CN2846663Y - Furniture damper - Google Patents
Furniture damper Download PDFInfo
- Publication number
- CN2846663Y CN2846663Y CN 200520120326 CN200520120326U CN2846663Y CN 2846663 Y CN2846663 Y CN 2846663Y CN 200520120326 CN200520120326 CN 200520120326 CN 200520120326 U CN200520120326 U CN 200520120326U CN 2846663 Y CN2846663 Y CN 2846663Y
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- damper
- hole
- piston rod
- piston
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Abstract
The utility model relates to a damper for furniture, which comprises a cylinder body and a piston rod, wherein one end of the piston rod is provided with a piston and a compression spring, and the other end of the piston rod is provided with a buffer head; the middle part of the piston rod is provided with a guide seat and a sealing piece; the piston of the piston rod is provided with an axial damping passage, and the inside of the damping passage is provided with a damping valve sheet for controlling the moving speed thereof; the damping passage comprises one to more than one through holes which are arranged on the piston and an annular groove communicated with the through holes; the damping valve sheet is provided with a concave position or a hole which is communicated with the groove. The utility model which has the advantages of reasonable structure and reliable seal can effectively prevent oil leakage; moreover, the opening speed and the closing speed are different, the opening speeding is higher than the closing speed; because a silencing head is installed on the utility model, the impacting sound can be effectively reduced. The utility model can be applied to a cabinet door, a hinge, a sliding rail for a drawer, etc. of furniture, and can reach a buffering effect at the time of the closure of the cabinet door, the hinge, the sliding rail for a drawer, etc. of furniture.
Description
Technical field
The utility model relates to a kind of damper, particularly a kind of damper that is mainly used in furniture door and drawer.
Background technology
At present, the air spring damper has all obtained using widely in all trades and professions, and the structure of air spring also in development gradually, from the fixedly air spring of damping that has originally, develops into the air spring of mild increase damping.As China Patent No. 200420002494.9 disclosed " variable damper structure support bar air spring ", it comprises: piston rod, skeleton, cylinder barrel, hydraulic oil, through flow hole, seal and piston; It is to offer one or one or more damping groove on inner surface of cylinder block, and to replace offering fixedly damping hole on the piston, the damping groove is along the piston rod direction of extension, and in increase place of needs damping, cross sectional area reduces gradually.It is said that this variable damper structure support bar air spring has several places to improve, damping increases gently, has improved service efficiency, has improved contamination resistance etc.This variable damper structure support bar air spring, though make damping increase gently, it is not too convenient to process, and switching speed is identical.In addition, general air spring is prone to the problem of gas leak of the oil leakage because structure is not too reasonable.
In real life, when particularly being used in daily life aspect such as furniture when the air spring damper, the user often wishes that furniture door and drawer can slowly close by damping after opening, and reduces bump sound.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, and sealing is reliable, prevents leakage of oil, and the speed that piston rod stretches out is greater than the speed that pushes back, and the subduction impact noise increases the service life, the domestic damper of applied range.
A kind of domestic damper by this purpose design, comprise cylinder body and piston rod, end at piston rod is provided with piston and compression spring, the other end of piston rod is provided with buffer head, the middle part of piston rod is provided with guide holder and seal, its architectural feature is that piston is provided with axial damp channel, is provided with the damper valve plate of its movement velocity of control in the damp channel; Damp channel comprises one or more through hole that is arranged on the piston, and is communicated with the annular groove of described through hole, and damper valve plate is provided with recess or the hole communicates with described groove.
Described piston is a column, and end central authorities are provided with blind hole, in order to fastening piston rod, and the peripheral uniform a plurality of through holes of blind hole; The other end of piston is provided with stepped hole, and the end face of inner bore of step and described through hole junction is provided with annular groove, and damper valve plate is arranged in the inner bore of step, can move by trace, and the uniform arc recess in damper valve plate edge communicates with annular groove; Step is provided with spring base in the outer hole; Described through hole, annular groove and arc recess form damp channel.
The uniform slotted eye of described spring base one end, relative with damper valve plate, the uniform guiding hock of the other end connects the compression spring; The quantity of described piston hole is 1-8, and the quantity of described damper valve plate arc recess is 1-9.
Described cylinder base is provided with boss, and in order to fixing compression spring, cylinder body entrance point inwall is provided with circumferential recess, in order to the fixed guide seat; The guide holder external diameter is provided with O-ring seals, and internal diameter is provided with V-arrangement or y-shaped ring; The piston rod of guide holder inboard is provided with the decompression stop collar that the cross section is a T shape, and stop collar is inserted among the column sponge oil storage ring.
Be filled with damping oil in the sealed cavity of described cylinder body; The outer end interlocking of buffer head has soft erase head.
The utility model is rational in infrastructure, and sealing is reliable, can effectively prevent leakage of oil, and folding speed difference, and opening speed is faster than closing speed.Because erase head has been installed, so bump sound can effectively reduce.Stop collar both can also make the damping oil decompression of leading to y-shaped ring, thereby reduce the frictional force that sealing ring bears the piston rod assembly axial limiting, increased the service life.It can be applicable to the positions such as cabinet door, hinge and drawer sliding rail of furniture, all can reach the buffering effect when closing.
Description of drawings
Fig. 1 is the utility model one embodiment decomposition texture schematic diagram.
Fig. 2 is the assembly structure schematic diagram of Fig. 1.
Fig. 3 (a) is an A place structure enlarged diagram among Fig. 2 (b), and dotted arrow is an airflow direction among the figure.
Fig. 4 is piston and damper valve plate assembly structure schematic diagram.
Fig. 5 (a) (b) (c) is two the orientation stereograms and the sectional view of piston.
Fig. 6 (a) (b) be damper valve plate front and perspective view.
Fig. 7 (a) is two orientation perspective view of spring base (b).
Fig. 8 is the decomposition texture schematic diagram of damper and hinge buffing pad.
Fig. 9 is hinge buffing pad and hinge assemblies structural representation.
Figure 10 (a) is two orientation perspective view of hinge buffing pad (b).
Figure 11 (a) is two orientation perspective view of positioning sleeve (b).
Figure 12 (a) is two orientation perspective view of buffer head (b).
Figure 13 is the decomposition texture schematic diagram of damper and drawer sliding rail buffing pad.
Figure 14 is the assembly structure schematic diagram of damper and drawer sliding rail buffing pad.
Figure 15 (a) is two orientation perspective view of drawer sliding rail buffing pad (b).
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1--Figure 7 shows that a kind of furniture door damper, comprise cylinder body 1 and piston rod 6, be provided with piston 5 and compression spring 2 at an end of piston rod, the middle part is provided with guide holder 9, and the other end is provided with buffer head 12.Cylinder body 1 bottom is provided with boss, and in order to fixing compression spring 2, cylinder body 1 entrance point inwall is provided with circumferential recess, in order to fixed guide seat 9; The guide holder external diameter is provided with O-ring seals 11, and internal diameter is provided with V-arrangement or y-shaped ring 10; The piston rod of guide holder 9 inboards is provided with the decompression stop collar 8 that the cross section is a T shape, and stop collar is inserted among the column sponge oil storage ring 7.Piston 5 is provided with axial damp channel, is provided with the damper valve plate 4 of its movement velocity of control in the damp channel.
Piston 5 is a column, and end central authorities are provided with blind hole 5.1, in order to fastening piston rod 6, and peripheral uniform five through holes 5.2 of blind hole; The other end of piston is provided with stepped hole, and inner bore of step 5.4 is provided with annular groove 5.3 with the end face of through hole 5.2 junctions, and annular groove is communicated with five through holes 5.2.Damper valve plate 4 is arranged in the inner bore of step 5.4, can move about 04.mm by trace.Uniform six the arc recess 4.1 in damper valve plate 4 edges communicate with annular groove 5.3; Step is provided with spring base 3 in the outer hole 5.5; Described through hole 5.2, annular groove 5.3 and arc recess 4.1 form damp channel.
The uniform slotted eye 3.2 of spring base 3 one ends, relative with damper valve plate, the uniform guiding hock 3.1 of the other end connects the compression spring.Be filled with damping oil in the sealed cavity of cylinder body 1.The outer end interlocking of buffer head 12 has soft erase head 13, and erase head has the pillar of back taper and interior ring to be clamped on the buffer head by the centre.
On doorframe, bore an aperture, this damper is placed the hole, can when closing, cushion control door-plate.
Its operating principle is shown in Fig. 2 and Fig. 3 (a), when being subjected to external force P impact, piston rod 6 assemblies move right, the oil pressure on piston 5 right sides is big, oil pressure is pushed damper valve plate 4 to the left side and piston inner bore of step 5.4 end faces and is developed and seal oily opening 5.2, oily stream can not be directly by the through hole 5.2 of piston, can only from the arc recess 4.1 of damper valve plate 4 and very little gap that annular groove 5.3 overlaps, (blacking part among Fig. 4) pass through, via through holes 5.2 is discharged, so piston rod 6 is pushed back at a slow speed.
Shown in Fig. 2 and Fig. 3 (b), after external force is cancelled, compressed spring 2 makes piston rod 6 assemblies to left movement, the oil pressure in piston 5 left sides is big, oil pressure is pushed damper valve plate 4 the right to and is opened oily opening 5.2, oil stream passes through the arc recess 4.1 of piston hole 5.2 and damper valve plate 4 fast, so piston rod 6 stretches out fast.
Fig. 8-Figure 12 shows that a kind of furniture door hinge damper comprises the buffing pad 20 that can fasten with hinge 24, and this is provided with hole 20.1 in order to place the cylinder body 1 of damper, and the edge is provided with hook and hinge fastening.Buffing pad 20 is the Y font, axially is provided with porosely 20.1, and the vent both sides are provided with colludes hole 20.3, and the damper end is provided with positioning sleeve 21, and the positioning sleeve both sides are provided with hook 21.1, insert described 20.3 location, hole of colluding; Hook 20.2 is arranged on the bifurcated two ends of Y font buffing pad 20; The buffer head 22 of piston rod one end is the high cap shape of flat.23 is that doorframe, 25 is door-plate among the figure.
Figure 13-Figure 15 shows that a kind of drawer sliding rail damper comprises the buffing pad 30 that fastens with drawer sliding rail, and this seat is provided with arc groove to place damper, and the bottom is provided with hook and is connected with slide rail.Buffing pad 30 is a strip, and arc groove 30.1 axially is set, and the cylinder body 1 of damper can slide in groove, and an end is provided with link stopper 30.2, is provided with blind hole 30.3 with fixed piston rod 6 outer ends in the middle of the link stopper; Two bottom sides is provided with four hooks 30.4.Present embodiment piston rod 6 is fixing, and cylinder body 1 slidably.
Claims (9)
1. domestic damper, comprise cylinder body (1) and piston rod (6), end at piston rod is provided with piston (5) and compression spring (2), the other end of piston rod is provided with buffer head (12), the middle part of piston rod is provided with guide holder (9) and seal, it is characterized in that piston is provided with axial damp channel, be provided with the damper valve plate (4) of its movement velocity of control in the damp channel; Damp channel comprises one or more through hole (5.2) that is arranged on the piston, and is communicated with the annular groove (5.3) of described through hole, and damper valve plate is provided with recess or the hole communicates with described groove.
2. domestic damper according to claim 1 is characterized in that described piston (5) is column, and end central authorities are provided with blind hole (5.1), in order to fastening piston rod, and the peripheral uniform a plurality of through holes of blind hole; The other end of piston is provided with stepped hole, and inner bore of step (5.4) is provided with annular groove with the end face of described through hole junction, and damper valve plate is arranged in the inner bore of step, can move by trace, and the uniform arc recess in damper valve plate edge (4.1) communicates with annular groove; Step is provided with spring base (3) in the outer hole (5.5); Described through hole, annular groove and arc recess form damp channel.
3. domestic damper according to claim 2 is characterized in that the described spring base uniform slotted eyes of (3) one ends (3.2), and is relative with damper valve plate, and the uniform guiding hock of the other end (3.1) connects the compression spring; The quantity of described piston hole is 1-8, and the quantity of described damper valve plate arc recess is 1-9.
4. domestic damper according to claim 1 is characterized in that described cylinder base is provided with boss, and in order to fixing compression spring, cylinder body entrance point inwall is provided with circumferential recess, in order to the fixed guide seat; The guide holder external diameter is provided with O-ring seals (11), and internal diameter is provided with V-arrangement or y-shaped ring (10); The piston rod of guide holder inboard is provided with the decompression stop collar (8) that the cross section is a T shape, and stop collar is inserted among the column sponge oil storage ring (7).
5. domestic damper according to claim 1 is characterized in that being filled with damping oil in the sealed cavity of described cylinder body; The outer end interlocking of buffer head has soft erase head (13).
6. domestic damper according to claim 2 is characterized in that described damper also comprises the buffing pad (20) that can fasten with hinge (24), and this seat is provided with hole (20.1) to place damper, and the edge is provided with hook (20.2) and hinge fastening.
7. domestic damper according to claim 6 is characterized in that buffing pad is the Y font, axially is provided with porose, the vent both sides are provided with colludes hole (20.3), the damper end is provided with positioning sleeve (21), and the positioning sleeve both sides are provided with hook (21.1), inserts the described location, hole of colluding; Hook is arranged on the bifurcated two ends of Y font buffing pad; The buffer head (22) of piston rod one end is the high cap shape of flat.
8. domestic damper according to claim 2 is characterized in that described damper also comprises the buffing pad (30) that fastens with drawer sliding rail, and this seat is provided with arc groove (30.1) to place damper, and the bottom is provided with hook (30.4) and is connected with slide rail.
9. domestic damper according to claim 8, it is characterized in that described buffing pad is a strip, arc groove axially is set, the cylinder body of damper can slide in groove, one end is provided with link stopper (30.2), is provided with blind hole (30.3) with the fixed piston rod outer end in the middle of the link stopper; Two bottom sides is provided with four hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120326 CN2846663Y (en) | 2005-12-20 | 2005-12-20 | Furniture damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520120326 CN2846663Y (en) | 2005-12-20 | 2005-12-20 | Furniture damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2846663Y true CN2846663Y (en) | 2006-12-13 |
Family
ID=37512084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520120326 Expired - Fee Related CN2846663Y (en) | 2005-12-20 | 2005-12-20 | Furniture damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2846663Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749348A (en) * | 2008-12-08 | 2010-06-23 | 江阴强顺科技有限公司 | Gas damping buffer with axial piston vent hole |
| CN101967925A (en) * | 2010-10-26 | 2011-02-09 | 伍志勇 | Furniture hinge damper structure |
| CN102037203A (en) * | 2008-05-19 | 2011-04-27 | 尤利乌斯·布卢姆有限公司 | Damping device for furniture components or furniture fitting components |
| WO2011100866A1 (en) * | 2010-02-11 | 2011-08-25 | 北京世博金属制品有限公司 | Continuously variable liquid damper |
| CN101538972B (en) * | 2009-04-10 | 2012-07-18 | 伍志勇 | Domestic damper |
| CN104068655A (en) * | 2014-06-03 | 2014-10-01 | 浙江科太厨房电器有限公司 | Drawer and cabinet connecting mechanism in cupboard |
| CN104648657A (en) * | 2013-11-22 | 2015-05-27 | 中国航空工业集团公司西安飞机设计研究所 | Vibration inhibition control surface provided with adjusting piece |
| CN104806104A (en) * | 2015-04-27 | 2015-07-29 | 陆智华 | Damping buffer device |
| CN105822170A (en) * | 2016-05-11 | 2016-08-03 | 伍志勇 | Hinge damping buffer structure |
| CN106910652A (en) * | 2017-03-22 | 2017-06-30 | 安徽富煌电控设备有限公司 | A kind of high-tension switch cabinet interlocking mechanism |
| CN107911978A (en) * | 2017-12-29 | 2018-04-13 | 昆山嘉玮泰传动科技有限公司 | Closed change torque rotary shaft and electronic equipment |
| CN108201230A (en) * | 2018-01-30 | 2018-06-26 | 黑龙江工业学院 | A kind of language teaching multimedia electrical teaching platform |
| CN108291419A (en) * | 2015-11-26 | 2018-07-17 | 马丁·齐默尔 | Cylinder-piston unit with compensation sealing element |
| CN108505865A (en) * | 2018-06-06 | 2018-09-07 | 四川大学 | A kind of shutdown damper |
-
2005
- 2005-12-20 CN CN 200520120326 patent/CN2846663Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037203B (en) * | 2008-05-19 | 2015-03-25 | 尤利乌斯·布卢姆有限公司 | Damping device for furniture components or furniture fitting components |
| CN102037203A (en) * | 2008-05-19 | 2011-04-27 | 尤利乌斯·布卢姆有限公司 | Damping device for furniture components or furniture fitting components |
| CN101749348A (en) * | 2008-12-08 | 2010-06-23 | 江阴强顺科技有限公司 | Gas damping buffer with axial piston vent hole |
| CN101749348B (en) * | 2008-12-08 | 2013-10-09 | 江阴市华宏强顺科技有限公司 | Gas damping buffer with axial piston vent hole |
| CN101538972B (en) * | 2009-04-10 | 2012-07-18 | 伍志勇 | Domestic damper |
| WO2011100866A1 (en) * | 2010-02-11 | 2011-08-25 | 北京世博金属制品有限公司 | Continuously variable liquid damper |
| CN101967925A (en) * | 2010-10-26 | 2011-02-09 | 伍志勇 | Furniture hinge damper structure |
| CN101967925B (en) * | 2010-10-26 | 2013-05-29 | 伍志勇 | Furniture hinge damper structure |
| CN104648657A (en) * | 2013-11-22 | 2015-05-27 | 中国航空工业集团公司西安飞机设计研究所 | Vibration inhibition control surface provided with adjusting piece |
| CN104068655A (en) * | 2014-06-03 | 2014-10-01 | 浙江科太厨房电器有限公司 | Drawer and cabinet connecting mechanism in cupboard |
| CN104806104A (en) * | 2015-04-27 | 2015-07-29 | 陆智华 | Damping buffer device |
| CN108291419A (en) * | 2015-11-26 | 2018-07-17 | 马丁·齐默尔 | Cylinder-piston unit with compensation sealing element |
| CN105822170A (en) * | 2016-05-11 | 2016-08-03 | 伍志勇 | Hinge damping buffer structure |
| CN106910652A (en) * | 2017-03-22 | 2017-06-30 | 安徽富煌电控设备有限公司 | A kind of high-tension switch cabinet interlocking mechanism |
| CN106910652B (en) * | 2017-03-22 | 2019-10-18 | 安徽富煌电力装备科技有限公司 | A kind of high-tension switch cabinet interlocking mechanism |
| CN107911978A (en) * | 2017-12-29 | 2018-04-13 | 昆山嘉玮泰传动科技有限公司 | Closed change torque rotary shaft and electronic equipment |
| CN107911978B (en) * | 2017-12-29 | 2024-04-05 | 昆山嘉玮泰传动科技有限公司 | Enclosed torsion-changing rotating shaft and electronic equipment |
| CN108201230A (en) * | 2018-01-30 | 2018-06-26 | 黑龙江工业学院 | A kind of language teaching multimedia electrical teaching platform |
| CN108505865A (en) * | 2018-06-06 | 2018-09-07 | 四川大学 | A kind of shutdown damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 Termination date: 20141220 |
|
| EXPY | Termination of patent right or utility model |