CN106499285A - The self-positioning and self-closing hinge of high sealing formula door vapour-pressure type - Google Patents
The self-positioning and self-closing hinge of high sealing formula door vapour-pressure type Download PDFInfo
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- CN106499285A CN106499285A CN201510631441.6A CN201510631441A CN106499285A CN 106499285 A CN106499285 A CN 106499285A CN 201510631441 A CN201510631441 A CN 201510631441A CN 106499285 A CN106499285 A CN 106499285A
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- 238000007789 sealing Methods 0.000 title claims abstract description 65
- 239000007787 solid Substances 0.000 claims abstract description 116
- 230000000694 effects Effects 0.000 claims abstract description 22
- 239000011148 porous material Substances 0.000 claims description 72
- 230000000903 blocking effect Effects 0.000 claims description 29
- 230000006978 adaptation Effects 0.000 claims description 8
- 238000001727 in vivo Methods 0.000 claims 1
- 238000004146 energy storage Methods 0.000 description 34
- 238000000034 method Methods 0.000 description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 14
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- 244000228957 Ferula foetida Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010665 pine oil Substances 0.000 description 1
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Abstract
The invention discloses the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type, including hinge, solid seat, solid bar, swivel nut, plug and center.The hinge sets axle sleeve and blade, Gu seat sets axle sleeve.The center is arranged with first row air inlet；Center is socketed in the axle sleeve of the axle sleeve of hinge and solid seat；Solid bar, centre mount, two springs and check valve are provided between the swivel nut and plug in center；The swivel nut and solid bar is provided with exhaust pition Gu the screw rod of bar is spirally connected, exhaust pition sealing is slipped in center；First spring top is against between solid bar and centre mount, and between centre mount and check valve, check valve sealing is located in center the retaining spring contact, constitutes air-pressure chamber between exhaust pition and check valve.The exhaust pition is discharged towards check valve activity, air pressure room air through first row air inlet, check valve, and after exhaust pition cunning is through first row air inlet hole site, air pressure room air is discharged through check valve.Hinge can be self-positioning in the orientation angle of predetermined set, can be self-closing below the orientation angle for exiting predetermined set.
Description
Technical field
The present invention relates to a kind of self-positioning and self-closing hinge of high sealing formula door vapour-pressure type.
Background technology
It is entitled that Chinese patent database discloses utility model《A kind of rising hinge device》, Patent No.
2013208356551 invention.It includes hinge, lower jaw, retainer and drive link.Upper hinge includes
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 are arranged with drive cavity, and within the drive cavity, the surface of revolution is provided with
One spiral part.The affixed Lower shaft sleeve of drive link, outside the drive link, the surface of revolution is provided with the second spiral part, the biography
Lever connects drive cavity, first spiral part and the adaptation engagement of the second spiral part, wherein：Hinge in promotion
Hinge is made to rotate relative to lower jaw, coordinating by the first spiral part and the second spiral part can make on upper hinge
Rise；Pine oil is promoted makes hinge decline under gravity, is matched somebody with somebody by the first spiral part and the second spiral part
Conjunction can make hinge automatically reset and return closure.The rising hinge device is directly coordinated using upper and lower axle sleeve to be realized turning
Connect, but cannot divide self-closing and self-positioning.
Content of the invention
The invention provides the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type, which overcomes in background technology and rises
Deficiency existing for drop Hinge.
One of the technical solution adopted for the present invention to solve the technical problems is：
The self-positioning and self-closing hinge of high sealing formula door vapour-pressure type, including hinge, solid seat, solid bar and swivel nut, the conjunction
Page sets axle sleeve and the blade being connected to outside axle sleeve, and the solid seat sets another axle sleeve, and the hinge can consolidate seat and projection seat relatively
Rotate, the solid bar has screw rod；Also include plug and center, the center and axle sleeve along axis and axially and
Circumferential spacing dimension position, is respectively provided with an inside and outside first row air inlet for running through；The center is socketed in hinge
Axle sleeve in and the axle sleeve of solid seat in；The swivel nut rotationally can be located in center and an affixed axle sleeve, the plug
It is located in center and affixed another axle sleeve, the swivel nut and plug are spaced, between the swivel nut and plug in the center
It is provided with solid bar, the first spring, centre mount, retaining spring and check valve；The screw rod of the solid bar be spirally connected swivel nut and
Gu bar is provided with exhaust pition, exhaust pition sealing is slipped in center；First spring top be against solid bar and in
Between heart seat, between centre mount and check valve, the check valve sealing is located in center the retaining spring contact,
Air-pressure chamber is constituted between the exhaust pition and check valve；Wherein：The exhaust pition is movable towards check valve, in air pressure room
Air is discharged through first row air inlet, check valve, after exhaust pition cunning is through first row air inlet hole site, gas
Air in pressure chamber is discharged through check valve.
Among one embodiment：The check valve include one can slip and seal the positioning piston of air-pressure chamber, a gas leakage block up
Plug and one the 3rd spring, the positioning piston centre sets second row pore, and gas leakage blocking includes a pad and convex
The stifled post at pad center is located at, the stifled post adaptation is stretched in second row pore, the 3rd spring one end contact pad,
The other end can relative contact plug.
Among one embodiment：The centre mount is blow-cook.
Among one embodiment：Also include a cup, the cup adjustably can be located in center along center；Should
Check valve is located in cup, and the centre mount is fixed in cup.
Among one embodiment：Also include adjustment seat, the cup adjustably can be located in center along center, should
Adjustment seat connects cup through plug, can adjust the axial location of the relative center of cup.
Among one embodiment：The cup is provided with a step, for limiting positioning piston along near the 3rd spring direction
Motion, the 3rd spring top are against between the cup bottom of cup and pad.
Among one embodiment：Outside the solid bar, sealing ring is socketed with, the sealing ring constitutes above-mentioned exhaust pition.
Among one embodiment：Also include that the volution that can be located in center affixedly, the volution are located at swivel nut and row
Between gas piston, the screw rod of the solid bar is bolted through volution and is spirally connected again swivel nut.
The two of the technical solution adopted for the present invention to solve the technical problems are：
The self-positioning and self-closing hinge of high sealing formula door vapour-pressure type, including hinge, solid seat, solid bar and swivel nut, the conjunction
Page sets axle sleeve and the blade being connected to outside axle sleeve, and the thin bar that the swivel nut has constitutes blade, and the swivel nut is located at solid seat
Interior, the thin bar that the swivel nut has can be rotated relative to bar admittedly, and the solid bar has screw rod；Also include plug, the axle sleeve
Constitute center, the center is arranged with an inside and outside first row air inlet for running through, the cup and axle sleeve along axis and
The spacing dimension position of axial and circumferential, be respectively provided with one inside and outside run through discharge into pore；The swivel nut is fixed in center
In one end of set, the plug is fixed in the other end of center, and the swivel nut and plug are spaced；In the center
Swivel nut and plug between be provided with solid bar, the first spring, centre mount, retaining spring and positioning piston；The solid bar
Screw rod is spirally connected swivel nut and solid bar is provided with exhaust pition, and exhaust pition sealing is slipped in center；First spring
Contact between solid bar and centre mount, between centre mount and positioning piston, live the retaining spring contact by the positioning
Plug sealing is located in center, and the exhaust pition and positioning piston space constitute air-pressure chamber；Wherein：The exhaust pition
Towards positioning piston activity, air pressure room air is outwards arranged through the pore that discharges into of first row air inlet, cup and axle sleeve
Go out, after exhaust pition cunning is through first row air inlet hole site, air in air pressure room is discharged into through cup and with axle sleeve
Pore is discharged.
Among one embodiment：The check valve include one can slip and seal the positioning piston of air-pressure chamber, a gas leakage block up
Plug and one the 3rd spring, the positioning piston centre sets second row pore, and gas leakage blocking includes a pad and convex
The stifled post at pad center is located at, the stifled post adaptation is stretched in second row pore, the 3rd spring one end contact pad,
The other end can relative contact plug.
Among one embodiment：The centre mount is blow-cook.
Among one embodiment：Also include a cup, the cup adjustably can be located in center along center；Should
Check valve is located in cup, and the centre mount is fixed in cup.
Among one embodiment：Also include adjustment seat, the cup adjustably can be located in center along center, should
Adjustment seat connects cup through plug, can adjust the axial location of the relative center of cup.
Among one embodiment：The cup is provided with a step, for limiting positioning piston along near the 3rd spring direction
Motion, the 3rd spring top are against between the cup bottom of cup and pad.
Among one embodiment：Outside the solid bar, sealing ring is socketed with, the sealing ring constitutes above-mentioned exhaust pition.
Among one embodiment：Also include that the volution that can be located in center affixedly, the volution are located at swivel nut and row
Between gas piston, the screw rod of the solid bar is bolted through volution and is spirally connected again swivel nut.
Compared with background technology, it has the advantage that the technical program：
Hinge can be rotated relative to seat admittedly and projection seat axis through opening, so that the aerofluxuss that the solid bar in center has are lived
The relative swivel nut downward spiral of plug energy towards check valve activity, outwards arranged by first row air inlet by the gas in air pressure room
Go out, check valve is discharged, now the first spring-compressed energy storage；The exhaust pition that the solid bar of hinge has continues phase
Swivel nut axis downward spiral is rotated, exhaust pition slips over first row air inlet, and the gas in air pressure room is by single
Discharge to valve so that the exhaust pition in center can correspond to check valve and retaining spring and gas leakage blocking and
First row air inlet, so that air-pressure chamber can be constituted, in the process the elastic force of the first spring admittedly suffered by bar, itself
Atmospheric pressure (suction force) balance in gravity, air pressure room so that the exhaust pition in air pressure room can be correspondingly unidirectional
Valve and retaining spring, so that the exhaust pition in air pressure room can produce atmospheric pressure and (suction force) balances each other,
Hinge during this is realized self-positioning.Hinge is closed to move up with respect to swivel nut spiral so as to consolidate bar,
Make exhaust pition in air pressure room bottom-up do not skid off (exiting) first row air inlet before so that in air pressure room
Exhaust pition can correspond to check valve and retaining spring, the solid bar in air pressure room has in the process aerofluxuss are lived
The elastic force of the first suffered spring of plug, self gravitation, atmospheric pressure and (suction force) balance, relative so that positioning
The atmospheric pressure that piston can be produced by the suction force of exhaust pition, and bottom-up twitched and bottom-up cunning
Move, stop to hinge that an intended orientation angle is self-positioning, at the same time the compressed energy-storage bullet of the retaining spring
Power produces change, enables retaining spring one end contact centre mount, the other end with can contact position piston to positioning work
The step that plug is supported to arrive in, the atmospheric pressure that at the same time the positioning piston is produced by the suction force of exhaust pition, and
Bottom-up twitched and bottom-up slip when, at the same time the 3rd spring compressed energy-storage elastic force produce
Changing, enables the cup bottom of the 3rd spring one end contact cup, the other end relative with can contact gas leakage block to
The surface perisporium of positioning piston, can completely cut off, prevent the air pressure that outside air enters center from second row pore
Interior, so that exhaust pition can be self-positioning in air pressure room, as long as exhaust pition does not skid off (exiting) first row
Before air inlet, just energy mobility coordinates hinge self-positioning, aerofluxuss in the orientation angle of predetermined set in air pressure room
Piston is bottom-up sliding through before (slipping into) first row air inlet, and hinge can be realized self-positioning, and exhaust pition exists
After skidding off (exiting) first row air inlet hole site, so that the outside air of center is from first row among heart
Air inlet is entered in air pressure room, and at the same time the energy storage release of the first spring, to drive solid bar movable upwards, closes
Page can be realized self-closing.The first row air inlet is along center and the size-spacing of the axis and axial and circumferential of axle sleeve
Set location, corresponding hinge are self-positioning and in predetermined set in the orientation angle starting point of a predetermined set orientation angle
Orientation angle below can self-closing boundary's point, both hinge turn to the orientation angle of a predetermined set orientation angle and rise
Point is self-positioning, and can be self-closing below the predetermined set orientation angle boundary's point when so that exhaust pition can be corresponded to singly
To valve and retaining spring and gas leakage blocking and first row air inlet, so that air-pressure chamber can be constituted, so that hinge can be pre-
Surely the orientation angle starting point for arranging orientation angle is self-positioning, and can be self-closing below predetermined set orientation angle, with
This simultaneously the air-pressure chamber can correspond to and coordinate hinge with can be self-positioning in the orientation angle of predetermined set so that conjunction
Page can be freely self-positioning in the orientation angle of predetermined set, and can be self-closing below the predetermined angular, relative with
Enable hinge that orientation angle is freely set.
Adjustment seat can adjust axial location of the cup with respect to center, can adjust the compressed energy-storage bullet of the first spring
Power and initial tension of spring and air-pressure chamber cavity size, at least realize adjusting self-closing dynamics size, self-closing speed speed.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 depicts the structural representation of the hinge of embodiment one.
Fig. 2 depicts one of structural representation of hinge of embodiment one.
Fig. 3 depicts the two of the structural representation of the hinge of embodiment one.
Fig. 4 depicts the structural representation of the solid seat of embodiment one.
Fig. 5 depicts the assembling structure schematic diagram of the center of embodiment one.
Fig. 6 depicts the schematic perspective view of the center of embodiment one.
Fig. 7 depicts the structural representation of the center of embodiment one.
Fig. 8 depicts the schematic perspective view of the clutch shaft bearing of embodiment one.
Fig. 9 depicts the schematic perspective view of the swivel nut of embodiment one.
Figure 10 depicts the structural representation of the swivel nut of embodiment one.
Figure 11 depicts the schematic perspective view of the volution of embodiment one.
Figure 12 depicts the structural representation of the volution of embodiment one.
Figure 13 depicts the structural representation of the affixed screw of embodiment one.
Figure 14 depicts the schematic perspective view of the solid bar of embodiment one.
Figure 15 depicts the structural representation of the solid bar of embodiment one.
Figure 16 depicts the schematic perspective view of the blow-cook of embodiment one.
Figure 17 depicts the structural representation of the blow-cook of embodiment one.
Figure 18 depicts the structural representation of the positioning piston of embodiment one.
Figure 19 depicts the schematic perspective view of the positioning piston of embodiment one.
Figure 20 depicts the schematic perspective view of the gas leakage blocking of embodiment one.
Figure 21 depicts the structural representation of the cup of embodiment one.
Figure 22 depicts the schematic perspective view of the cup of embodiment one.
Figure 23 depicts the schematic perspective view of the plug of embodiment one.
Figure 24 depicts the structural representation of the plug of embodiment one.
Figure 25 depicts the structural representation of the adjustment seat of embodiment one.
Figure 26 depicts the schematic perspective view of the adjustment seat of embodiment one.
Figure 27 depicts the structural representation of the hinge of embodiment two.
Figure 28 depicts the structural representation of the blade of embodiment two.
Figure 29 depicts the structural representation of the solid seat of embodiment two.
Figure 30 depicts the structural representation of the hinge of embodiment three.
Figure 31 depicts the structural representation of the solid seat of embodiment three.
Figure 32 depicts the structural representation of the volution of embodiment three.
Figure 33 depicts the structural representation of the blow-cook of embodiment three.
Figure 34 depicts the structural representation of the positioning piston of embodiment three.
Figure 35 depicts the structural representation of the cup of embodiment three.
Specific embodiment
Embodiment one
The self-positioning and self-closing hinge of high sealing formula door vapour-pressure type, such as through hinge when opening 0 degree to 80 degree angle
Self-closing and 80 degree of predetermined angulars to 180 degree predetermined angular arbitrary predetermined angulars can voluntarily be exercised self-positioning, such as
Refrigerator-freezer, refrigerator, freezer, baking box, baking oven experimental facilitiess door, experiment chamber door, analog loop can be adapted for mount to
Border experimental facilitiess door, plant equipment door, drying equipment door, soundproof door, special door, fresh-keeping warehouse door, Folium Camelliae sinensis
Any high sealing formula flat door hinge of Ku Men, civil engineering storehouse door and any ship etc. and the convex door hinge of any high sealing formula
Chain.
The hinge, refer to Fig. 1 to Figure 26, including hinge 10, solid seat 20, solid bar 30, swivel nut 40,
Center 50, plug 60 and adjustment seat 70.The center 50 and axle sleeve 11 are along axis and axially with circumferential
Spacing dimension position, is respectively provided with an inside and outside first row air inlet 55 for running through；The axle sleeve 11 sets
First row air inlet 55, be sectional center set 50 first row air inlet 55 (axle sleeve 11 also may be used certainly
So that without arranging first row air inlet 55), the first row air inlet 55 is along center 50 and the axle of axle sleeve 11
Line is consistent with the spacing dimension set location of axial and circumferential.
The hinge 10 includes that axle sleeve 11 and the blade 12 being fixed in outside axle sleeve 11, the solid seat 20 include that one is solid
Fixed board 25 and a vertical base plate 22 and are fixed in the projection seat 23 on vertical base plate 22, the projection seat 23 it
The end face of vertical base plate 22 is arranged with an axle sleeve 21.The center 50 is connected to 21 in axle sleeve 11 and axle sleeve,
The axle sleeve 11 and axle sleeve 21 are arranged side by side so that hinge can consolidate the axle sleeve 21 that seat and projection seat 23 have relatively
Rotate so that hinge can constitute the self-positioning and self-closing jib door structure hinge of any high sealing formula door vapour-pressure type,
The convex door hinge self-positioning and self-closing with any high sealing formula door vapour-pressure type.
The swivel nut 40 can be rotated and can not be slidably connected in center 50, the axle sleeve 11 of the hinge 10
The part that stretches out with swivel nut 40 outside center 50 is affixed, and this is affixed for example：One change 41 of another arranging, the spiral shell
Cover 40 tops and be convexly equipped with thin bar 42, the thin bar 42 can turn through change 41, the adaptation of change 41 is located at
11 top of axle sleeve, arrange affixed screw 98 through axle sleeve 11 and affixed enter change 41 in, with affixed change
41 and axle sleeve 11, with relatively affixed axle sleeve 11 and the axle of the thin bar 42 of swivel nut 40, the change 41 and hinge
Set 11 can also limit the axially activity of swivel nut 40, Gu the axle for rotating along axis and sliding with energy positioning thread insert/bar
To with circumferential size spacing dimension position, be relative to ensure to coordinate 10 blade 12 of hinge can be in predetermined set
Orientation angle is self-positioning.The plug 60 is connected in center 50, the axle sleeve 21 and plug 60 of the solid seat
The part that stretches out outside center 50 is affixed, this is affixed for example arrange affixed screw through axle sleeve 21 and affixed enter
In plug.
The swivel nut 40 and plug 60 are spaced, and are provided with solid bar between the swivel nut 40 and plug 60 in the center 50
30th, the first spring 81, centre mount 82, retaining spring 83 and check valve 90.It is additionally provided with the center 50
One cup 56, the cup 56 are located in center 50 along 50 axis of center, the cup bottom opening of the cup.
The centre mount 82 is blow-cook 82.Best：The first flange 51 is set in center 50, by the first flange 51
In center 50, it is impossible to be slidably connected and be fixed with volution 43, the volution 43 is located under swivel nut and the spiral shell
Bar 31 is bolted through volution 43 and is spirally connected again swivel nut 40, so that the volution 43 can be limited and control the screw rod 31
Rotate relative to swivel nut 40 and slide and mobile, produced spacing dimension coefficient, Gu with energy positioning thread insert/bar edge
The axial and circumferential size-spacing position that axis is rotated and slided, is that relative guarantee coordinates 10 blade 12 of hinge
In the orientation angle of predetermined set, needs orientation angle self-positioning.
The screw rod 31 of the solid bar 30 is spirally connected swivel nut 40 and solid bar 30 is provided with exhaust pition 33, exhaust pition 33
Sealing is slipped in center 50.The centre mount 82 is fixed at the opening of cup 51 and seals cup opening
Gap with center.The check valve 90 is located in cup 56.The 55 set location position of first row air inlet
In exhaust pition along the event trace of center 50, the first row air inlet 55 is along center and axle sleeve 11
Axial and circumferential size-spacing set location, 90 degree positioning of the corresponding hinge in a predetermined set orientation angle
Angle starting point self-positioning and can be self-closing below 90 degree of orientation angles boundary's point, both hinge turn to one and predetermined set
90 degree of orientation angle starting points for putting orientation angle are self-positioning, and can be self-closing below 90 degree of orientation angles boundary
During point, relative so that exhaust pition 33 can corresponding check valve 90 and retaining spring 83 and gas leakage 92 Hes of blocking
First row air inlet, can be constituted air-pressure chamber, at the same time the air-pressure chamber can be corresponded to and coordinate hinge with can be
Self-positioning in the orientation angle of predetermined set, so that hinge can be in the 90 of predetermined set degree of orientation angles to 180
Freely self-positioning in degree orientation angle, and can be self-closing below the starting point of 90 degree of predetermined set orientation angles.
By the first row air inlet 55, along the axial and circumferential size-spacing of center 50 and axle sleeve 11
Position arrange, and by 98 spiral shell of affixed screw enter through axle sleeve 11 be bolted through change 41 again interlocking consolidate
Determine thin bar 42, make axle sleeve, change, thin bar affixed together, so that change 41 can coordinate hinge 10 and axle sleeve
11 rotation, so that the axially activity of swivel nut 40 can be limited, Gu relative with can positioning thread insert/bar along axis rotation
And the axial and circumferential size-spacing position that slides, and by the screw rod 31 and spiral shell in the axle sleeve 11 of hinge 10
The threaded of set 40, with rotation slip that can be relative, and by the first flange 51 in center 50,
Can not be slidably connected and be fixed with volution 43, the volution 43 is located under swivel nut and the screw rod 31 is bolted through spiral shell
Ring 43 is spirally connected swivel nut 40 again, so as to the volution 43 can be limited and control the screw rod 31 rotate relative to swivel nut 40
Slide and mobile, produced spacing dimension coefficient, solid with can positioning thread insert/bar rotate along axis and slip
Axial and circumferential size-spacing position, so that 30 energy of the solid bar swivel nut 40 relatively in center 50, so that solid
The exhaust pition 33 that bar 30 has produces the axial and circumferential size-spacing downward spiral of fixation towards check valve 90
Activity, at the same time the gas in air pressure room discharged by first row air inlet 55, check valve 90
Second row pore 911 is discharged, and exhaust pition 33 slips over downwards first row air inlet 55, in air pressure room
Gas is discharged by the second row pore 911 of check valve 90, so that the exhaust pition 33 in center
Check valve 90 and gas leakage blocking 92 and retaining spring 83 and first row air inlet 55 can be corresponded to, so that gas can be constituted
Pressure chamber, enables the exhaust pition in air pressure room to produce atmospheric pressure and (suction force) balance, is relative can guarantee that
The orientation angle position of free 10 blade 12 of predetermined set hinge of 12 energy of hinge blades.
In the center, 50 81 contact of the first spring is between solid bar 30 and centre mount 82, the positioning bullet
Between centre mount 82 and check valve 90, the sealing of check valve 90 is located in cup 56 and leans on 83 contact of spring
It is connected in cup 56, the exhaust pition 33 and check valve 90 and retaining spring 83 and first row air inlet 55
Air-pressure chamber can be constituted.Wherein check valve 90 is exactly to position piston 91.Wherein：The aerofluxuss that the solid bar 30 has
Towards 90 activity of check valve, at the same time air pressure room air is discharged piston 33 through first row air inlet 55,
Discharge through the second row pore 911 of blow-cook, check valve, now the first spring-compressed energy storage；Hinge
10 continue on through opening can rotate relative to 21 axis of axle sleeve that seat and projection seat 23 have admittedly, so that in axle sleeve 11
Gu the exhaust pition 33 that bar 30 has can continue downward spiral slip by swivel nut relatively, at the same time exhaust pition
33 after 55 position of first row air inlet is slipped over, and at the same time the air in air pressure room is through blow-cook, check valve
90 second row pore 911 is discharged, so that the exhaust pition 33 in center can corresponding check valve 90
92 and retaining spring 83 and first row air inlet 55 are blocked with gas leakage, so that air-pressure chamber can be constituted, in this process
In the elastic force of the first spring 81 suffered by solid bar, the exhaust pition 33 in self gravitation, and air pressure room can match somebody with somebody
Positioning piston 91, retaining spring 83 is closed, so that the exhaust pition 33 in air pressure room can produce atmospheric pressure and (take out
Suction) balance so that during this hinge 10 can realize self-positioning so that exhaust pition 33 can coordinate calmly
Position piston 91 and retaining spring 83, so that suction force and atmospheric pressure can be produced in air pressure room, relatively can the row of making
10 blade 12 of hinge that coordinates of mobility in the air pressure room of gas piston 33 is made by oneself in the orientation angle of predetermined set
Position.10 blade 12 of hinge makes the threaded of screw rod and swivel nut in axle sleeve with energy closing through external force
Relative rotation so that exhaust pition 33 bottom-up without first row air inlet 55 before, as long as aerofluxuss
Piston 33 is bottom-up will to produce suction force and atmospheric pressure, relative so that positioning piston 91 is lived by aerofluxuss
The suction force of plug 33 and the atmospheric pressure that produces, and twitched by bottom-up, to 10 blade 12 of hinge
The orientation angle for stopping at predetermined set is self-positioning, and at the same time the compressed energy-storage elastic force of the retaining spring 83 is produced
Changing, can support to arrive in centre mount 82, the other end is with energy contact positioning piston 91 to positioning piston 91 for one end
The step 561 for supporting to arrive in, when at the same time the positioning piston 91 is by the bottom-up twitch of exhaust pition, with this
The compressed energy-storage elastic force of the 3rd spring 93 produces change simultaneously, so that the 3rd spring one end can support to arrive in cup
Cup bottom, the other end with can contact gas leakage blocking 92 and pad 921 and stifled post 922 be reset to positioning piston 91
The surface perisporium of (check valve) 90, can completely cut off and prevent outside air from entering air-pressure chamber from second row pore
Interior, so that exhaust pition 33 can be positioned in air pressure room, the relative blade that can realize hinge is self-positioning predetermined
In angle.The energy storage elastic force of the retaining spring 83 and spring pre-tightening force intensity are more powerful, opposite side institute contact
Positioning piston 91 relative more powerful, the retaining spring other end contact centre mount that is bound to of tensile strength,
So that exhaust pition 33 bottom-up sliding through (exiting) first row air inlet 55 before, institute in the air pressure room
The atmospheric pressure for bearing and the intensity of suction force are relative can be more powerful, relative so that the blade 12 of hinge 10 is one
Self-positioning positioning dynamics in the orientation angle of predetermined set is more powerful with respect to being bound to, and the exhaust pition 91 exists
Bottom-up skid off 55 position of (exiting) first row air inlet after so that center 50 is outer and axle sleeve outside
Gas is entered in air pressure room from first row air inlet 55, is made to lose atmospheric pressure and suction force in air pressure room relatively,
So that the blade of hinge loses self-locating function, at the same time the energy storage release of the first spring 81, solid to drive
Bar 30 is movable upwards, and hinge can be realized self-closing.The first spring 81 is being not provided with the center of hinge
In situation, hinge still can predetermined set orientation angle self-positioning.
Among one concrete structure：The check valve 90 include one can slip and seal air-pressure chamber cup 56 cup
The positioning piston 91 of wall, gas leakage blocking 92 and one the 3rd spring 93,91 center of positioning piston sets second
Steam vent 911, the gas leakage blocking 92 include the stifled post 922 of a pad 921 and a projection at pad center,
The stifled post 922 adaptation is stretched in second row pore 911,93 one end contact pad 921 of the 3rd spring, separately
One end energy contact is at the cup bottom of cup 56.The cup 56 is provided with a step 561, and positioning piston 91 is supported to arrive in
On step 561, close along moving near 93 direction of the 3rd spring for limiting positioning piston 91.This is unidirectional
Valve 90 is positioning piston 91.911 end face of second row pore is recessed into from large to small relative to 921 direction of pad
Taper hole, in order to ensure sealing property, preferably, position the mounting groove 913 of the recessed annular of the outer surface of revolution of piston,
Built with leakproof seal circle 912, the leakproof seal circle 912 also stretches out outside mounting groove 913 mounting groove, so that close
Seal 912 is slidingly sealed the wall of cup for abutting against cup 56, to completely cut off and prevent outside air from cup 56
Wall of cup is entered in the air pressure room of center.Gas when down spiral slides exhaust pition 33, in air pressure room
The perisporium of body extruding second row pore 911 so that between producing between 911 perisporium of second row pore and stifled post 922
Gap, discharges through the gap of 911 perisporium of second row pore and stifled post 922, by discharge gas extrusion pad and
Stifled post so that pad 921 and stifled post 922 shrink back so that between pad 921 and positioning 91 diapire of piston
Gap is produced, gas is discharged by the gap between pad 921 and positioning 91 diapire of piston again, the after discharge
Under the energy storage elastic force of three springs 93 and its own resilient effect, the 3rd spring one end is enable to support to arrive in the cup bottom of cup,
The relative surface perisporium for being reset to positioning piston with energy contact pad 921 and stifled post 922 of the other end, to completely cut off
With prevent external air from second row pore 911 penetrate into air-pressure chamber in.The check valve 90 is positioning piston 91.
The solid bar 30 also includes a bulge loop 32 for being fixed in 31 end of screw rod, and the 32 recessed annular of bulge loop is installed
Groove 321, is socketed with leakproof seal circle in the annular mounting groove 321, and the leakproof seal circle 322 also stretches out installation
Outside groove 321, slipped in center with sealing, to completely cut off and prevent the air pressure that external air is penetrated in center
In room, can be constituted air-pressure chamber, the leakproof seal circle constitutes above-mentioned exhaust pition 33.As needed,
One slide of bar contact (such as direct contact passes through pivot pivot joint slide) can be consolidated, the slide is set to exhaust pition.
The adjustment seat 70 connects cup through plug, so that the axial location of the relative center of cup can be adjusted, with
The first spring energy-storage elastic force and pretightning force and air-pressure chamber cavity size can be adjusted, realizes adjusting self-closing dynamics size,
Self-closing speed speed.The adjustment seat 70 such as screw rod, the screw rod are bolted through plug, and connect with the cup bottom of cup
It is connected together, this links together, such as screw rod sets step surface, the bottom surface at step surface contact cup cup bottom, spiral shell
Bar can turn through the opening at glass bottom, another arrange nut and be spirally connected affixed screw rod end be resisted against cup cup bottom
Top surface.
As needed, the volution 43 being located in center affixedly may also include, and the volution 43 is located at swivel nut
Between exhaust pition, volution is abutted against under swivel nut, and the screw rod of the solid bar is bolted through volution and is spirally connected again swivel nut.
(certainly, without arranging volution 43 or volution can also can be set 43) in the center.
Among the present embodiment：The first flange 51 is set in center 50, by the first flange 51 in center 50
Interior and can not rotate and be slidably connected and fixed spiro 43；One first is set between the swivel nut 40 and center 50
Bearing 44 is (by being arranged third lip 53 at center, can axially limit connection and be connected with clutch shaft bearing 44)；
Second bearing 84 is set between 30 bottom face of solid bar and the first spring 81, (it is of course also possible to without arrange or can
To arrange second bearing 84)；The second flange 52 is set in center 50, plug is made not by the second flange 52
Can relatively rotate and be slidably connected and be fixed in center.The blow-cook 82 includes a pedestal 821, should
Pedestal 821 sets one the 3rd steam vent 822, is installed with horn body 823 under the pedestal 821, the pedestal 821
The rim of a cup periphery in cup is supportted, the horn body 823 is located in cup, and the 3rd steam vent 822 connects loudspeaker
823 endoporus of body, it is recessed into from large to small towards horn body direction that the 3rd steam vent 822 is located at pedestal one end
Taper；Center is abutted against in the sealing of pedestal 821, preferably, the mounting groove of the recessed annular of 821 side face of pedestal
811, built-in Lou sealing ring 824 of setting up defences of the mounting groove 811, the sealing ring 824 are also stretched out outside mounting groove 811,
It is abutted against center 50 to seal, to completely cut off and prevent external air from penetrating in the air-pressure chamber of center.322、824、
912nd, 562 leakproof seal loop material matter all have elasticity, it is also possible to be made up of elastomeric material.56 wall of cup of cup
The mounting groove 560 of the recessed annular of the side face of the outer surface of revolution, the mounting groove 560 are arranged a leakproof seal circle 562,
The leakproof seal circle 562 is also stretched out outside mounting groove 560, to completely cut off and prevent outside air from entering center
In air pressure room.
Wherein：The blade 12 of hinge 10 is opened through external force and can consolidate relatively the axle sleeve that seat 20 and projection seat 23 have
21 rotate, so that 33 downward spiral of exhaust pition that solid bar 30 has is towards 90 activity of check valve, in air pressure room
Gas discharged by first row air inlet 55, discharged by the second row pore 911 of check valve,
Now the first spring-compressed energy storage；Through opening, continuation consolidates seat 20 to 10 blade 12 of hinge relatively and projection seat 23 has
Some axle sleeves 21 are rotated, so that the exhaust pition slide downward that the solid bar 30 in axle sleeve 11 has is slipping over
One discharges into pore 55, at the same time second row pore 911 outside row of the gas in air pressure room by check valve
Go out so that the exhaust pition in center 50 can correspond to check valve and retaining spring and gas leakage blocking 92 and the
One discharges into pore, so that air-pressure chamber can be constituted, in the process the elastic force of the first spring admittedly suffered by bar, itself
Gravity, the atmospheric pressure (suction force) of air-pressure chamber are balanced, and the exhaust pition in air-pressure chamber can correspondingly position work
Plug and retaining spring and gas leakage blocking and first row air inlet 55, so that the exhaust pition in air pressure room produces gas
Pressure and (suction force) are balanced so that during this, hinge is realized self-positioning.Passing through external force so that hinge
The axle sleeve axis closure having relative to the projection seat of seat admittedly is rotated, so that the aerofluxuss that the solid bar in axle sleeve 11 has are lived
Plug 33 in air pressure room bottom-up do not skid off (exiting) first row air inlet before so that the row in air pressure room
Gas piston can correspondingly position piston and retaining spring, and the aerofluxuss that the solid bar in air pressure room has in the process are lived
The elastic force of the first suffered spring of plug, self gravitation, atmospheric pressure and (suction force) balance, relative so that fixed
The position atmospheric pressure that produced by the suction force of exhaust pition of piston, and bottom-up twitched and from lower to
Upper slip, stops at after predetermined angular positioning to hinge blades, at the same time the compression storage of the retaining spring
Energy elastic force produces change, and with energy support centre mount, the other end is with energy support positioning piston (check valve) for one end
To the step that positioning piston (check valve) is supported to arrive in, at the same time the positioning piston is by (the suction of exhaust pition
Power) and produce atmospheric pressure, and bottom-up twitched and bottom-up slip when, the 3rd spring
Compressed energy-storage elastic force produces change, so that the 3rd spring one end can support to arrive in the cup bottom of cup, the other end is relative
The surface week of positioning piston (check valve) is reset to the pad 921 and stifled post 922 of the gas leakage blocking of energy contact
Wall, to completely cut off and prevent outside air from entering in air pressure room, so that exhaust pition can be made by oneself from second row pore
Position in air pressure room, if before exhaust pition does not skid off (exiting) first row air inlet, just can be in air-pressure chamber
The cooperation hinge blades of interior mobility can be self-positioning in predetermined angular.The energy storage of the retaining spring in the air pressure room
The intensity of elastic force and initial tension of spring is more powerful, the contact tensile strength of the positioning piston of opposite side institute contact
It is bound to more powerful, the retaining spring other end contact centre mount is relative so that positioning piston in air pressure room
Twitched and bottom-up slip by exhaust pition is bottom-up, in the process the exhaust pition in air pressure room
Suction force and the intensity of atmospheric pressure that produces is relative will be more powerful so that hinge blades are in predetermined angular
Self-positioning positioning dynamics is bound to more powerful relatively.Hinge can be rotated relative to seat admittedly through external force closure, aerofluxuss
Piston is bottom-up not to be slided through discharging into before pore, and hinge can be realized self-positioning, and exhaust pition skids off (exiting)
Behind first row air inlet hole site, so that the outside air of center is entered from first row air inlet among heart
In air pressure room, make to lose atmospheric pressure and suction force in air pressure room relatively, so that hinge loses self-locating function,
At the same time the first spring energy storage release, with can drive consolidate bar movable upwards so that hinge can realize self-closing.
Wherein：When the hinge blades need to position in the orientation angle of a predetermined set, pass through in hinge blades
When opening, it is by the screw so that axle sleeve, change, thin bar are affixed together, the change 41 can also be limited
The axially activity of swivel nut 40, Gu the axial and circumferential size for rotating along axis and sliding with energy positioning thread insert/bar
Position, and by the threaded of screw rod and swivel nut in the axle sleeve of hinge with the relative rotation of energy, and pass through
The spacing dimension position of axial and circumferential of the first row air inlet in center and axle sleeve is arranged, and in passing through
Exhaust pition in heart set can correspond to check valve and retaining spring, can be constituted air-pressure chamber, so that in air pressure room
Exhaust pition produce atmospheric pressure and (suction force) and balance, relative so that positioning piston taking out by exhaust pition
Suction and the atmospheric pressure that produces and bottom-up twitched, relative can guarantee that free predetermined set hinge leaf
The orientation angle of piece, so that hinge blades can be self-positioning in the orientation angle of a predetermined set.The retaining spring
Compressed energy-storage elastic force and initial tension of spring intensity more powerful, the positioning piston 91 of opposite side institute contact
Contact tensile strength is bound to more powerful, and the retaining spring other end contact centre mount, so that hinge blades exist
The self-positioning positioning dynamics of one predetermined angular is bound to more powerful relatively.The compressed energy-storage elastic force of the retaining spring
Compressed energy-storage elastic force and the spring pre-tightening force intensity for ensureing to be greater than the first spring certain with spring pre-tightening force intensity
Plus the 3rd spring compressed energy-storage elastic force and spring pre-tightening force intensity so that hinge blades can be realized setting predetermined
The 80 degree of orientation angles that puts to 180 degree orientation angle, arbitrary orientation angle self-positioning.
Wherein：The center of hinge can constitute air-pressure chamber, and the indispensability of the free predetermined set orientation angle of energy
Condition has following shuttling movement flow process details, when hinge blades are through opening, and passes through the affixed screw 98
Spiral shell enters through axle sleeve 11, and change 41 is bolted through, interlocking fixes thin bar 42 again, so that change 41 can coordinate
Hinge 10 and the rotation of axle sleeve 11, can limit the axially activity of swivel nut 40, relative with can positioning thread insert/
Gu the axial and circumferential size positions that bar is rotated along axis and slided, and by the screw rod in the axle sleeve of hinge and
The threaded of swivel nut is so that screw rod can be relative to swivel nut rotation, so that the solid bar in axle sleeve can be rotated relative to swivel nut
When can also the rotation of relative axis slide, and by 81 contact of the first spring in the center in solid bar 30
Between bottom face and centre mount 82, and by 83 contact of retaining spring in centre mount 82 and check valve 90
Between, and be located in cup 56 by the sealing of check valve 90 and abutted against in cup 56, and pass through center
Set 50 sets the first flange 51, by the first flange 51 in center 50 and the fixed spiral shell that can not be slidably connected
Ring 43, and by first row air inlet 55 along center axis and axial and circumferential size-spacing set location,
A leakproof seal circle is arranged with by the outer surface of revolution of the cup wall of cup, and by being socketed with sealing ring outside the solid bar,
The sealing ring constitutes above-mentioned exhaust pition, and be fixed at the opening of cup 51 by the centre mount 82 and
Sealing cup opening and the gap of center, and by setting the second flange 52 in center 50, convex by second
Edge 52 prevents plug from being slidably connected relatively and being fixed in center, the axle sleeve 21 that the projection seat 23 has
The part connection outside center 50 is stretched out with plug 60, and by the 3rd spring one end contact pad and leakage
Gas blocking 92, other end energy contact is at the cup bottom of cup, so as to can consolidate relatively seat when hinge blades are through opening
The axle sleeve that projection seat has is rotated, so that the exhaust pition energy swivel nut downward spiral relatively that solid bar has is towards check valve
90 activities, at the same time the gas in air pressure room is by first row air inlet, the second row pore of check valve to
Outer discharge, at the same time the first spring-compressed energy storage, hinge continue the axle sleeve axle that seat and projection seat have admittedly relatively
To rotation, so that after exhaust pition slips over first row air inlet hole site, gas at the same time in air pressure room leads to
The second row pore for crossing check valve is discharged, can be constituted air-pressure chamber.Wherein：The center and axle sleeve edge
The size-spacing position of axis and axial and circumferential is provided with an inside and outside first row air inlet for running through so that row
Gas piston can correspond to check valve and gas leakage blocking and retaining spring and first row air inlet, can be constituted air-pressure chamber；
Axial and circumferential size-spacing set location of the first row air inlet along center and axle sleeve, corresponding hinge exist
90 degree of orientation angle starting points of one predetermined set orientation angle are self-positioning, and energy below 90 degree of orientation angles
Self-closing boundary's point, both hinge turn to a predetermined set orientation angle 90 degree of orientation angle starting points self-positioning,
With below 90 degree of orientation angles can self-closing boundary's point when so that exhaust pition can correspond to check valve and positioning bullet
Spring and gas leakage blocking and first row air inlet, can be constituted air-pressure chamber, at the same time the air-pressure chamber can be corresponded to and be matched somebody with somebody
Hinge is closed with can be self-positioning in the orientation angle of predetermined set, so that hinge can be at the 90 of predetermined set degree extremely
Freely position in 180 degree orientation angle, and can be self-closing below 90 degree of predetermined set orientation angles so that
Hinge can free predetermined set orientation angle.
Embodiment two
It is with one difference of embodiment：Please illustration Figure 27 to Figure 29, including hinge 10, solid seat 20,
Gu bar 30, swivel nut 40, center 50, plug 60 and adjustment seat 70.The fixed plate that the solid seat 20 has
25 vertical base plate 22 is convexly equipped with the end face of above-mentioned projection seat 23 and is arranged with an axle sleeve 21, and the projection seat 23 is about
25 half of fixed plate is accounted for, 10 axle sleeve 11 of hinge is located on projection seat 23.The center 50 and axle sleeve 11
Along the spacing dimension position of axis and axial and circumferential, an inside and outside first row air inlet 55 for running through is respectively provided with；
The axle sleeve 11 sets an inside and outside first row air inlet 55 for running through, and is the first row air inlet of sectional center set 50
55 (certainly, 55) axle sleeve 11 can also be without arranging first row air inlet, 55 edge of first row air inlet
Center 50 is consistent with the axis of axle sleeve 11 with the size-spacing set location of axial and circumferential.The conjunction
Page 10 includes that axle sleeve 11 and the blade 12 being fixed in outside axle sleeve 11, the solid seat 20 include a fixed plate 25 1
Vertical base plate 22 and one is fixed in the projection seat 23 on vertical base plate 22, the vertical base plate 22 of the projection seat 23
End face be arranged with an axle sleeve 21.The center 50 is connected to 21 in axle sleeve 11 and axle sleeve, the axle sleeve 11
It is arranged side by side with axle sleeve 21 so that hinge 10 and blade 12 can consolidate the axle that seat 20 and projection seat 23 have relatively
Set 21 is rotated so that hinge can constitute the self-positioning and self-closing jib door structure hinge of any high sealing formula door vapour-pressure type
Chain, and the convex door hinge that any high sealing formula door vapour-pressure type is self-positioning and self-closing.
The swivel nut 40 can be rotated and can not be slidably connected in center 50, the axle sleeve 11 of the hinge 10
The part that stretches out with swivel nut 40 outside center 50 is affixed, and this is affixed for example：One change 41 of another arranging, the spiral shell
Cover 40 tops and be convexly equipped with thin bar 42, the thin bar 42 can turn through change 41, the adaptation of change 41 is located at
11 top of axle sleeve, arrange affixed screw 98 through axle sleeve 11 and affixed enter change 41 in, with affixed change
41 and axle sleeve 11, with relatively affixed axle sleeve 11 and the thin bar 42 of swivel nut 40, the change 41 and axle sleeve 11 are also
The axially activity of swivel nut 40 can be limited, Gu with energy positioning thread insert/bar along axis rotation and the axial direction that slides and week
To size-spacing position, be relative ensure to coordinate 10 blade 12 of hinge can in the orientation angle of predetermined set,
Needs orientation angle positioning.The plug 60 prevents plug from slidably connecting relatively by the second flange 52
Connect and be fixed in center 50, the axle sleeve 21 and plug 60 of the solid seat stretch out the part outside center 50
Affixed, this is affixed for example arrange affixed screw through axle sleeve 21 and affixed enter plug 60 in.
The swivel nut 40 and plug 60 are spaced, and are provided with solid bar between the swivel nut 40 and plug 60 in the center 50
30th, the first spring 81, centre mount 82, retaining spring 83 and check valve 90.It is additionally provided with the center 50
One cup 56, the cup 56 are located in center 50 along 50 axis of center, the cup bottom opening of the cup.
The centre mount 82 is blow-cook 82.Best：The first flange 51 is set in center 50, by the first flange 51
In center 50, it is impossible to be slidably connected and be fixed with volution 43, (can also be without arranging in the center
43) volution 43 is located under swivel nut volution and the screw rod 31 is bolted through volution 43 and is spirally connected again swivel nut 40,
So that the volution 43 can be limited and control the screw rod 31 rotates slip and movement relative to swivel nut 40, produced
Spacing dimension coefficient, Gu with can positioning thread insert/bar along axis rotary shaft and slip to circumferential size spacing position
Put, relative guarantee cooperation 10 blade 12 of hinge can be self-positioning in the orientation angle of predetermined set.In hinge
The heart set inherence is not provided with the situation of the first spring 81, hinge still can predetermined set orientation angle self-positioning.
Wherein：By the first row air inlet 55, along center 50 and axle sleeve 11 axis and axially and
Circumferential size spaced position is arranged, and is entered by 98 spiral shell of affixed screw and be bolted through turn through axle sleeve 11
Interlocking fixes thin bar 42 to ring 41 again, makes axle sleeve, change, thin bar affixed together, so that change 41 can coordinate
Hinge 10 and the rotation of axle sleeve 11, can limit the axially activity of swivel nut 40, relative with can positioning thread insert/
Gu the axial and circumferential size-spacing position that bar is rotated along axis and slided, and by the axle sleeve 11 of hinge 10
Interior screw rod 31 and the threaded of swivel nut 40, with rotation slip that can be relative, and pass through the first flange 51
In center 50, it is impossible to be slidably connected and be fixed with volution 43, the volution 43 is located under swivel nut and the spiral shell
Bar 31 is bolted through volution 43 and is spirally connected again swivel nut 40, so that the volution 43 can be limited and control the screw rod 31
Rotate relative to swivel nut 40 and slide and mobile, produced spacing dimension coefficient, Gu with energy positioning thread insert/bar edge
The axial and circumferential size-spacing position that axis is rotated and slided, so that the solid bar 30 in center 50 has
Exhaust pition 33 can rotate relative to swivel nut 40 so that the exhaust pition 33 that solid bar has produces fixed axle
To towards the activity of check valve 90, at the same time the gas in air pressure room is by the with circumferential size spacing downward spiral
One discharges into pore 55 discharges, and the second row pore 911 of check valve 90 is discharged, the axle sleeve of hinge
The exhaust pition that interior solid bar has continues relative swivel nut axis downward spiral and slides, and is slipping over first row air inlet
55 position of hole, at the same time the gas in air pressure room is by the 911 outside row of second row pore of check valve 90
Go out, so that the exhaust pition 33 in center can corresponding check valve 90 and retaining spring 83 and gas leakage blocking 92
With first row air inlet 55, so that air-pressure chamber can be constituted, enable the exhaust pition in air pressure room produce atmospheric pressure and
(suction force) is balanced, and is to can guarantee that relatively hinge blades 12 can free 10 blade 12 of predetermined set hinge
Orientation angle position.
The screw rod 31 of the solid bar 30 is spirally connected swivel nut 40 and solid bar 30 is provided with exhaust pition 33, exhaust pition 33
Sealing is slipped in center 50.The centre mount 82 is fixed at the opening of cup 51 and seals cup opening
Gap with center.The check valve 90 is located in cup 56.The first row air inlet 55 along center and
The axial and circumferential size-spacing set location of axle sleeve, positioned at exhaust pition along the event trace of center, should
Axial and circumferential size-spacing set location of the first row air inlet 55 along center and axle sleeve, corresponding hinge exist
90 degree of orientation angle starting points of one predetermined set orientation angle are self-positioning, and energy below 90 degree of orientation angles
Self-closing boundary's point, both hinge turn to a predetermined set orientation angle 90 degree of orientation angle starting points self-positioning and
Can be self-closing below 90 degree of orientation angles boundary's point when so that exhaust pition can correspond to check valve 90 and gas leakage
Blocking 92 and 83 first row air inlet 55 of retaining spring, so that air-pressure chamber can be constituted, the at the same time air-pressure chamber
Hinge can be corresponded to and be coordinated can position in the orientation angle of predetermined set, so that hinge can be in predetermined set
90 degree freely position to 180 degree orientation angle, and can be self-closing below 90 degree of orientation angles, make
Obtaining hinge can free predetermined set orientation angle.
Among one concrete structure：The check valve 90 include one can slip and seal air-pressure chamber cup 56 cup
The positioning piston 91 of wall, gas leakage blocking 92 and one the 3rd spring 93,91 center of positioning piston sets second
Steam vent 911, the gas leakage blocking 92 include the stifled post 922 of a pad 921 and a projection at pad center,
The stifled post 922 adaptation is stretched in second row pore 911,93 one end contact pad 921 of the 3rd spring, separately
One end energy contact is at the cup bottom of cup 56.The cup 56 is provided with a step 561, and positioning piston 91 is supported to arrive in
On step 561, close along moving near 93 direction of the 3rd spring for limiting positioning piston 91.This is unidirectional
Valve 90 is positioning piston 91.911 end face of second row pore is recessed into from large to small relative to 921 direction of pad
Taper hole, in order to ensure sealing property, preferably, position the mounting groove 913 of the recessed annular of the outer surface of revolution of piston,
Built with leakproof seal circle 912, the leakproof seal circle 912 also stretches out outside mounting groove 913 mounting groove, so that close
Seal 912 is slidingly sealed the wall of cup for abutting against cup 56.When exhaust pition 33 down helical rotation,
The perisporium of the gas extrusion second row pore 911 in air pressure room so that 911 perisporium of second row pore and stifled post
Gap is produced between 922, is discharged through the gap of 911 perisporium of second row pore and stifled post 922, by discharging gas
Extruding pad and stifled post so that pad 921 and stifled post 922 shrink back so that pad 921 and positioning piston
Gap is produced between 91 diapires, and gas is discharged by the gap between pad 921 and positioning 91 diapire of piston again,
After discharge in the case where the energy storage elastic force and its own resilient of the 3rd spring 93 are acted on, so that the 3rd spring one end can be supportted
The cup bottom of cup is supported, the other end is reset to the surface week of positioning piston with energy contact pad 921 and stifled post 922
Wall, to completely cut off and prevent external air from penetrating in air-pressure chamber from second row pore.The check valve is positioning piston.
The solid bar 30 also includes a bulge loop 32 for being fixed in 31 end of screw rod, and the 32 recessed annular of bulge loop is installed
Groove 321, is socketed with leakproof seal circle in the annular mounting groove 321, and the leakproof seal circle 322 also stretches out installation
Outside groove 321, slipped in center 50 with sealing, the leakproof seal circle constitutes above-mentioned exhaust pition 33.Root
According to needs, can also consolidate one slide of bar contact (such as direct contact passes through pivot pivot joint slide), the slide is set to
Exhaust pition.
The adjustment seat 70 connects cup through plug, so that the axial location of the relative center of cup can be adjusted, with
The first spring energy-storage elastic force and pretightning force and air-pressure chamber cavity size can be correspondingly adjusted, realizes adjusting self-closing dynamics
Size, self-closing speed speed.The such as screw rod of the adjustment seat 70, the screw rod are bolted through plug, and with cup
Cup bottom links together, and this links together, and such as screw rod sets step surface, the bottom at step surface contact cup cup bottom
Face, screw rod can turn through the opening at glass bottom, another arrange nut and be spirally connected affixed screw rod end be resisted against cup
The top surface at cup bottom.
Among the present embodiment：The first flange 51 is set in center 50, by the first flange 51 in center 50
Interior and can not be slidably connected and affixed volution 43；A clutch shaft bearing 44 is set between the swivel nut 40 and center 50
(by being arranged third lip 53 at center, can axially limit connection and be connected with clutch shaft bearing 44)；Should
Gu second bearing 84 is set between 30 bottom face of bar and the first spring 81, (it is of course also possible to without arranging the second axle
Hold 84)；The second flange 52 is set in center 50, plug is prevented from relatively slidably by the second flange 52
Connect and be fixed in center.The blow-cook 82 includes a pedestal 821, and the pedestal 821 sets one the 3rd row
Pore 822, is installed with horn body 823 under the pedestal 821, and the pedestal 821 is supported on the rim of a cup periphery of cup,
The horn body 823 is located in cup, and the 3rd steam vent 822 connects 823 endoporus of horn body, the 3rd row
Pore is such as recessed into taper from large to small towards horn body direction by pedestal one end；The pedestal 821 is sealed
It is abutted against center, preferably, the mounting groove 811 of the recessed annular of 821 side face of pedestal, installing in the mounting groove 811
Leakproof seal circle 824, the sealing ring 824 are also stretched out outside mounting groove 811, are abutted against center 50 to seal.
The centre mount 82 and cup 56 are connected by affixed screw 98.322nd, 824,912,562 leakproofs are close
Seal material all has elasticity, it is also possible to be made up of elastomeric material.The side face of the outer surface of revolution of 56 wall of cup of cup
The mounting groove 560 of recessed annular, the mounting groove 560 are arranged a leakproof seal circle 562, the leakproof seal circle 562
Also stretch out outside mounting groove 560, to completely cut off and prevent outside air from entering in the air pressure room of center.
Hinge can be rotated relative to 21 axis of axle sleeve of seat 20 and projection seat 23 admittedly through opening, so that in center
Gu bar swivel nut downward spiral can pass through first towards 90 activity of check valve, the at the same time gas in air pressure room relatively
Discharge into pore to discharge, the second row pore 911 of check valve is discharged, now the storage of the first spring-compressed
Energy；The solid bar of hinge continues to rotate slip relative to swivel nut axis downward spiral, so that the exhaust pition that solid bar has
First row air inlet hole site is being slipped over, at the same time the gas in air pressure room passes through the second row pore of check valve
911 discharge, so that the exhaust pition in center can correspond to check valve and retaining spring and gas leakage blocking
92 and first row air inlet 55, so that air-pressure chamber can be constituted, the bullet of the first spring admittedly suffered by bar in the process
Power, self gravitation, atmospheric pressure (suction force) balance in air pressure room so that the exhaust pition in air pressure room
Check valve and gas leakage blocking 92 and retaining spring can be corresponded to, so that the exhaust pition in air pressure room can produce air
Pressure and (suction force) are balanced so that during this, hinge can be realized self-positioning.Hinge is closed so that solid
Bar can relative swivel nut spiral move up, make that exhaust pition is bottom-up in air pressure room not to skid off (exiting)
Before first row air inlet so that the exhaust pition in air pressure room can correspond to check valve and retaining spring and gas leakage is stifled
Plug and first row air inlet, the first bullet suffered by exhaust pition that the solid bar in air pressure room has in the process
The elastic force of spring, self gravitation, atmospheric pressure and (suction force) balance, enable positioning piston relatively by exhaust pition
(suction force) and produce atmospheric pressure, and bottom-up twitched and bottom-up slide, to hinge
Stop at that an intended orientation angle is self-positioning, at the same time the compressed energy-storage elastic force of the retaining spring produces change,
Can support to arrive in centre mount, the other end extremely positions the step that piston is supported to arrive in, same period with energy contact positioning piston for one end
The atmospheric pressure that the positioning piston is produced by the suction force of exhaust pition, and bottom-up twitched and from
When lower upward sliding, the compressed energy-storage elastic force of the 3rd spring produces change, and one end is with energy support cup
Cup bottom, the relative pad 921 and stifled post 922 with the gas leakage blocking of energy contact of the other end are reset to positioning piston
Surface perisporium, is entered in air pressure room from second row pore with completely cutting off outside air, so that exhaust pition can be certainly
It is positioned in air pressure room, as long as before exhaust pition does not skid off (exiting) first row air inlet, just can mobility
In air pressure room coordinate hinge self-positioning in the orientation angle of predetermined set.Retaining spring in the air pressure room
Energy storage elastic force and pretightning force are stronger, opposite side institute contact positioning piston contact tensile strength be bound to compared with
Powerful, the retaining spring other end contact centre mount is relative so that the positioning piston in air pressure room is lived by aerofluxuss
Plug is bottom-up to twitch and bottom-up slip, in the process the suction force of the exhaust pition in air pressure room
And the intensity of the atmospheric pressure for producing relatively will be more powerful, so that hinge blades are self-positioning in predetermined angular
Dynamics is bound to more powerful relatively.Before the bottom-up air inlet without first row of exhaust pition, hinge can be realized
Self-positioning, after exhaust pition skids off (exiting) first row air inlet hole site, so that center among heart
Outside air enter in air pressure room from first row air inlet, relative make in air pressure room, to lose atmospheric pressure and suction
Power, so that 10 blade 12 of hinge loses self-locating function, the at the same time energy storage release of the first spring, with
The solid bar of drive is movable upwards, and hinge can be realized self-closing.
The adjustment seat can adjust axial location of the cup with respect to center, be stored up with adjusting the compression of the first spring
Energy elastic force and initial tension of spring and air-pressure chamber cavity size, at least realize adjusting self-closing dynamics size, self-closing speed
Degree speed.
Wherein：The center of hinge can constitute air-pressure chamber, and the indispensability of the free predetermined set orientation angle of energy
Condition has following shuttling movement flow process details, when hinge blades are through opening, is by the affixed screw 98
Spiral shell enters through axle sleeve 11 be bolted through the interlocking fixation thin bar 42 again of change 41, so that change 41 can coordinate conjunction
Page 10 and the rotation of axle sleeve 11, so that the axially activity of swivel nut 40 can be limited, Gu relative with can positioning thread insert/
The axial and circumferential size positions that bar is rotated along axis and slided, and the first flange 51 is set by center 50,
By the first flange 51 in center 50 and the fixed spiro 43 that can not be slidably connected, and by hinge
The threaded of screw rod and swivel nut in axle sleeve is so that screw rod can be relative to swivel nut rotation, so that the solid bar in axle sleeve
Can relative swivel nut when rotating can also relative axis rotation slip, and by the first spring 81 in the center
Contact is between 30 bottom face of solid bar and centre mount 82, and passes through 83 contact of retaining spring in centre mount 82
And positioning piston 91 between, and it is located in cup 56 by the sealing of positioning piston 91 and abuts against cup 56
Interior, and by first row air inlet 55 along center axis and axial and circumferential size-spacing set location,
A leakproof seal circle is arranged with by the outer surface of revolution of the cup wall of cup, and by being socketed with sealing ring outside the solid bar,
The sealing ring constitutes above-mentioned exhaust pition, and be fixed at the opening of cup 51 by the centre mount 82 and
Sealing cup opening and the gap of center, and by setting the second flange 52 in center 50, convex by second
Edge 52 prevents plug from being slidably connected relatively and being fixed in center, the axle sleeve 21 that the projection seat 23 has
The part connection outside center 50 is stretched out with plug 60, and by the 3rd spring one end contact pad and leakage
Gas blocking 92, other end energy contact is at the cup bottom of cup, so that energy relative projection seat when hinge blades are through opening
Axle sleeve is rotated, so that the exhaust pition energy swivel nut downward spiral relatively that solid bar has is movable towards check valve 90, with
By first row air inlet, the second row pore of check valve is discharged this gas simultaneously in air pressure room, with
This first spring-compressed energy storage simultaneously, hinge continue the axle sleeve axial rotation of relative projection seat, so that solid bar has
Exhaust pition slip over first row air inlet hole site after, at the same time the gas in air pressure room is by check valve
Second row pore is discharged, can be constituted air-pressure chamber.Wherein：The center and axle sleeve are along axis and axial direction
Circumferential size-spacing position is provided with an inside and outside first row air inlet for running through so that exhaust pition can be right
Check valve and gas leakage blocking and retaining spring and first row air inlet is answered, so that air-pressure chamber can be constituted；The first row
Axis and axial and circumferential size-spacing set location of the air inlet along center and axle sleeve, correspond to hinge one
90 degree of orientation angle starting points of predetermined set orientation angle are self-positioning, and can be certainly below 90 degree of orientation angles
The boundary's point for closing, both hinge turn to a predetermined set orientation angle 90 degree of orientation angle starting points self-positioning and
Below 90 degree of orientation angles can self-closing boundary's point when so that exhaust pition can correspond to check valve and positioning piston and
Gas leakage blocking and first row air inlet, can be constituted air-pressure chamber, at the same time the air-pressure chamber can be corresponded to and be coordinated
Hinge with can be self-positioning in the orientation angle of predetermined set so that hinge can be at the 90 of predetermined set degree to 180
Freely self-positioning in degree orientation angle, and can be self-closing below 90 degree of orientation angles so that hinge can be freely
Predetermined set orientation angle.
Embodiment three
It is with one difference of embodiment：Please illustration Figure 30, Figure 35, the axle sleeve 11 of the hinge 10 sets
In solid seat 20, the thin bar 42 of the swivel nut 40 can be rotated relative to bar 30 admittedly and solid seat 20；The thin bar 42
Blade 12 is constituted, because the thin bar 42 is fixed in the door leaf of high sealing formula door by affixed screw 98.The axle sleeve
11 constitute center 50, and the center 50 is provided with an inside and outside first row air inlet 55 for running through, the cup 56
With axle sleeve 11 along the spacing dimension position of axis and axial and circumferential, be respectively provided with one inside and outside run through discharge into pore
95, (cup 56 and axle sleeve 11 can also discharge into pore 95 without arranging)；The positioning piston 91 changes and sets not
There is second row pore 911, relative is that (the positioning piston 91 may be used yet certainly without arranging gas leakage blocking 92
Blocked 92) with being provided with second row pore 911, gas leakage；This discharges into 95 set location of pore, positioned at positioning
Along the up and down track of axial and circumferential of 56 wall of cup of cup, this discharges into pore 95 to piston 91 (check valve)
It is consistent, (certainly, cup along center 50 and the axial and circumferential spacing dimension set location of cup 56
95) body 56 and axle sleeve 11 can also discharge into pore without arranging；The first row air inlet 55 is along center
Axis and axial and circumferential size-spacing set location, 90 degree in a predetermined set orientation angle of corresponding hinge
Orientation angle starting point is self-positioning, and can be self-closing below 90 degree of orientation angles boundary's point, both hinge turned to one
90 degree of orientation angle starting points of predetermined set orientation angle are self-positioning, and can be certainly below 90 degree of orientation angles
During the boundary's point for closing, so that exhaust pition 33 can correspondingly position piston 91 and retaining spring 83 and discharge into pore 95
With first row air inlet 55, so that air-pressure chamber can be constituted, at the same time the air-pressure chamber can correspond to and coordinate hinge with
Can be self-positioning in the orientation angle of predetermined set, so that hinge can be fixed to 180 degree at the 90 of predetermined set degree
Freely self-positioning in parallactic angle degree, and can be self-closing below 90 degree of orientation angles so that hinge freely can make a reservation for
Orientation angle is set.The plug is fixed in by affixed screw 98 in the other end of center (axle sleeve), should
Swivel nut is fixed in the other end of center (axle sleeve), and the swivel nut and plug are spaced；Spiral shell in the center
Set and plug between be provided with solid bar, the first spring, centre mount, retaining spring, positioning piston (check valve) and
3rd spring；The screw rod of the solid bar is spirally connected swivel nut and solid bar is provided with exhaust pition, and exhaust pition sealing is slipped
In center；First spring top is against between solid bar and centre mount, the retaining spring contact in centre mount and
Between positioning piston (check valve), positioning piston (check valve) sealing is located in center, the aerofluxuss
Air-pressure chamber is constituted between piston and positioning piston (check valve)；(the positioning piston is exactly check valve)；Wherein：
The exhaust pition is outwards arranged towards positioning piston (check valve) activity, air pressure room air through first row air inlet
Go out, the pore that discharges into of cup, center is discharged, at the same time exhaust pition is slipping over first row air inlet
Behind hole site, at the same time the air in air pressure room is discharged through the pore that discharges into of cup, center, with
Air-pressure chamber can be formed.The volution 43 is entered through center in the affixed volution 43 of interlocking by 98 spiral shell of affixed screw,
So as to volution 43 can not be slidably connected be fixed in axle sleeve 11 (center), (certainly, in the center
Can also be without arranging volution 43), the volution 43 is located under swivel nut and the screw rod is bolted through the spiral shell again of volution 43
Swivel nut is connect, so that the volution 43 can be limited and control the screw rod rotates slip and movement relative to swivel nut, produced
Spacing dimension coefficient, solid with can positioning thread insert/bar along axis rotate and slip axial and circumferential size position
Put, be that the relative blade for ensureing to coordinate hinge can free predetermined set orientation angle；The swivel nut is fixed in center
In one end of set, the plug 60 is fixed in the other end of center by affixed screw, the swivel nut and plug
Interval.And second bearing can be omitted.
By the first row air inlet 55, arrange along the axial and circumferential size-spacing position of center 50, and
By affixed screw 98 so that thin bar 42 is fixed in the door leaf of high sealing formula door, Gu with energy positioning thread insert/bar edge
The axial and circumferential size-spacing position that axis is rotated and slided, and by the spiral shell in the axle sleeve 11 of hinge 10
The threaded of bar 31 and swivel nut 40 is with the relative rotation of energy, and is entered through center by 98 spiral shell of affixed screw
Set 50 enters interlocking fixed spiro 43 in spiral shell, so as to volution 43 can not be slidably connected be fixed in center 50,
The volution 43 is located under swivel nut and the screw rod 31 is bolted through volution 43 and is spirally connected again swivel nut 40, so that the volution
43 can limit and control the screw rod 31 relative to the rotation of swivel nut 40 slip and mobile, produced spacing dimension system
Number, Gu the axial and circumferential size-spacing position for rotating along axis and sliding with energy positioning thread insert/bar, so that in
30 energy of solid bar swivel nut 40 relatively in heart set 50, is rotated with producing the axial and circumferential size-spacing of fixation
And slip is movable downwardly toward positioning piston 91, at the same time the gas in air pressure room passes through first row air inlet
55 discharge and discharge with the pore that discharges into of cup 56 and center, and exhaust pition 33 is slipping over first
Pore 55 is discharged into, at the same time the gas in air pressure room is discharged by the pore that discharges into of cup and center,
So that the exhaust pition 33 in center can correspondingly position piston and retaining spring 83 and first row air inlet 55
So that air-pressure chamber can be produced, enable the exhaust pition in air pressure room to produce atmospheric pressure and (suction force) balance, be
Can guarantee that relatively hinge blades 12 can be freely self-positioning in the orientation angle position of predetermined set.
Wherein：Hinge can be rotated relative to seat admittedly through opening, so that the solid bar in center can relative swivel nut spiral
Downwardly toward 91 activity of positioning piston, at the same time the gas in air pressure room is discharged by first row air inlet,
Cup, the pore that discharges into of center are discharged, now the first spring-compressed energy storage；The solid bar of hinge continues phase
Swivel nut downward spiral is slided, exhaust pition slipping over first row air inlet, the at the same time gas in air pressure room
Body is discharged by cup, the pore that discharges into of center, so that the exhaust pition in center correspondingly can be determined
Position piston (check valve) and first row air inlet 55, can be constituted air-pressure chamber, in the process admittedly suffered by bar
The elastic force of the first spring, self gravitation, the exhaust pition in air pressure room can correspondingly position piston (check valve),
So that the exhaust pition in air pressure room can produce atmospheric pressure and (suction force) balances each other so that hinge during this
Can realize self-positioning.Hinge is closed so that solid bar energy swivel nut spiral upward sliding relatively, exhaust pition is in gas
Bottom-up in pressure chamber do not skid off (exiting) first row air inlet before, enable the exhaust pition in air pressure room right
Piston (check valve) and retaining spring should be positioned, the aerofluxuss that the solid bar in air pressure room has in the process are lived
The elastic force of the first suffered spring of plug, self gravitation, atmospheric pressure and (suction force) balance each other, and make positioning relatively
The atmospheric pressure that piston (check valve) can be produced by (suction force) of exhaust pition, and bottom-up taken out
Move and the bottom-up slip of the wall of cup in cup, to hinge stop at a predetermined angular self-positioning after, or
Bottom-up slide into when discharging into pore position so that outside air is from axle sleeve (center), cup
Discharge into pore to enter in air pressure room, to hinge stop at a predetermined angular self-positioning after, with the period positioning bullet
The compressed energy-storage elastic force of spring produces change, so that retaining spring one end energy contact centre mount, the other end is with energy support
Positioning piston, produces change with the compressed energy-storage elastic force of the 3rd spring of period, the 3rd spring one end is pushed up
Cup cup bottom is supported, the other end is with energy support positioning piston, so that the 3rd spring and retaining spring cooperate,
Relatively with energy mutually contact positioning piston (check valve) to reset, or so that the 3rd spring and retaining spring phase
Mutually coordinate, relatively with energy mutually contact positioning piston (check valve) to reset, so that outside air can be completely cut off again
Pore is discharged into from cup to enter in air pressure room, with period positioning piston (check valve) the taking out by exhaust pition
Suction and produce atmospheric pressure balance so that the exhaust pition in center can correspondingly position piston (check valve),
So that exhaust pition can be self-positioning in air pressure room, as long as exhaust pition does not skid off (exiting) first row air inlet
Kong Qian, coordinates hinge self-positioning in predetermined angular with regard to energy mobility in air pressure room.Positioning in the air pressure room
The energy storage elastic force of spring and spring pre-tightening force intensity are more powerful, the contact of the positioning piston of opposite side institute contact
Tensile strength is bound to more powerful, the retaining spring other end contact centre mount, relative so that in air pressure room
Positioning piston is twitched and bottom-up slip by exhaust pition is bottom-up, in the process in air pressure room
The suction force of exhaust pition and the intensity of atmospheric pressure that produces is relative will be more powerful so that hinge blades exist
The self-positioning positioning dynamics of one predetermined angular is bound to more powerful relatively.Exhaust pition is not bottom-up sliding through (moving back
Going out) before first row air inlet, hinge can be realized self-positioning, and exhaust pition is discharged into skidding off (exiting) first
Behind pore position, so that the outside air of center is entered in air pressure room from first row air inlet among heart,
Relative make to lose atmospheric pressure and suction force in air pressure room so that hinge loses self-locating function, at the same time the
The energy storage release of one spring, to drive solid bar movable upwards, hinge can be realized self-closing.
Wherein：The center of hinge can constitute air-pressure chamber, and the indispensability of the free predetermined set orientation angle of energy
Condition has following shuttling movement flow process details, when hinge blades are through opening, be by affixed screw 98 with
The thin bar 42 is made to be fixed in the door leaf of high sealing formula door, the relative axially activity that can limit swivel nut 40, with energy
Gu the axial and circumferential size positions that positioning thread insert/bar is rotated along axis and slided, and by the axle sleeve of hinge
Screw rod and swivel nut threaded so that screw rod can relative swivel nut rotate so that the solid bar in axle sleeve can be with respect to
Swivel nut when rotating can also the rotation of relative axis slide, and entered by 98 spiral shell of affixed screw and exist through axle sleeve 11
Interlocking volution 43, so as to volution 43 can not be slidably connected be fixed in center 50, and passes through the center
81 contact of the first spring in set is between 30 bottom face of solid bar and centre mount 82, and passes through the retaining spring
83 contacts are between centre mount 82 and check valve 90, and are located in cup 56 by the sealing of check valve 90
And abut against in cup 56, and by first row air inlet 55 along center axis and axial and circumferential chi
Very little spacing set location, and a leakproof seal circle is arranged by the outer surface of revolution of the cup wall of cup, and by positioning
Piston seal is located at and abuts against in cup 56, and by being socketed with sealing ring outside the solid bar, the sealing ring structure
Into above-mentioned exhaust pition, and it is fixed at the opening of cup 51 by the centre mount 82 and seals cup and open
Mouth and the gap of center, and entered through center 50 in lock by 98 spiral shell of affixed screw by the plug 60
Plug 60 is connect, so that plug 60 is fixed in center 50, and is positioned by the 3rd spring one end contact
Piston, other end energy contact is at the cup bottom of cup, so as to can rotate relative to the axle sleeve of seat admittedly when hinge is through opening,
So that the exhaust pition that has of solid bar can relative swivel nut rotate, at the same time gas movable downwardly toward positioning piston 91
Gas in pressure chamber is discharged by the pore that discharges into of first row air inlet, cup and center, same with this
When the first spring-compressed energy storage, hinge continues to consolidate relatively the axle sleeve axial rotation of seat and slides, and exhaust pition slips over
Behind first row air inlet hole site, at the same time the gas in air pressure room discharges into pore by cup and center
Discharge, so that air-pressure chamber can be constituted.Wherein：The center and axle sleeve are along axis and the chi of axial and circumferential
Very little spaced position is provided with an inside and outside first row air inlet for running through so that exhaust pition can correspondingly position piston
With retaining spring and discharge into pore 95 and first row air inlet 55, so that air-pressure chamber can be constituted；The first row air inlet
Axial and circumferential size-spacing set location of the hole 55 along center, corresponding hinge is in a predetermined set orientation angle
90 degree orientation angle starting points of degree are self-positioning, and the self-closing boundary's point of energy below 90 degree of orientation angles, both close
90 degree of orientation angle starting points that page turns to a predetermined set orientation angle are self-positioning, and in 90 degree of orientation angles
During the self-closing boundary's point of the following energy of degree, so that exhaust pition can correspondingly position piston and retaining spring and first and discharge into
Pore 55, can be constituted air-pressure chamber, at the same time the air-pressure chamber can be corresponded to and coordinate the hinge can be in predetermined set
Orientation angle self-positioning so that hinge can be free in the 90 of predetermined set degree to 180 degree orientation angle
Self-positioning, and can be self-closing below 90 degree of orientation angles so that hinge can free predetermined set orientation angle.
The above, only present pre-ferred embodiments, therefore the model of present invention enforcement can not be limited according to this
Enclose, i.e., the equivalence changes that is made according to the scope of the claims of the present invention and description and modification all should still belong to this
Bright cover in the range of.
Claims (9)
1. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type, including hinge, consolidates seat, solid bar and swivel nut,
The hinge sets axle sleeve and the blade being fixed in outside axle sleeve, and the solid seat sets another axle sleeve, and the hinge can consolidate seat relatively
Rotate with projection seat, the solid bar has screw rod；It is characterized in that：Also include plug and center, the center
With axle sleeve along the spacing dimension position of axis and axial and circumferential, an inside and outside first row air inlet for running through is respectively provided with
Hole；The center is socketed in the axle sleeve of hinge and in the axle sleeve of solid seat；The swivel nut can be rotated and be located at center
An interior and affixed axle sleeve, the plug are located in center and affixed another axle sleeve, and the swivel nut and plug are spaced,
Solid bar, the first spring, centre mount, retaining spring and unidirectional is provided between the swivel nut and plug in the center
Valve；The screw rod of the solid bar is spirally connected swivel nut and solid bar is provided with exhaust pition, and exhaust pition sealing is slipped in center
Interior；First spring top is against between solid bar and centre mount, and the retaining spring contact is in centre mount and check valve
Between, the check valve sealing is located in center, constitutes air-pressure chamber between the exhaust pition and check valve；Wherein：
The exhaust pition is discharged towards check valve activity, air pressure room air through first row air inlet, check valve,
After exhaust pition cunning is through first row air inlet hole site, the air in air pressure room can be discharged through check valve.
2. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type, including hinge, consolidates seat, solid bar and swivel nut,
The hinge sets axle sleeve, and the axle sleeve is located in solid seat, and the thin bar that the swivel nut has can be rotated relative to bar admittedly, and this is solid
Bar has screw rod；It is characterized in that：Also include plug, the axle sleeve constitutes center, and the center is arranged with one
The inside and outside first row air inlet for running through, the cup and axle sleeve along the size-spacing position of axis and axial and circumferential,
Be respectively provided with one inside and outside run through discharge into pore；The swivel nut is fixed in one end of center, and the plug is fixed in
In the other end of center, the swivel nut and plug are spaced；Be provided between the swivel nut and plug in the center solid bar,
First spring, centre mount, retaining spring and positioning piston；The screw rod of the solid bar is spirally connected swivel nut and solid bar is provided with
Exhaust pition, exhaust pition sealing are slipped in center；First spring top be against solid bar and centre mount it
Between, between centre mount and positioning piston, the positioning piston seal is located in center the retaining spring contact,
The exhaust pition and positioning piston space constitute air-pressure chamber；Wherein：The exhaust pition is towards positioning piston activity, gas
Pressure room air is discharged through the pore that discharges into of first row air inlet, cup and center, and exhaust pition exists
After sliding through first row air inlet hole site, the air in air pressure room is outwards arranged through the pore that discharges into of cup and center
Go out.
3. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type according to claim 1 and 2, its are special
Levy and be：The check valve includes that one can slip and seal the positioning piston of air-pressure chamber, gas leakage blocking and one the
Three springs, the positioning piston centre set second row pore, and the gas leakage blocking includes a pad and a projection in pad
The stifled post at piece center, the stifled post adaptation are stretched in second row pore, the 3rd spring one end contact pad, separately
One end can relative contact plug.
4. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type according to claim 3, its feature exist
In：The centre mount is blow-cook.
5. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type according to claim 4, its feature exist
In：Also include a cup, the cup adjustably can be located in center along center；The check valve is located at cup
In vivo, the centre mount is fixed in cup.
6. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type according to claim 5, its feature exist
In：Also include adjustment seat, the cup adjustably can be located in center along center, the adjustment seat passes through stifled
Head connection cup, can adjust the axial location of the relative center of cup.
7. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type according to claim 6, its feature exist
In：The cup is provided with a step, moves along close 3rd spring direction for limiting positioning piston, the 3rd
Spring top is against between the cup bottom of cup and pad.
8. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type according to any one of claim 1 to 3
Chain, it is characterised in that：Outside the solid bar, sealing ring is socketed with, the sealing ring constitutes above-mentioned exhaust pition.
9. the self-positioning and self-closing hinge of high sealing formula door vapour-pressure type according to any one of claim 1 to 3
Chain, it is characterised in that：Also include that the volution that can be located in center affixedly, the volution are located at swivel nut and row
Between gas piston, the screw rod of the solid bar is bolted through volution and is spirally connected again swivel nut.
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|---|---|---|---|
| CN2015105465391 | 2015-08-31 | ||
| CN201510546539 | 2015-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780743A (en) * | 2016-08-31 | 2018-03-09 | 赵芬 | High sealing formula door vapour-pressure type is self-positioning and self-closing hinge |
| CN109596284A (en) * | 2018-12-29 | 2019-04-09 | 黄晓亮 | A kind of pipe joint gas leak detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608644Y (en) * | 2003-01-28 | 2004-03-31 | 王志峰 | Automatic elastic damping location hinge |
| JP2006009445A (en) * | 2003-08-28 | 2006-01-12 | Sankei Kogyo:Kk | Turning lock device |
| CN2823486Y (en) * | 2005-10-20 | 2006-10-04 | 陆才生 | Adjustable double speed hydraulic hinge |
| CN101876227A (en) * | 2009-04-29 | 2010-11-03 | 陈建竹 | Door spindle hinging device capable of adjusting torsion |
| US20120216370A1 (en) * | 2009-08-18 | 2012-08-30 | Chung Chow | Damped door hinge |
| CN204212589U (en) * | 2014-09-30 | 2015-03-18 | 吴芷靖 | A kind of high sealability formula door is elevated self-closing hinge |
| CN206530184U (en) * | 2015-08-31 | 2017-09-29 | 赵芬 | A kind of high sealing formula door vapour-pressure type is self-positioning and self-closing hinge |
-
2015
- 2015-09-29 CN CN201510631441.6A patent/CN106499285B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2608644Y (en) * | 2003-01-28 | 2004-03-31 | 王志峰 | Automatic elastic damping location hinge |
| JP2006009445A (en) * | 2003-08-28 | 2006-01-12 | Sankei Kogyo:Kk | Turning lock device |
| CN2823486Y (en) * | 2005-10-20 | 2006-10-04 | 陆才生 | Adjustable double speed hydraulic hinge |
| CN101876227A (en) * | 2009-04-29 | 2010-11-03 | 陈建竹 | Door spindle hinging device capable of adjusting torsion |
| US20120216370A1 (en) * | 2009-08-18 | 2012-08-30 | Chung Chow | Damped door hinge |
| CN204212589U (en) * | 2014-09-30 | 2015-03-18 | 吴芷靖 | A kind of high sealability formula door is elevated self-closing hinge |
| CN206530184U (en) * | 2015-08-31 | 2017-09-29 | 赵芬 | A kind of high sealing formula door vapour-pressure type is self-positioning and self-closing hinge |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780743A (en) * | 2016-08-31 | 2018-03-09 | 赵芬 | High sealing formula door vapour-pressure type is self-positioning and self-closing hinge |
| CN109596284A (en) * | 2018-12-29 | 2019-04-09 | 黄晓亮 | A kind of pipe joint gas leak detection device |
| CN109596284B (en) * | 2018-12-29 | 2020-07-17 | 株洲金城燃气发展有限公司 | Pipeline joint gas leakage detection device |
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| CN106499285B (en) | 2024-04-09 |
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Effective date of registration: 20180928 Address after: 361000 unit 131, No. 131, No. two Jinfu Road, Xinmin Town, Tongan District, Xiamen, Fujian. Applicant after: Tongguan (Xiamen) Electronic Technology Co.,Ltd. Address before: 361000 A1409, Guan Yi Town, Jimei, Xiamen, Fujian. Applicant before: Zhao Fen |
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