertically down with slip up and movement in making a reservation for that hinge is rotated Set in angle.

Embodiment two

It is with the difference of embodiment one：Fig. 2 is refer to, first hinge 10 sets one first blade 12 and is fixed in First axle sleeve 11 of the first blade 12, and the first blade 12 of first hinge 10 is in folding shape (first hinge 10 First blade 12 can also be without in folding shape)；Second hinge 20 includes that two intervals are fixed in the two of hinge fixed seat 90 Second blade 22 at interval, and it is fixed in the second axle sleeve 21 of two second blades 22 at two intervals, the wheelbase of second axle sleeve 21 With the compartment of two first axle sleeves 11 away from adaptation, between second axle sleeve 21 adaptation is located at two first axle sleeves 11, second hinge 20 Two the second blades 22 of interval and hinge fixed seat 90 be fixed together, by arranging affixed screw rod 98 through hinge fixed seat 90 Screw vent in the screw vent through door frame so that hinge fixed seat 90 and door frame can be fixed together, it is relative with The door leaf of car door is set to exercise a kind of structure function that can decline and can preset the self-closing speed of hinge.Second axle sleeve 21 Inner ring through hole top is arranged with the groove platform 101 of the second axle sleeve 21, and the fourth bearing 95 socket is connected to the second axle sleeve 21 Inner ring and lie on the groove platform 101 of the second axle sleeve 21, and between the first axle sleeve 11 and the second axle sleeve, the 4th Bearing 95 can play the first hinge of assistant reinforcement 10 the one 12 vanes open with it is self-closing when can be more smooth.Second hinge 20 the second blades 22 having and hinge fixed seat 23 are fixed together, by arranging affixed screw rod 98 through hinge fixed seat 90 Screw vent in the screw vent through door frame so that the fixed seat 23 and door frame of hinge can be fixed together, relatively So that car door hinge can exercise a kind of structure function that can decline and can preset the self-closing speed of hinge.The swivel nut 40 can be rotated And can not slide and be movably attached in the inner ring of the second axle sleeve 21, the inner ring of the first axle sleeve 11 that first hinge 10 has The part that the drive link 42 that through hole and swivel nut 40 have is stretched out outside the second axle sleeve 21 is affixed；The top of swivel nut 40 is convexly equipped with drive link 42, and the inner ring through hole that the drive link 42 that has of the swivel nut 40 can rotationally through clutch shaft bearing 100 is through the second axle sleeve 21 Inner ring through hole groove platform 101 and penetrate the inner ring through hole of the first axle sleeve 11 again through fourth bearing 95, and the swivel nut 40 The adaptation of drive link 42 having is entered through the first axle sleeve positioned at the inner ring through hole of the first axle sleeve 11 by arranging the spiral shell of affixed screw rod 98 11 screwing through hole enters the screwing through hole of the other end inner ring perisporium that the first axle sleeve 11 is then passed through through drive link 42 spiral shell is locked, So that upper first axle sleeve 11 and drive link 42 are affixed together, it is relative so that swivel nut 40 can position and limit solid bar 30 in relative swivel nut 40 vertically under axial direction and the spacing dimension position of wheelbase with upper slip and movement.

First blade 12 of first hinge 10 is opened for dextrad rotation direction through promoting, so that the first of the first hinge 10 Blade 12 can drive the swivel nut 40 in the axle sleeve 21 of drive link 42 and second in the first axle sleeve 11 to rotate, so that the solid bar 30 has More than two of screw rod 31 between six reverse straight gradient pitch of the convex helical grinding tooth tooth 39 of straight gradient pitch data Greatly with small setting, six recessed helical grinding tooth teeth 46 of reverse straight gradient pitch being adapted between more than two of the swivel nut 40 that is spirally connected Straight gradient pitch data greatly with small setting, with can preset the screw rod 31 of solid bar 30 relative swivel nut 40 vertically under With the axial direction and the spacing dimension position of wheelbase of upper slip and movement, while the edge of bulge loop 32 that solid bar 30 has can be preset Axially down slide and the mobile energy storage elastic force degree for compressing spring 91, while can synchronously preset and limited spring 91 The strong and weak release of energy storage top elastic force degree, while so that screw rod 31 swivel nut 40 down can exist with activity up vertically relatively In the predetermined angular that hinge is rotated, the first blade 12 that the first hinge 10 also can be synchronously preset simultaneously rotates self-closing in left-hand When speed soon with slowly；The first blade 12 of the first hinge 10 is promoted in pine oil, so that the energy storage top elastic force degree of spring 91 can be produced Raw release, while the contact of one end energy strength of spring 91 is at the plane of second bearing 200 on auxiliary adjustment spring shim 80 The other end can strength degree contact at the bulge loop 32 that solid bar 30 has so that the screw rod of solid bar 30 can relative swivel nut 40 Axially up slide and mobile, while the first blade 12 that also can synchronously preset the first hinge 10 of hinge is rotated in left-hand Speed when self-closing soon with slowly.Using the adjusted rotation of adjustment seat 70, can coordinate plug 60 and coordinate auxiliary adjustment spring pad Piece 80, it is relative auxiliary that can adjust so that spacing dimension position required between auxiliary adjustment spring shim 80 and plug 60 can be adjusted Spacing dimension position required between regulation spring shim 80 and solid bar 30 is helped, while adjustment seat also can synchronous corresponding matching regulation Speed when the blade left-hand of hinge rotates self-closing soon with slowly, while adjustment seat 70 can also be adjusted in synchronism the storage with limited spring 91 The strong and weak release of elastic force degree can be pushed up, while the energy storage elastic force degree of the spring 91 can produce release, so that one end of spring 91 The contact of energy strength is at the plane of second bearing 200 on auxiliary adjustment spring shim 80, and the other end of the spring 91 energy The contact of strength degree is at the bulge loop 32 that solid bar 30 has, while the synchronous corresponding matching of the energy of adjustment seat 70 adjusts the first hinge 10 First blade 12 left-hand rotate it is self-closing when speed soon with slowly.

First axle sleeve 11 can also be limited and control the axially activity of swivel nut 40, and the drive link 42 of the swivel nut 40 is by affixed Screw 98 is locking affixed drive link 42 through the screwing through hole of the first axle sleeve 11, is then passed through in the other end of the first axle sleeve 11 The screwing through hole of peripheral wall, so that the drive link 42 of swivel nut 40 is fixed in one first axle sleeve 11, and the swivel nut 40 rotates connection In one end of the second axle sleeve 21；In one concrete structure, there is an affixed bulge loop 32 end of the screw rod 31 that the solid bar 30 has, And the bulge loop 32 is connected with connecting rod 311, bulge loop sliding rail groove 332 is arranged with the outer shroud circumference of the bulge loop 32, and should The end of bulge loop 32 is arranged with the mounting groove 321 of annular.

Embodiment three

It is with the difference of embodiment two：Fig. 3 to Fig. 3-1 to Fig. 3-2 is refer to, hinge includes one second hinge 20 With one first hinge 10；Second hinge 20 includes one second axle sleeve 21 and second blade being fixed in outside the second axle sleeve 21 22, and second axle sleeve 21 and hinge fixed seat 90 of the second blade 22 of second hinge 20 are affixed together, it is affixed by arranging Screw rod 98 passes through the screw vent of hinge fixed seat 90 in the screw vent through door frame, so that hinge fixed seat 90 and car door Frame can be fixed together, relative so that the door leaf of car door can exercise a kind of knot that can decline and can preset the self-closing speed of hinge Structure function；First hinge 10 includes one first axle sleeve 11 and first blade 12 being fixed in outside the first axle sleeve 11, and this first Axle sleeve 11 is located at the top half of the first blade 22, and the first blade 12 of first hinge 10 is in (first conjunction of folding shape First blade 12 of page 10 can also be without in folding shape)；Enter the spiral shell through the first axle sleeve 11 by the spiral shell of affixed screw 98 Nail through hole is being locked into affixed drive link 42 locking through change 41, so that the first axle sleeve 11 and change 41 and drive link 42 are affixed Together.The second flange 52 is set in adapter sleeve 50, the annular of plug 60 can be resisted against in adapter sleeve 50 by the second flange 52 In groove 520, so that the second flange 52 can inlay the annular groove 520 of embedded seat 60 in the adapter sleeve 50, so that plug 60 and the Two flanges 52 can be fixed in adapter sleeve 50, and the plug 60 stretches out adapter sleeve outer portion, entered through by the spiral shell of fixing screws 98 The screw vent of two axle sleeves 21, is being locked into affixed plug 60 so that the second axle sleeve 21 and plug 60 are affixed together.The He of swivel nut 40 Plug 60 is spaced；Solid bar 30, spring 91, auxiliary adjustment spring shim 80, stifled is provided between the swivel nut and plug in the adapter sleeve 50 First 60 and adjustment seat 70.

The drive link 42 of the swivel nut 40 can rotate and it is immovable be connected in the adapter sleeve 50 in the first axle sleeve 11, and The part that the drive link 42 that change 41 and swivel nut 40 in the axle sleeve 11 of the hinge 10 have is stretched out outside adapter sleeve 50 is affixed, the company Connect and be equipped with a change 41；The top of swivel nut 40 is convexly equipped with drive link 42, and the drive link 42 that the swivel nut 40 has can be rotationally Inner ring through hole through clutch shaft bearing 100 penetrates the inner ring through hole of change 41 again, and the drive link 42 that has of the swivel nut 40 is outer Ring side is cut flat with when the inner ring of the inner ring through hole of adaptation change 41 cuts flat with, and the change 41 adaptation is located in the first axle sleeve 11 Top, enters screwing through hole through axle sleeve 11 by arranging the spiral shell of affixed screw 98 and locks affixed transmission again being locked into through change 41 Bar 42, so that axle sleeve 11 and change 41 and drive link 42 are affixed together, so that the axle sleeve 11 of change 41 and first can also limit spiral shell Set 40 axially activity, with can position consolidate bar under relative to swivel nut along axis between the axial direction of upper slip and movement and wheelbase Will not be changed away from size positions, it is relative so that two hinges are when relatively rotating, screw rod can also with respect to swivel nut vertically it is lower with it is upper Slip and the predetermined set rotational angle that rotates of mobile the first blade 12 in the first hinge 10 in.

The adapter sleeve 50 is connected in the second axle sleeve 21 and in the first axle sleeve 11, under the axle sleeve 21 of the first axle sleeve 11 and second On be arranged side by side so that two hinges can be relatively rotated；The 3rd bearing 300 can also be rotated and is socketed in outside adapter sleeve 50, and the 3rd Bearing 300 is rotatably connected on one end circle circumferential plane of the second axle sleeve 21 and rotates connection and is socketed in the circle that first axle covers 11 one end Between circumferential plane so that the first hinge 10 axially rotated in relative second hinge 20 it is more smooth.Set in adapter sleeve 50 Third lip 53, can be resisted against in the annular groove 530 of clutch shaft bearing 100 by third lip 53 in adapter sleeve 50, so that Third lip 53 can inlay the annular groove 530 of clutch shaft bearing 100 in adapter sleeve 50, so that clutch shaft bearing 100 and the 3rd is convex Edge 53 can not go up relatively being movably attached be fixed in adapter sleeve (by setting third lip 53 in adapter sleeve so that Third lip 53 can inlay the annular groove 530 of clutch shaft bearing 100 in adapter sleeve 50, can axially limit clutch shaft bearing 100 Displacement), the clutch shaft bearing 100 is that the auxiliary blade 12 of hinge 10 can be more smooth through the rotation between opening and closing.The solid bar 30 There is an affixed bulge loop 32 end of the screw rod 31 having, and the bulge loop 32 is connected with connecting rod 33, the company of being socketed in of spring 91 Extension bar 33, and spring 91 one end can contact in bulge loop 32, and the spring 91 the other end can contact in auxiliary adjustment spring Between the front end circumferential plane of pad 80.

It is best：The first flange 51 is set in adapter sleeve 50, volution can be resisted against in adapter sleeve 50 by the first flange 51 In 43 annular groove 403, so that the first flange 51 can inlay volution annular groove 403 in adapter sleeve 50, so that volution 43 Connected together with the first flange 51 and adapter sleeve 50 and be fixed in adapter sleeve 50, relative to so that the volution 43 can not rotate can not Slide and be movably attached and be fixed in adapter sleeve 50.The volution 43 is arranged with through through hole, and the volution 43 through through hole The circumferential leading edge projection of inner ring put whorled interior ring flange 433, and the interior ring flange 433 of the volution can be resisted against bulge loop cunning It is relative so that the bulge loop slip of the bulge loop 32 that the solid bar 30 of energy corresponding matching of interior ring flange 433 of volution has in dynamic orbital groove Orbital groove 332, with can position and limit solid bar relative to swivel nut vertically down with slip up and the axial direction of movement and The spacing dimension of wheelbase will not change.The volution 43 is located under swivel nut and the screw rod 31 is spirally connected swivel nut 40 again through volution 43, with The axial direction and axle for the volution 43 is limited and controlling the screw rod 31 with upper slip and movement under relative to swivel nut 40 along axis Away from spacing dimension will not change.Wherein：The interior ring flange 433 of the volution is socketed with the sleeve pipe 333 that trackslips, so that socket is slided Being connected to the interior ring flange 433 of the volution of the sleeve pipe 333 that trackslips can be resisted against in bulge loop sliding rail groove 332, relative can play Solid motion of the bar with upper slip and movement under relative to swivel nut along axis of assistant reinforcement is more smooth, relative so that the first hinge 10 the one 12 vanes open with it is self-closing when can be more smooth.

Example IV

A kind of structure that can decline and can preset the self-closing speed of hinge, can such as be adapted to be arranged at the height of any shape It is relative so that a kind of structure that can decline and can preset the self-closing speed of hinge in sealed jib door, the axle sleeve of convex door hinge High sealing formula jib door, convex door hinge, any freezer door, refrigerator doors, cold-storage door, oven door, baking oven experimental facilities can be installed on Door, experiment chamber door, simulated environment experimental facilities door, plant equipment door, drying equipment door, soundproof door, special door, fresh-keeping warehouse, The door leaf of tealeaves storehouse door, civil engineering storehouse door and any ship door etc., so that high sealing formula jib door, convex door hinge can exercise a kind of energy Decline and can preset the structure function of the self-closing speed of hinge.

It is with the difference of embodiment three：Fig. 4 to Fig. 4-1 to 4-2 is refer to, hinge includes the first hinge 10, consolidates Seat 20, solid bar 30, swivel nut 40, volution 43, adapter sleeve 50, auxiliary adjustment spring shim 80, plug 60 and adjustment seat 70.This first Hinge 10 includes the first axle sleeve 11 and the first blade 12 being fixed in outside the first axle sleeve 11, and the solid seat 20 includes the He of a fixed plate 25 One vertical base plate 22 and one is fixed in projection seat 23 on base plate 22, and the end face of the vertical base plate 22 of the projection seat 23 is arranged with one Two axle sleeves 21.The vertical base plate 22 can be configured to the second hinge 20, and second hinge 20 can be configured to the second blade 22, and should Gu seat 20 can be configured to the second hinge 20.The adapter sleeve 50 is connected in the first axle sleeve 11 and the second axle sleeve 21；The 3rd bearing 300 are rotatably connected between the first axle sleeve 11 and the second axle sleeve 21 of projection seat 23, the 3rd bearing 300 also can turning set connect in succession Outside adapter sleeve 50 so that hinge 10 rotated relative to the axis of seat 20 admittedly can be more smooth, first axle sleeve 11 and projection seat 23 Second axle sleeve 21 is arranged side by side so that 21 turns of second axle sleeve of the relative projection seat 23 of the energy of the first blade 12 that the first hinge 10 has It is dynamic so that hinge can constitute the convex door of high sealing formula, flat door hinge structure.

The swivel nut 40 can rotate and it is immovable be connected in the adapter sleeve 50 in axle sleeve 11, the axle that the hinge 10 has The part that change 41 and the drive link 42 that has of swivel nut 40 in set 11 are stretched out outside adapter sleeve 50 is affixed, and this is affixed to be equipped with one turn Ring 41, the top of swivel nut 40 is convexly equipped with drive link 42, and the drive link 42 that the swivel nut 40 has can rotationally pass through clutch shaft bearing 100 inner ring through hole penetrates the inner ring through hole of change 41 again, and the outer shroud side of drive link 42 that the swivel nut 40 has cuts flat with side The inner ring for being adapted to the inner ring through hole of change 41 cuts flat with side, and top of the change 41 adaptation in the first axle sleeve 11, by matching somebody with somebody If the spiral shell of affixed screw 98 enters screwing through hole through axle sleeve 11 locks affixed drive link 42 being locked into through change 41 again, so that axle Set 11 and change 41 and drive link 42 are affixed together, so that the axial direction that the axle sleeve 11 of change 41 and first can also limit swivel nut 40 is living It is dynamic, with can position consolidate bar under relative to swivel nut along axis with the axial direction and the spacing dimension position of wheelbase of upper slip and movement Will not change, relatively so that two hinges are when relatively rotating, screw rod can also be with respect to swivel nut lower and upper slip and shifting vertically In the predetermined set rotational angle that the first blade 12 moved in the first hinge 10 is rotated.The second flange 52 is set in adapter sleeve 50, is led to The outer shroud circumferential groove 520 for crossing plug coordinates the second flange 52 and the set 50 that is connected, and makes the flange 52 of plug 60 and second and connects Female connector 50 connects affixed together in adapter sleeve 50, and the plug 60 stretches out the outer portion of adapter sleeve 50, is entered by the spiral shell of affixed screw 98 Through the screwing through hole of axle sleeve 21, interlocking secured adjusted seat 70 is entered in spiral shell being locked into through after plug 60, at the same time this is affixed Screw 98 first without coordinating axle sleeve 21 and plug 60 interlocking secured adjusted seat 70 together, waits the adjusted rotation of the adjustment seat 70 to match somebody with somebody Close plug 60 and coordinate auxiliary adjustment spring shim and solid bar 30, needed for it can adjust auxiliary adjustment spring shim 80 and plug 60 The spacing dimension position wanted, while adjustment seat 70 can also adjust distance ruler required between auxiliary adjustment spring shim 80 and solid bar Very little position, at the same adjustment seat also can synchronous corresponding matching adjustable hinge blade it is self-closing when speed soon with slowly, while adjustment seat Also the release of the energy storage top elastic force degree of spring can be adjusted in synchronism, while the adjustment seat 70 can the first hinge of synchronous corresponding matching adjustment Speed when 10 the first blade 12 is self-closing soon with it is slow after, then interlocking spiral shell restarted by waiting affixed screw rod 98 reach Firmly secured adjusted seat 70, to prevent adjustment seat 70 from loosening.The swivel nut and plug 60 are spaced, swivel nut 40 and plug in the adapter sleeve Solid bar 30, volution 43, auxiliary adjustment spring shim 80, spring 91 are provided between 60, the solid bar 30 has screw rod 31.

It is best：The first flange 51 is set in adapter sleeve 50, volution can be resisted against in adapter sleeve 50 by the first flange 51 In 43 annular groove 403, so that the first flange 51 can inlay the annular groove 403 of volution 43 in adapter sleeve 50, so that spiral shell The flange 51 of ring 43 and first can not be rotated and slidably connection is fixed in adapter sleeve 50 together.It is convex the 3rd to be set in adapter sleeve 50 Edge 53, the annular groove 530 of clutch shaft bearing 100 can be resisted against by third lip 53, so that third lip in adapter sleeve 50 53 annular grooves 530 that clutch shaft bearing 100 can be inlayed in adapter sleeve 50, so that clutch shaft bearing 100 and third lip 53 can not Go up relatively under movably together be connected and be fixed in adapter sleeve 50 (set third lip 53 by adapter sleeve 50 so that Third lip 53 can inlay the annular groove 530 of clutch shaft bearing 100 in adapter sleeve 50, can axially limit clutch shaft bearing 100 Displacement).One end support of spring 91 is at the bulge loop 32 that solid bar 30 has, and the other end support of spring 91 is in auxiliary adjustment spring At pad.The second flange 52 is set in adapter sleeve 50, the ring of plug 60 can be resisted against in adapter sleeve 50 by the second flange 52 In connected in star 520, so that the second flange 52 can inlay the annular groove 520 of plug 60 in adapter sleeve 50, so that the He of plug 60 Second flange 52 relative can not be slided and movably connection is fixed in adapter sleeve 50 together, and the plug 60 stretches out adapter sleeve 50 Outer portion is fixed in axle sleeve 21.The volution 43 is located under swivel nut and the screw rod 31 is socketed through volution through hole and is spirally connected again swivel nut 40.The solid bar 30 also has an affixed screw rod 31, and the screw rod 31 also has an affixed bulge loop 32, and the solid bar 30 has Bulge loop 32 also have an affixed connecting rod 33.Wherein：It is recessed at the outer shroud peripheral side of the bulge loop 32 that the solid bar 30 has Have bulge loop sliding rail groove 332, and the inner ring forward position of the volution is convexly equipped with so that the interior ring flange of the volution can be resisted against it is convex In ring sliding rail groove, it is relative so that the volution interior ring flange 433 can corresponding matching bulge loop sliding rail groove 332, with Can position and the solid bar of limitation will not with the wheelbase and axial spacing dimension of upper slip and movement under relative to swivel nut along axis Change, when relatively so that two hinges are relatively rotated, the lower and upper slip and movement that swivel nut and screw rod can also be axially relatively exist In the predetermined set rotational angle that hinge is rotated.Wherein：The interior ring flange 433 of the volution is socketed with the sleeve pipe 333 that trackslips, with The interior ring flange 433 for enabling socket to slip the volution for having the sleeve pipe 333 that trackslips is resisted against in bulge loop sliding rail groove 332, relatively It is more smooth so that solid motion of the bar with upper slip and movement under relative to swivel nut along axis of assistant reinforcement can be played, it is relative so that One 12 vanes of the first hinge 10 open with it is self-closing when can be more smooth.Third lip 53 is set in adapter sleeve 50, is passed through Third lip 53 can be resisted against in the annular groove 530 of clutch shaft bearing 100 in adapter sleeve 50, so that third lip 53 is in connection Cover the annular groove 530 that 50 interior energies inlay clutch shaft bearing 100 so that clutch shaft bearing 100 and third lip 53 can not go up relatively with Under be movably attached and be fixed in adapter sleeve (by setting third lip 53 in adapter sleeve, so that third lip 53 is in connection The annular groove 530 that 50 interior energies inlay clutch shaft bearing 100 is covered, is shifted with can axially limit clutch shaft bearing 100), the clutch shaft bearing 100 be aid in the first hinge 10 the first blade 12 can be more smooth through the rotation between opening and closing.What the solid bar 30 had There is an affixed bulge loop 32 end of screw rod 31, and the bulge loop 32 is connected with connecting rod 33, and the spring 91 is socketed in connecting rod 33, And spring 91 one end can support in bulge loop 32, and the spring 91 the other end can support to arrive in second bearing 200 and auxiliary adjust Between the section front end circumferential plane of spring shim 80.The second flange 52 is set in adapter sleeve 50, by the outer shroud circumferential groove 520 of plug Coordinate the second flange 52 and the set 50 that is connected, so that the flange 52 of plug 60 and second and adapter sleeve 50 connect affixed together even In female connector 50, and the plug 60 is stretched out in the affixed axle sleeve 21 of adapter sleeve outer portion.

First blade 12 of first hinge 10 is opened for left-hand rotation direction through promoting, so that the first of the first hinge 10 Blade 12 can drive the swivel nut 40 in change 41 and the axle sleeve 21 of drive link 42 and second in the first axle sleeve 11 to rotate, so that this is solid The straight gradient spiral shell of the convex helical grinding tooth tooth 39 of the straight gradient pitch of six forward directions among more than two of the screw rod 31 that bar 30 has Away from data greatly with small setting, adaptation is spirally connected the recessed helical of the straight gradient pitch of six forward directions among more than two of swivel nut 40 The data of the straight gradient pitch of grinding tooth tooth 46 greatly with small setting, so that the screw rod 31 of solid bar 30 can be preset in relative swivel nut 40 With the axial direction and the spacing dimension position of wheelbase of upper slip and movement under vertically, while solid bar 30 can be preset having Bulge loop 32 down slide vertically and the energy storage elastic force degree of spring 91 is compressed in movement, while can synchronously preset and limit The strong and weak release of the energy storage top elastic force degree of spring processed 91, while so that screw rod 31 can relative swivel nut 40 vertically down with it is past On activity hinge rotate predetermined angular in, also simultaneously can synchronously preset the first blade 12 of the first hinge 10 on the right side To rotate it is self-closing when speed soon with slowly；The first blade 12 of the first hinge 10 is promoted in pine oil, so that the energy storage top of spring 91 Elastic force degree can produce release, while second bearing of the contact of one end energy strength of spring 91 on auxiliary adjustment spring shim 80 The other end at 200 planes can strength degree contact at the bulge loop 32 that solid bar 30 has, while also relative can be synchronously advance Set hinge the first hinge 10 the first blade 12 dextrad rotate it is self-closing when speed soon with slowly.Using adjustment seat 70 through adjusting Save and rotate, can coordinate plug 60 and coordinate auxiliary adjustment spring shim 80, can adjust auxiliary adjustment spring shim 80 and block up Spacing dimension position required between first 60, it is relative with can adjust between auxiliary adjustment spring shim 80 and solid bar 30 it is required between Away from size positions, at the same adjustment seat also can the speed of the blade dextrad of synchronous corresponding matching adjustable hinge when rotating self-closing soon with Slowly, also with respect to so that adjustment seat 70 can be adjusted in synchronism and limited spring 91 energy storage top elastic force degree strong and weak release, while The energy storage elastic force degree of the spring 91 can produce release, so that the contact of one end energy strength of spring 91 is in auxiliary adjustment spring shim At the plane of second bearing 200 on 80, and the spring 91 the other end can strength degree the bulge loop that has in solid bar 30 of contact 32, at the same adjustment seat 70 can the speed of the blade dextrad of synchronous corresponding matching adjustable hinge when rotating self-closing soon with slowly.

Embodiment five

A kind of structure that can decline and can preset the self-closing speed of hinge, can such as be adapted to be arranged at any indoor external door In the axle sleeve of hinge and any hinge for door and window, can such as be adapted to be arranged at butterfly hinge, H types hinge, master and slave type hinge, flag-shaped conjunction It is relative so that a kind of structure that can decline and can preset the self-closing speed of hinge in the axle sleeve of page and any peculiar hinge Indoor external door and hinges of door and window, the door leaf of any indoor external door and the door leaf of any door and window etc. can be installed on, so that indoor External door and hinges of door and window can exercise a kind of structure function that can decline and can preset the self-closing speed of hinge.

It is with example IV difference：Fig. 5 to Fig. 5-1 to 5-6 is refer to, second hinge 20 includes one second Axle sleeve 21 and one is fixed in the second blade 22 outside the second axle sleeve 21, and second axle sleeve 21 is located at the latter half of the second blade 22； First hinge 10 includes one first axle sleeve 11 and first blade 12 being fixed in outside the first axle sleeve 11, and first axle sleeve 11 sets In the top half of the first blade 12；Enter screwing through hole through the first axle sleeve 11 by the spiral shell of affixed screw 98 locking through turning Ring 41 is being locked into affixed drive link 42, so that the first axle sleeve 11 and change 41 and drive link 42 are affixed together.In adapter sleeve 50 If the second flange 52, can be resisted against in the annular groove 520 of plug 60 in adapter sleeve 50 by the second flange 52, so that second Flange 52 can inlay the annular groove 520 of plug 60 in adapter sleeve 50, so that the flange 52 of plug 60 and second can the company of being fixed in In female connector 50, the plug 60 stretches out adapter sleeve outer portion, and the screw vent through the second axle sleeve 21 is entered by the spiral shell of affixed screw rod 98, Affixed plug 60 is being locked into so that the second axle sleeve 21 and plug 60 are affixed together.

Hinge also includes adapter sleeve 50, swivel nut 40, solid bar 30, clutch shaft bearing 100, spring 91, auxiliary adjustment spring shim 80th, plug 60 and adjustment seat 70.The drive link 42 that swivel nut 40 has can rotationally be connected to the first axle sleeve 11 of the first hinge 10 Interior, the connection is equipped with a change 41；Plug 60 is fixed in the second axle sleeve 21 of the second hinge 20, between 40 swivel nuts and plug 60 Every；Solid bar 30, volution 43, spring 91, auxiliary adjustment spring shim are provided between the swivel nut 40 and plug 60 in the axle sleeve of two hinges 80 and adjustment seat 70, and the contact of spring 91 is between the bulge loop 32 and auxiliary adjustment spring shim 80 that solid bar 30 has.The company Female connector 50 is connected in the second axle sleeve 21 and in the first axle sleeve 11, is arranged side by side on 11 and second axle sleeve of the first axle sleeve 21 times, Enable that two hinges are relatively rotated；The 3rd bearing 300 can also be rotated and is socketed in outside adapter sleeve 50, and the 3rd bearing 300 is rotated Be connected to the second axle sleeve 21 one end circle circumferential plane and rotate connection be socketed in first axle cover 11 one end round circumferential plane it Between, so that the first hinge 10 can be more smooth when being rotated along axis relative to the second hinge 20, second axle sleeve 21 and first axle Set 11 is arranged side by side so that two hinges can be rotated axially relatively.

The swivel nut 40 can rotate and it is immovable be connected in adapter sleeve 50, the first axle sleeve that first hinge 10 has The part that the drive link 42 that change 41 and swivel nut 40 in 11 have is stretched out outside adapter sleeve 50 is affixed, and the change 41 adaptation is located at the Upper end in one axle sleeve 11, this is affixed to be equipped with a change 41, and the top of swivel nut 40 is convexly equipped with drive link 42, and the swivel nut 40 The drive link 42 having can rotationally pass through the inner ring through hole of clutch shaft bearing 100 to penetrate the inner ring through hole of change 41, and the spiral shell again The outer shroud side of the drive link 42 that set 40 has is cut flat with when the inner ring of the inner ring through hole of adaptation change 41 cuts flat with, and the change 41 Top of the adaptation in the first axle sleeve 11, the screw vent through the first axle sleeve 11 is entered in lock by arranging the spiral shell of affixed screw rod 98 Enter through change 41 and lock affixed drive link 42 again, so that the first axle sleeve 11 and change 41 and drive link 42 are affixed together, with energy Positioning and the solid bar of limitation under relative to swivel nut along axis with the axial direction and the spacing dimension position of wheelbase of upper slip and movement.Should The axle sleeve 11 of change 41 and first can also be limited and control the axially activity of swivel nut 40.The second flange 52 is set in adapter sleeve 50, is led to Crossing the second flange 52 can be resisted against in the annular groove 520 of plug 60 in adapter sleeve 50, so that the second flange 52 is in adapter sleeve 50 interior energies inlay the annular groove 520 of plug 60, so that the flange 52 of plug 60 and second can be connected and is fixed in adapter sleeve, this is blocked up First 60 stretch out the outer portion of adapter sleeve 50, and the screw vent through left axle sleeve 11 is entered by the spiral shell of affixed screw rod 98, are being locked into through stifled Enter interlocking secured adjusted seat 70 in spiral shell after first 60, at the same time the affixed screw 98 is first without coordinating the second axle sleeve 21 and plug 60 Interlocking secured adjusted seat 70, waits the adjusted rotation of the adjustment seat 70 with energy corresponding matching plug 60 and coordinates auxiliary adjustment together Spring shim and coordinate the screw rod 31 of solid bar 30 and coordinate swivel nut, it is relative so that auxiliary adjustment spring shim 80 and plug can be adjusted Spacing dimension position required between 60, while can also adjust the spacing dimension position of auxiliary adjustment spring shim 80 and solid bar 30 Put, also the release of the relative top elastic force degree for being the energy storage that can adjust spring 91, while adjustment seat also can synchronous corresponding matching regulation The speed when blade of hinge is self-closing soon with slowly, while the energy storage elastic force degree that the adjustment seat can adjust spring 91 can produce release, So that the contact that the other end of the contact of one end energy strength of the spring 91 at auxiliary adjustment spring shim 80 energy strength exists Gu at the bulge loop 32 that bar 30 has, so that the screw rod 31 that solid bar 30 has can axially up sliding and mobile, phase relative to swivel nut Pair so that the adjustment seat 70 can corresponding matching adjust speed of the first blade of the first hinge when left-hand rotates self-closing soon with slowly, So that the first blade 12 of the first hinge 10 can be realized self-closing, then interlocking spiral shell is restarted by waiting affixed screw rod 98 reach Firmly secured adjusted seat 70, to prevent adjustment seat 70 from loosening.The swivel nut 40 and plug 60 are spaced, the He of swivel nut 40 in the adapter sleeve 50 Solid bar 30, spring 91, auxiliary adjustment spring shim 80 are provided between plug 60.The solid bar 30 has screw rod 31.

First blade 12 of first hinge 10 is opened for dextrad rotation direction through promoting, so that the of the first hinge 10 One blade 12 can drive the swivel nut 40 in change 41 and the axle sleeve 21 of drive link 42 and second in the first axle sleeve 11 to rotate, so that should Gu six straight gradients of the convex helical grinding tooth tooth 39 of reverse straight gradient pitch between more than two of the screw rod 31 that bar 30 has The data of pitch greatly with small setting, the reverse directly recessed spiral shells of gradient pitch of adaptation be spirally connected between more than two of swivel nut 40 six The data of the straight gradient pitch of line grinding tooth tooth 46 greatly with small setting, so that the screw rod 31 of solid bar 30 can be preset in relative swivel nut 40 vertically under axial direction and the spacing dimension position of wheelbase with upper slip and movement, while solid bar 30 can be preset having Bulge loop 32 down slide vertically and the energy storage elastic force degree of spring 91 is compressed in movement, while can synchronously preset and limit The strong and weak release of the energy storage top elastic force degree of spring processed 91, while so that screw rod 31 can relative swivel nut 40 vertically down with it is past On activity hinge rotate predetermined angular in, also simultaneously can synchronously preset the first blade 12 of the first hinge 10 on a left side To rotate it is self-closing when speed soon with slowly；The first blade 12 of the first hinge 10 is promoted in pine oil, so that the energy storage top of spring 91 Elastic force degree can produce release, while second bearing of the contact of one end energy strength of spring 91 on auxiliary adjustment spring shim 80 The other end at 200 planes can strength degree contact at the bulge loop 32 that solid bar 30 has, while also relative can be synchronously advance Set hinge the first hinge 10 the first blade 12 left-hand rotate it is self-closing when speed soon with slowly.Using adjustment seat 70 through adjusting Save and rotate, can coordinate plug 60 and coordinate auxiliary adjustment spring shim 80, can adjust auxiliary adjustment spring shim 80 and block up Spacing dimension position required between first 60, it is relative with can adjust between auxiliary adjustment spring shim 80 and solid bar 30 it is required between Away from size positions, at the same adjustment seat also can synchronous corresponding matching adjustable hinge speed of the blade when left-hand rotates self-closing soon with Slowly, also with respect to so that adjustment seat 70 can be adjusted in synchronism and limited spring 91 energy storage top elastic force degree strong and weak release, while The energy storage elastic force degree of the spring 91 can produce release, so that the contact of one end energy strength of spring 91 is in auxiliary adjustment spring shim At the plane of second bearing 200 on 80, and the spring 91 the other end can strength degree the bulge loop that has in solid bar 30 of contact 32, at the same adjustment seat 70 can synchronous corresponding matching adjustable hinge speed of the blade when left-hand rotates self-closing soon with slowly.

It is best：The first flange 51 is set in adapter sleeve 50, volution can be resisted against in adapter sleeve 50 by the first flange 51 In 43 annular groove 403, so that the first flange can inlay volution annular groove 403 in adapter sleeve, so that volution 43 and One flange 51 and adapter sleeve 50 connect be fixed in adapter sleeve 50 together, relative to so that the volution can not rotate can not slide and It is movably attached and is fixed in adapter sleeve 50.The volution 43 is arranged with through through hole, and the volution 43 the inner ring through through hole Whorled interior ring flange 433 is put in circumferential leading edge projection, and the interior ring flange 433 of the volution can be resisted against bulge loop sliding rail In groove, it is relative so that volution interior ring flange 433 can the bulge loop sliding rail of bulge loop 32 that has of the solid bar 30 of corresponding matching it is recessed Groove 332, with can position and limit solid bar relative to swivel nut vertically down with slip up and the axial direction of movement and wheelbase Spacing dimension will not change.The volution 43 is located under swivel nut and the screw rod 31 is spirally connected swivel nut 40 again through volution 43, so that the spiral shell Ring 43 can position and can limit the screw rod 31 under relative to swivel nut 40 along axis with the axial direction of upper slip and movement and wheelbase Spacing dimension will not change.

The above, only the utility model preferred embodiment, therefore can not according to this limit the utility model implementation Scope, i.e., the equivalence changes made according to the utility model the scope of the claims and description and modification, all should still belong to this practicality new In the range of type covers.

Claims

1. a kind of structure that can decline and can preset the self-closing speed of hinge, including fixed seat, two hinges, solid bar, swivel nut, bullet Spring, auxiliary adjustment spring shim and bearing, two hinge can be relatively rotated, and each hinge all includes axle sleeve and is fixed in axle sleeve Outer blade, and the solid bar has screw rod；It is characterized in that：Also include plug and adjustment seat, the swivel nut has drive link, the biography Lever is fixed in the axle sleeve of a hinge, and the plug is fixed in the axle sleeve of a hinge, and the swivel nut and plug are spaced；Two hinge Axle sleeve in swivel nut and plug between be provided with solid bar, volution, spring, auxiliary adjustment spring shim, bearing and adjustment seat, the solid bar Convex helical grinding tooth tooth with screw rod is adapted to the recessed helical grinding tooth tooth of the swivel nut that is spirally connected, and the spring top is against bulge loop and auxiliary adjustment bullet Between spring pad；The vanes of hinge are promoted and are opened for left-hand rotation direction, so that the blade of hinge can be driven in the first axle sleeve Drive link and the second axle sleeve in swivel nut rotate, the bulge loop that enabling the solid bar has slides down dynamic pressure and crouches spring vertically Energy storage elastic force degree, it is relative so that more than the two convex helical grinding tooth teeth of positive straight gradient pitch of the screw rod that solid bar has it is straight tiltedly Big and the small data for spending pitch is set, and the positive directly convex helical grinding tooth tooth of gradient pitch setting bar table structure, adaptation is spirally connected The big and small data of the straight gradient pitch of the recessed helical grinding tooth tooth of the positive straight gradient pitch of more than two of swivel nut is set, and positive The setting bar table structure of the convex helical grinding tooth tooth of straight gradient pitch, with can preset screw rod relative swivel nut vertically under with it is upper Slip and movement axial direction and wheelbase spacing dimension position, it is relative can synchronously preset the energy storage top bullet with limited spring Dynamics by force with weak release, also relative to can synchronously preset the speed of the blade of hinge when dextrad rotates self-closing soon with slowly； The blade of hinge is promoted in pine oil, so that the energy storage top elastic force degree of spring can produce release, so that one end energy strength of spring The other end of the contact at second bearing plane can strength degree contact at the bulge loop that solid bar has so that the screw rod of solid bar Can up be moved relative to the axial direction of swivel nut, while also relative to can synchronously preset the blade of hinge when dextrad rotation is self-closing Speed soon with slowly；Using the adjusted rotation of adjustment seat, can coordinate plug and coordinate auxiliary adjustment spring shim and solid bar, with energy Required spacing dimension position between adjustment auxiliary adjustment spring shim and plug, it is relative so that auxiliary adjustment spring shim can be adjusted Required spacing dimension position and between solid bar, while strong and weak that adjustment seat can also adjust the energy storage top elastic force degree of spring is released Put so that adjustment seat can synchronously correspond to the speed of the blade of adjustable hinge when dextrad rotates self-closing soon with slowly.

2. a kind of energy according to claim 1 declines and can preset the structure of the self-closing speed of hinge, it is characterised in that： The hinge arrangement can be arranged in the axle sleeve of the body hinge of any shape or compartment door hinge, the end of the screw rod that the solid bar has End has an affixed bulge loop, and bulge loop sliding rail groove is arranged with the outer shroud side of the bulge loop, and the solid bar passes through axle sleeve Screwing through hole be resisted against in bulge loop sliding rail groove sliding into so that the solid bar energy corresponding matching bulge loop sliding rail is recessed Groove, relative to can position and limit solid bar under relative to swivel nut along axis between the axial direction of upper slip and movement and wheelbase Carpenters square cun will not change.

3. a kind of energy according to claim 1 declines and can preset the structure of the self-closing speed of hinge, it is characterised in that： The hinge arrangement can be arranged in the body hinge of any shape, the axle sleeve of compartment door hinge, and the two of the screw rod that the solid bar has Six between more than bar reversely the straight gradient pitch of the convex helical grinding tooth tooth of straight gradient pitch data greatly with small setting, and The setting bar table structure of the convex helical grinding tooth tooth of reverse straight gradient pitch, six be adapted between more than two of the swivel nut that is spirally connected are anti- To the recessed helical grinding tooth tooth of straight gradient pitch straight gradient pitch data greatly with small setting, and reverse straight gradient pitch is convex The setting bar table structure of helical grinding tooth tooth, it is relative with can preset screw rod relative swivel nut vertically under with upper slip and shifting Dynamic axial direction and the spacing dimension position of wheelbase.

4. a kind of energy according to claim 2 declines and can preset the structure of the self-closing speed of hinge, it is characterised in that： Annular groove is arranged with the outer shroud circumference of one end of the bulge loop, and the annular groove is socketed with O-ring seal, and the fluid sealant Circle is also stretched out outside annular mounting recess, is abutted against in axle sleeve with that can seal.

5. a kind of energy according to claim 3 declines and can preset the structure of the self-closing speed of hinge, it is characterised in that： The hinge arrangement can be arranged in the body hinge of any shape, the axle sleeve of compartment door hinge, the drive link energy that the swivel nut has Rotate and it is immovable be connected in the axle sleeve of a hinge, and this connects through change connection；The plug can not rotate and It is connected to immovablely in the axle sleeve of a hinge.

6. a kind of energy according to claim 4 declines and can preset the structure of the self-closing speed of hinge, it is characterised in that： The hinge arrangement can be arranged in the axle sleeve of high sealing formula door hinge of any shape, and the end of the screw rod that the solid bar has has One affixed bulge loop, is arranged with bulge loop sliding rail groove at the outer shroud side of the bulge loop, and the volution in through hole Whorled interior ring flange is put in the circumferential forward position projection of ring, the interior ring flange of the volution is resisted against bulge loop sliding rail groove It is interior, it is relative to consolidate bar in relative swivel nut positioning so that the interior ring flange energy corresponding matching bulge loop sliding rail groove of the volution Will not be changed with the axial direction of upper slip and movement and wheelbase under vertically.

7. a kind of energy according to claim 4 declines and can preset the structure of the self-closing speed of hinge, it is characterised in that： Including spring, the other end of the bulge loop that the solid bar of the contact of the energy storage spring energy strength of the spring one end has can strength contact Auxiliary adjustment spring shim.

8. a kind of energy according to claim 5 declines and can preset the structure of the self-closing speed of hinge, it is characterised in that： The hinge arrangement can be arranged in the axle sleeve of the door leaf of the hinge of any shape and any door and window, and between this more than two six The upper and lower spiral shell grinding tooth of outer shroud of the screw rod that the convex helical grinding tooth tooth of the reverse straight gradient pitch of bar has around solid bar to, and screw rod outer shroud Whole spacing dimension strokes of upper and lower pitch, are relative reversely straight corresponding to six between more than two that are adapted to the swivel nut that be spirally connected The recessed helical grinding tooth tooth of gradient pitch around the groove through hole of swivel nut inner ring upper and lower spiral shell grinding tooth to and the upper and lower pitch of swivel nut inner ring Whole spacing dimension strokes.

9. a kind of energy according to claim 5 declines and can preset the structure of the self-closing speed of hinge, it is characterised in that： Also include adapter sleeve, the solid bar can be slided and the corresponding matching swivel nut that moves is connected in adapter sleeve, the swivel nut can be rotated and not Can slide and be movably attached in adapter sleeve, the spring and auxiliary adjustment spring shim are located in adapter sleeve；One hinge The part that axle sleeve and swivel nut are stretched out outside adapter sleeve is affixed, and the part that the axle sleeve of another hinge and solid seat are stretched out outside adapter sleeve is consolidated Connect.

10. a kind of can decline according to claim 5 exists with the structure that can preset the self-closing speed of hinge, its feature In：Also include that energy relative motion and adjustable ground are located at the adjustment seat in plug, the inner ring through hole of the auxiliary adjustment spring shim The part stretched out outside plug with adjustment seat connects.