CN103726730B - A kind of large aperture door buffer hinge - Google Patents
A kind of large aperture door buffer hinge Download PDFInfo
- Publication number
- CN103726730B CN103726730B CN201410017568.4A CN201410017568A CN103726730B CN 103726730 B CN103726730 B CN 103726730B CN 201410017568 A CN201410017568 A CN 201410017568A CN 103726730 B CN103726730 B CN 103726730B
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- China
- Prior art keywords
- connecting rod
- linking arm
- damper
- large aperture
- damping device
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- 238000013016 damping Methods 0.000 claims abstract description 31
- 239000002436 steel type Substances 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000011176 pooling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- QEIQEORTEYHSJH-UHFFFAOYSA-N Armin Natural products C1=CC(=O)OC2=C(O)C(OCC(CCO)C)=CC=C21 QEIQEORTEYHSJH-UHFFFAOYSA-N 0.000 description 1
- 101100079104 Schizosaccharomyces pombe (strain 972 / ATCC 24843) arm1 gene Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/006—Braking devices, e.g. checks; Stops; Buffers for hinges having a cup-shaped fixing part, e.g. for attachment to cabinets or furniture
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
- E05D3/16—Hinges with pins with two or more pins with seven parallel pins and four arms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/21—Brakes
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/262—Type of motion, e.g. braking
- E05Y2201/264—Type of motion, e.g. braking linear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hinges (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The present invention is a kind of large aperture door buffer hinge, comprise holder, linking arm, link assembly, sliding seat and self-replaced type damper, linking arm is connected with holder, described link assembly comprises first connecting rod, second connecting rod, third connecting rod and the 4th connecting rod, wherein one end of first connecting rod and third connecting rod is hinged with middle part and the front end of linking arm respectively, the other end of first connecting rod and third connecting rod is hinged with one end of second connecting rod and the 4th connecting rod respectively, the other end of second connecting rod and the 4th connecting rod is hinged with sliding seat respectively, the middle part of second connecting rod is also hinged with the middle part of third connecting rod, damper is arranged on linking arm, and third connecting rod can drive damper. in the time that sliding seat is rocked to the angle of setting along the direction of closing the door, third connecting rod starts to drive damper, and due to the damping action of damper, the speed that sliding seat is drawn close toward furniture main body is slack-off, reach cushioning effect, avoid Men Tiyu furniture main body that powerful collision occurs.
Description
Technical field
The present invention is a kind of hinge, the large aperture door buffer hinge that particularly a kind of furniture door is used.
Background technology
At present, furniture industry, in the time manufacturing furniture, generally makes to be hinged cabinet door, and this hinge is provided with spring dressPut, while making switch gate, with thrust, having removed hinge-type door hinge in the past from needs magnetic or the fixing trouble of latch, uses veryConvenient. Its deficiency is the screen resilience effect due to spring, in the collision that door and cabinet can occur at closing time, and generation sound, evenBreak putting bad or frangible article in cabinet, therefore, on market, produced the hinge with pooling feature. Existing furniture bandThe damper of pooling feature hinge has two kinds: one is Automatic-reset damper, and its piston rod has one all the time toward overhangingThe force spending. Suppose that the cylinder body of damper fixes, in the time of external force that piston rod is subject to it to push away toward in, produce buffering, resist external forceImpact; In the time that external force is withdrawn, piston rod again can auto-extending. Another kind is non-Automatic-reset damper, its piston rodMotion need external force drive, when pulled or promote external force time, piston rod produce buffering; In the time that external force is withdrawn, piston rodStop at current location, can not automatically restore to original state.
Chinese Patent Application No. 201010520335.8 and 201010139381.3 discloses a kind of pooling feature that hasHinge, hinge comprises holder, linking arm, Automatic-reset damper, link assembly and sliding seat; Linking arm and holder connectConnect, and swung and be connected with sliding seat by link assembly, its linking arm is channel steel type, and damper is arranged on the inner chamber of linking armIn, the piston rod of damper stretches out towards sliding seat direction, and at closing time, when furniture door plate is when also poor low-angle is closed, sliding seat is recessedChamber inner bottom surface and damper rod collision, the masterpiece that damper starts closing the door goes out opposing, forms buffering. Above-mentioned this structureBuffer hinge, because damper rod is outside exposed, not only not attractive in appearance, and be to swing and touch at closing time by sliding seatHit damper rod and realize buffering, when buffering, sliding seat can produce certain radial load to piston rod, and this radial load is to pistonBar and buffering effect can produce adverse influence, therefore, in order to reduce the radial load of sliding seat to piston rod, need to be to piston rodAnd there is certain requirement at the transmission position between sliding seat, also needs to ensure the rigidity of piston rod, causes the structure of hinge comparativelyComplicated.
Summary of the invention
The object of the invention is to propose one for above-mentioned problem simple in structure, cushion reliable, effective large aperture doorBuffer hinge.
In order to achieve the above object, the technical scheme that the present invention takes: a kind of large aperture door buffer hinge, comprises fixingSeat, linking arm, link assembly, sliding seat and self-replaced type damper, linking arm is connected with holder, and sliding seat is passed through connection rod setPart and linking arm swing, and described link assembly comprises first connecting rod, second connecting rod, third connecting rod and the 4th connecting rod, and wherein firstOne end of connecting rod and third connecting rod is hinged with middle part and the front end of linking arm respectively, and the other end of first connecting rod and third connecting rod dividesOne end other and second connecting rod and the 4th connecting rod is hinged, and the other end of second connecting rod and the 4th connecting rod is hinged with sliding seat respectively,The middle part of second connecting rod is also hinged with the middle part of third connecting rod, and damper is arranged on linking arm, and third connecting rod can drive resistanceBuddhist nun's device.
In such scheme, in the time that door body drives sliding seat to be rocked to the angle of setting along the direction of closing the door, third connecting rod startsDrive damper, due to the damping action of damper, the speed that sliding seat is drawn close toward furniture main body is slack-off gradually, until doorBody is closed completely, reaches cushioning effect, avoids Men Tiyu furniture main body that powerful collision occurs, and in the time beating opening door body, damper leavesBeginning automatically resets, and in order to close the door next time, buffering is prepared.
Above-mentioned linking arm is provided with damping device in the installation site of corresponding damper, and damper is arranged on damping device, dampingThe piston rod of device contacts with damping device is static, and the cylinder body relative damping seat that third connecting rod can promote damper moves. Close the door to establishingWhile determining angle, the cylinder body relative damping seat that third connecting rod starts to promote damper moves, and realizes the buffering of closing the door.
Above-mentioned damping device offers holddown groove in the outer end position of the piston rod of corresponding damper, the piston rod of damperOuter end inserts in holddown groove. This programme can make that damper is stable to be arranged on damping device, and is convenient to the location of damper.
Above-mentioned linking arm is channel steel type, and damper is placed in the inner chamber of linking arm, and damping device and linking arm two side companyConnect. Damper is placed in the inner chamber of linking arm, avoids damper easily to come off on the one hand, and another program can improve U.S. of hingeThe property seen.
For the ease of dismounting, hinge hole and linking arm two side that above-mentioned damping device passes on damping device by bearing pin connectConnect.
The position that above-mentioned third connecting rod promotes the cylinder body of damper is drive division, what the cylinder body of damper can be with third connecting rodThe position of drive division contact is inclined-plane, and inclined-plane is arranged at the position that the cylinder body of damper is contacted with drive division, thereby ensures to driveThe cylinder body that moving portion can promote damper smoothly moves.
Above-mentioned third connecting rod is provided with spring base, and the 4th connecting rod is provided with connector, between spring base and connector, is provided with bulletSpring. Spring can make hinge in the stability of state position of opening the door or close the door, simultaneously also for hinge is opening the door or close the door in processActive force is provided.
Above-mentioned spring is placed on spring base, and one end of spring contacts with spring base, between the other end and connector of springBe provided with contact, connector energy and contact, at closing time, connector produces compression stress by contact to spring.
In order to reduce connector and contact friction generation noise, above-mentioned contact is that elastomeric material is made.
For the ease of the relative position of adjustment doors body and furniture main body, between above-mentioned linking arm and holder, be also provided with and be connectedSeat, linking arm can move relative to Connection Block, and Connection Block and holder join, and the top of described linking arm is by screw and regulate silkJoin with Connection Block.
The present invention draws close to linking arm direction of living in the process of closing the door by the third connecting rod in link assembly, utilizesThe cylinder body that the drive division of three connecting rods promotes damper moves, and realizes the buffering of closing the door, and while opening the door, third connecting rod is away from the cylinder of damperBody, damper automatically resets. Due in the time closing the door buffering, the third connecting rod in link assembly is the cylinder body that directly promotes damperMobile and realize pooling feature, piston rod is not almost to be subject to radial load, and cylinder body is to slide on damping device, and therefore cylinder body is subject to theThe radial load function influence of three connecting rods is less. Hinge cushion of the present invention is relatively simple for structure, and reliable transmission.
Brief description of the drawings
Fig. 1 is that the axle of hinge of the present invention measures intention.
Fig. 2 is the open mode figure of hinge of the present invention while opening the door.
Fig. 3 is hinge of the present invention collapse state figure at closing time.
Fig. 4 is the explosive view of hinge of the present invention.
Fig. 5 is that hinge of the present invention starts buffer status figure.
Buffer status figure when Fig. 6 is hinge closure of the present invention.
Fig. 7 is Buffer Unit structural representation in hinge of the present invention.
Fig. 8 is Buffer Unit structure explosive view in hinge of the present invention.
Fig. 9 is the damping device structure chart of hinge of the present invention.
Figure 10 is the damper structure figure of hinge of the present invention.
Figure 11 is the third connecting rod structure chart of hinge of the present invention.
Figure 12 is the spring seat structure figure of hinge of the present invention.
Figure 13 is the state diagram of hinge of the present invention Buffer Unit while opening.
Figure 14 is the Buffer Unit state diagram of hinge of the present invention will cushion time.
Figure 15 is the Buffer Unit state diagram in hinge cushion of the present invention.
Figure 16 is the Buffer Unit state diagram of hinge cushion of the present invention while finishing.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further detailed explanation. Wherein accompanying drawing is only for exemplary theoryBright, can not be interpreted as the restriction to this patent; For better explanation the following example, some parts of accompanying drawing have omission, amplifyOr dwindle, do not represent the size of actual product; To those skilled in the art, some known features and saying in accompanying drawingBright may omission is understandable.
Embodiment 1
The structure of large aperture door buffer hinge of the present invention, as shown in Fig. 1,2,3,4,7,8, comprises holder 17, linking arm1, link assembly, sliding seat 14 and self-replaced type damper 6, wherein linking arm 1 is connected with holder 17, and link assembly comprisesOne connecting rod 5, second connecting rod 7, third connecting rod 8, the 4th connecting rod 13, spring base 9, connector 12, spring 10, wherein first connecting rod 5Hinged with middle part and the front end of linking arm 1 respectively with one end of third connecting rod 8, the other end of first connecting rod 5 and third connecting rod 8 dividesNot and one end of second connecting rod 7 and the 4th connecting rod 13 hinged, the other end of second connecting rod 7 and the 4th connecting rod 13 respectively with sliding seat14 is hinged, and the middle part of second connecting rod 7 is also hinged with the middle part of third connecting rod 8, and damper 6 is arranged on linking arm 1, linking arm 1Be provided with damping device 18 in the installation site of corresponding damper 6, damper 6 is arranged on damping device 18 upper surfaces, the piston of damper 6Bar 61 is positioned at the side near holder 17, and the cylinder body 62 of damper 6 is positioned at the side near sliding seat 14, damping device 18 upperBoth sides, surface are provided with projection 182, and projection 182 can be spacing to the both sides of cylinder body 62, and the upper surface of damping device 18 is at corresponding cylinder body62 tail end is provided with spacing preiection 183, and spacing preiection 183 can be spacing to the afterbody of cylinder body 62, as shown in Figure 9, and piston rod 61Outer end contact with damping device 18 is static, the cylinder body 62 of damper 6 at the power interaction energy that is subject to pointing to holder 17 1 sides in resistanceOn Buddhist nun's seat 18, move to holder 17 directions, in the present embodiment, linking arm 1 is channel steel type, damper 6 be placed in linking arm 1 inIn chamber, and damping device 18 is connected with linking arm 1 two side through the hinge hole on damping device 18 by bearing pin 19, as Fig. 7,8Show. Spring base 9 is arranged on third connecting rod 8, and connector 12 is arranged on the 4th connecting rod 13, and spring 10 is arranged on spring base 9,As shown in figure 12, the end position of the corresponding spring 10 of spring base 9 is provided with convex closure 91, and convex closure 91 plays the limit of the end to spring 10Position, the both sides of spring base 9 are provided with projection 92, projection 92 plays the both sides of spring 10 spacing, and spring 10 be positioned at spring base 9 withBetween connector 12, at closing time, connector 12 can compress spring 10, when close the door to set angle a time, third connecting rod8 meetings contact and promote cylinder body 62 with cylinder body 62 afterbodys of damper 6 moves to holder 17 directions, as shown in Figure 5,6.
The position that above-mentioned third connecting rod 8 promotes the cylinder body 62 of damper 6 is drive division 81, cylinder body 62 afterbodys of damper 6Top be inclined-plane 621, as shown in Figure 10,11. When close the door to set angle a time, drive division 81 meetings and the cylinder of third connecting rod 8The inclined-plane 621 of body 62 contacts, and along with the angle of closing the door is more and more less, it is larger that third connecting rod 8 promotes the distance that cylinder body 62 moves, straightConnect door-plate and close completely, cylinder body 62 just stops mobile.
The hinge operation principle of the present embodiment, as shown in Fig. 5,6, Figure 13 to 16, holder 17 and the furniture main body of hinge21 connect, and sliding seat 14 is connected with furniture door plate 20. In the time that furniture door plate 20 closes to the bumper angle a of setting, third connecting rod 8Drive division 81 contact with the inclined-plane 621 of cylinder body 62, damper 6 starts masterpiece to closing the door and goes out opposing, forms buffering. Work as furnitureWhen door-plate 20 continues to rotate to the direction of closing the door, third connecting rod 8 promotes cylinder body 62 and moves to holder 17 directions, until furniture door plate20 close completely, and cylinder body 62 just stops mobile; In the time opening furniture door plate 20, cylinder body 62 automatically resets, and is the buffering of closing the door next timePrepare.
Embodiment 2
The structure of the large aperture door buffer hinge of the present embodiment is similar to Example 1, its difference, above-mentioned corresponding company of spring 10One end of fitting 12 is provided with contact 11, and contact 11 is between connector 12 and spring 10, and at closing time, connector 12 is by promotingContact 11 and Compress Spring 10, in this enforcement, produce noises in order to reduce connector 12 with contact 11 frictions, and contact 11 is preferably adoptedMake with elastomeric material. In addition, in order to make, damper 6 is stable to be arranged on damping device 18, and is convenient to the location of damper 6,Damping device 18 offers holddown groove 181 in the outer end position of the piston rod 61 of corresponding damper 6, the piston rod 61 of damper 6Outer end inserts in holddown groove 181.
Between linking arm 1 described above and holder 17, be also provided with Connection Block 3, linking arm 1 can move relative to Connection Block 3,And the top of linking arm 1 is by screw 2 and regulate silk 4 and Connection Block 3 to join, and Connection Block 3 is connected with holder 17. Loosening screw2, the linking arm 1 that can left or move right, rotation regulates silk 4, can realize the distance that changes linking arm 1 and Connection Block 3, therebyBe convenient to regulate the relative position of door-plate 20 and furniture main body 21.
The corresponding same or analogous parts of same or analogous label in above-described embodiment; Position relationship is described in accompanying drawingFor only for exemplary illustration, can not be interpreted as the restriction to this patent; Obviously, the above embodiment of the present invention be only forExample of the present invention is clearly described, and is not the restriction to embodiments of the present invention. General for affiliated fieldLogical technical staff, can also make other changes in different forms on the basis of the above description. Here withoutAlso cannot give exhaustive to all embodiments. All any amendments of doing within the spirit and principles in the present invention, be equal toReplacement and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (9)
1. a large aperture door buffer hinge, comprises holder, linking arm, link assembly, sliding seat and self-replaced type damper,Linking arm is connected with holder, and sliding seat swings by link assembly and linking arm, and described link assembly comprises first connecting rod, theTwo connecting rods, third connecting rod and the 4th connecting rod, wherein one end of first connecting rod and third connecting rod respectively with the middle part of linking arm and frontHold hingedly, the other end of first connecting rod and third connecting rod is hinged with one end of second connecting rod and the 4th connecting rod respectively, second connecting rodHinged with sliding seat respectively with the other end of the 4th connecting rod, the middle part of second connecting rod is also hinged with the middle part of third connecting rod, dampingDevice is arranged on linking arm, and third connecting rod can drive damper, it is characterized in that, described linking arm is in the peace of corresponding damperHolding position is provided with damping device, and damper is arranged on damping device, and the piston rod of damper contacts with damping device is static, third connecting rodThe cylinder body relative damping seat that can promote damper moves.
2. large aperture door buffer hinge according to claim 1, is characterized in that, described damping device is at corresponding damperThe outer end position of piston rod offers holddown groove, and the outer end of the piston rod of damper inserts in holddown groove.
3. large aperture door buffer hinge according to claim 1, is characterized in that, described linking arm is channel steel type, dampingDevice is placed in the inner chamber of linking arm, and damping device is connected with linking arm two side.
4. large aperture door buffer hinge according to claim 3, is characterized in that, described damping device passes resistance by bearing pinHinge hole on Buddhist nun's seat is connected with linking arm two side.
5. according to the large aperture door buffer hinge described in claim 1 to 4 any one, it is characterized in that, described third connecting rod pushes awayThe position of the cylinder body of dynamic damping device is drive division, and the position that the cylinder body of damper can contact with the drive division of third connecting rod is for obliqueFace.
6. according to the large aperture door buffer hinge described in claim 1 to 4 any one, it is characterized in that, on described third connecting rodBe provided with spring base, the 4th connecting rod is provided with connector, between spring base and connector, is provided with spring.
7. large aperture door buffer hinge according to claim 6, is characterized in that, described spring is placed on spring base, bulletOne end of spring contacts with spring base, between the other end of spring and connector, is provided with contact, connector energy and contact.
8. large aperture door buffer hinge according to claim 7, is characterized in that, described contact is that elastomeric material is made.
9. according to the large aperture door buffer hinge described in claim 1 to 4 any one, it is characterized in that, described linking arm is with solidBetween reservation, be also provided with Connection Block, linking arm can move relative to Connection Block, and Connection Block and holder join, the top of described linking armPortion is by screw and regulate silk and Connection Block to join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017568.4A CN103726730B (en) | 2014-01-15 | 2014-01-15 | A kind of large aperture door buffer hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017568.4A CN103726730B (en) | 2014-01-15 | 2014-01-15 | A kind of large aperture door buffer hinge |
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| Publication Number | Publication Date |
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| CN103726730A CN103726730A (en) | 2014-04-16 |
| CN103726730B true CN103726730B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410017568.4A Active CN103726730B (en) | 2014-01-15 | 2014-01-15 | A kind of large aperture door buffer hinge |
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| Country | Link |
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| CN (1) | CN103726730B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019001957A1 (en) * | 2017-06-29 | 2019-01-03 | Hettich-Oni Gmbh & Co. Kg | Hinge and method for opening and closing a hinge |
| IT201800004919A1 (en) * | 2018-04-27 | 2019-10-27 | Decelerated furniture hinge. |
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| CN204782466U (en) * | 2015-07-18 | 2015-11-18 | 唐善培 | Can cushion four connecting rod doors hinge from closing |
| CN105672800B (en) * | 2016-03-10 | 2017-06-16 | 伍志勇 | The damping buffering closing structure of hinge for furniture |
| CN105822170A (en) * | 2016-05-11 | 2016-08-03 | 伍志勇 | Hinge damping buffer structure |
| DE102017114477A1 (en) | 2017-06-29 | 2019-01-03 | Hettich-Oni Gmbh & Co. Kg | hinge |
| WO2019196246A1 (en) * | 2018-04-08 | 2019-10-17 | 广东金利祥兴五金精密制造有限公司 | Buffering hinge |
| CN109538094A (en) * | 2019-01-04 | 2019-03-29 | 张栎 | A kind of automatic charging delay door gear |
| CN110259308A (en) * | 2019-07-24 | 2019-09-20 | 王豪雄 | Damp hinge and door body opening-closing structure |
| CN110528991B (en) * | 2019-10-10 | 2024-04-26 | 佛山市天斯五金有限公司 | Buffering hinge for large opening door |
| WO2023272780A1 (en) * | 2021-07-02 | 2023-01-05 | 吴腾庆 | Damping hinge |
| CN115898179A (en) * | 2021-07-16 | 2023-04-04 | 箭牌家居集团股份有限公司 | Buffering safety automatic door closing hinge |
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| CN103726730A (en) | 2014-04-16 |
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