CN201027887Y - Furniture damper - Google Patents
Furniture damper Download PDFInfo
- Publication number
- CN201027887Y CN201027887Y CNU2007200511835U CN200720051183U CN201027887Y CN 201027887 Y CN201027887 Y CN 201027887Y CN U2007200511835 U CNU2007200511835 U CN U2007200511835U CN 200720051183 U CN200720051183 U CN 200720051183U CN 201027887 Y CN201027887 Y CN 201027887Y
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- CN
- China
- Prior art keywords
- piston
- hole
- damping
- oil
- mounting seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A furniture damper comprises a cylinder body and a piston rod, wherein, one end of the piston rod is provided with a piston and a compression spring, while the other end of the piston rod is provided with a buffer head; an axial damping through-hole is arranged on the piston which is provided with an opening cavity for the sliding of a valve sheet; the opening cavity is communicated with the damping through-hole covered with the valve sheet; the damping sheet is covered on the opening cavity; the outer wall of the piston is provided with an axial groove or gap. The inner side of the opening cavity is provided with more than one axial protruding rib corresponding to the concave parts arranged on the valve sheet; a first oil passing hole is arranged the valve sheet. More than one positioning rod is arranged at the end of one side of the opening cavity where the piston is; the damping sheet is covered on the positioning rod through a pilot hole sleeve; a second oil passing hole is arranged on the damping sheet. More than one limit protuberance is arranged at one side of the damping sheet facing the valve sheet. The utility model is of simple structure, low manufacturing cost, and provided with two kinds of damping passage including a fast one and a slow one, which can effectively prevent the collision when the drawer is being closed with more flexible operation.
Description
Technical field
The utility model relates to a kind of damper, the damper of particularly a kind of furniture door and drawer.
Background technique
I disclose a kind of domestic damper in Chinese patent literature CN2846663Y, comprise cylinder body and piston rod, end at piston rod is provided with piston and pressure spring, the other end of piston rod is provided with buffer head, the middle part of piston rod is provided with guide holder and Sealing, it is characterized in that piston is provided with axial damp channel, be 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.The damper folding speed difference of this structure, opening speed is faster than closing speed, and sealability is also reliable, but when its closing velocity is too fast, collision still might occur, is necessary further to improve and perfect.
The model utility content
Technical problem to be solved in the utility model be to provide a kind of simple and reasonable, fabricating cost is low, can effectively prevent to collide, the furniture damper of flexible operation, to overcome deficiency of the prior art.
The technical scheme in the invention for solving the above technical problem is: a kind of furniture damper, comprise cylinder body and piston rod, piston rod one end is provided with piston and pressure spring, its the other end is provided with buffer head, and piston is provided with axial damping through hole, and its structure characteristic is that piston is provided with the opening chamber for the valve block slippage, the opening chamber is connected with the damping through hole, the valve block lid is pressed on the damping through hole, and damping fin covers on the opening chamber, and piston outer wall is provided with axial groove or breach.
Above-mentioned atrium indoor side is provided with one and above axially prominent muscle, the corresponding therewith recess that is arranged on the valve block, and valve block is provided with first oil-through hole.
The end that above-mentioned piston is positioned at opening chamber one side is provided with one and above locating column, and damping fin is sheathed on it by pilot hole, and damping fin is provided with second oil-through hole.
Above-mentioned damping fin is provided with one and above restriction protrusion towards a side of valve block.
The end face that above-mentioned piston is positioned at opening chamber one side is provided with one and above projection, and damping fin is crimped on the projection; Piston outer wall is provided with more than one axial groove.
Be provided with spring mounting seat between above-mentioned piston and the pressure spring, the leg of spring mounting seat bottom is provided with positioning hole, and the locating column sleeve of pistons end is in positioning hole.
Above-mentioned spring mounting seat cross section is Y font, cross, * shape or Mi Zixing, and damping fin is crimped between spring mounting seat and the piston, and spring mounting seat central authorities are provided with the 3rd oil-through hole.
Above-mentioned cylinder body upper end is provided with end cap, the lower end is provided with end socket, the oil storage ring of end cap, seal ring, baffle ring and foam body is passed in the piston rod stage casing successively, wherein, be in the shape of the letter V or the seal ring of Y font is set in the groove on the end cap, the head sleeve of baffle ring that is convex shape in groove, be crimped on the seal ring, its base portion is resisted against the end cap edge, baffle ring is provided with the 4th oil-through hole, oil storage ring one end is crimped on the baffle ring base portion, the other end is resisted against on the step of inboard wall of cylinder block, and end socket is convex shape.
The utility model is because the end face of sound-absorptive head is the arc sphere, and it is provided with reticulate pattern, when itself and drawer wooden partition collide, can farthest carry out buffered, reduces noise greatly.Spring mounting seat, damping fin and piston link together, and can effectively prevent damping fin generation slippage, guarantee that damper is reliable.
The utility model is simple and reasonable, fabricating cost is low, is provided with at a slow speed and quick two kinds of damping oil passages, can effectively prevent to bump when drawer from closing, operate more flexible.
Description of drawings
Fig. 1 is the utility model one embodiment's decomposition texture schematic representation.
Fig. 2 is the sectional structure schematic representation after the utility model assembling.
Fig. 3 is the decomposition structure for amplifying schematic representation of spring mounting seat, damping fin, valve block and piston.
Fig. 4 is an A place structure for amplifying schematic representation among Fig. 2.
Fig. 5-Fig. 6 is the three-dimensional structure for amplifying schematic representation of two different amount of baffle ring.
Fig. 7 looks the structure for amplifying schematic representation for the master of piston.
Fig. 8 is the plan structure schematic representation of Fig. 7.
Fig. 9 is the backsight structural representation of Fig. 7.
Figure 10-Figure 11 is the three-dimensional structure for amplifying schematic representation of two different amount of piston.
Figure 12 is the B-B sectional structure schematic representation of Fig. 9.
Figure 13 is the three-dimensional structure for amplifying schematic representation of valve block.
Figure 14-Figure 15 is the three-dimensional structure for amplifying schematic representation of two different amount of damping fin.
Figure 16 is the three-dimensional structure for amplifying schematic representation of spring mounting seat.
Figure 17 is the three-dimensional structure for amplifying schematic representation of end cap.
Figure 18 analyses and observe the structure for amplifying schematic representation for end cap.
Figure 19 is the three-dimensional structure for amplifying schematic representation of sound-absorptive head.
Figure 20 is the three-dimensional structure for amplifying schematic representation of end socket.
When Figure 21 is slow closing drawers, the working state structure for amplifying schematic representation of damper.
When Figure 22 is the scram drawer, the working state structure for amplifying schematic representation of damper.
Figure 23 when opening drawer, the working state structure for amplifying schematic representation of damper.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Among the figure: 1 is cylinder body, and 1.1 is step, and 2 is end cap, 2.1 be groove, 3 is the O RunddichtringO, 4 is the seal ring of V font or Y font, 5 is baffle ring, and 5.1 is head, and 5.2 is the 4th oil-through hole, 6 are the oil storage ring, and 7 is piston rod, and 8 is piston, 8.1 be the piston rod installing blind, 8.2 is axial damping through hole, 8.3 is axial groove, 8.4 be the opening chamber, 8.5 is axially prominent muscle, 8.6 is locating column, 8.7 be projection, 9 is valve block, 9.1 is first oil-through hole, 9.2 be recess, 10 is damping fin, 10.1 is pilot hole, 10.2 restriction protrusion, 10.3 is second oil-through hole, and 11 is spring mounting seat, 11.1 be leg, 11.2 is positioning hole, 11.3 is the 3rd oil-through hole, 12 is pressure spring, and 13 is end socket, and 14 is buffer head, 15 is sound-absorptive head, and 16 is the O RunddichtringO.
Referring to Fig. 1-Fig. 3, this furniture damper, comprise cylinder body 1 and piston rod 7, cylinder body 1 upper end is provided with end cap 2, and the lower end is provided with end socket 13, piston rod 7 one ends are provided with buffer head 14, be embedded with sound-absorptive head 15 on the buffer head, the end face of sound-absorptive head is the arc sphere, and it is provided with reticulate pattern, see Figure 19, end cap 2 is passed in piston rod 7 stage casings successively, seal ring 4, the oil storage ring 6 of baffle ring 5 and foam body wherein, is in the shape of the letter V or the seal ring 4 of Y font is set in the groove 2.1 on the end cap 2, see Figure 17, head 5.1 sleeves of baffle ring 5 that are convex shape are in groove 2.1, and its base portion is resisted against the end cap edge, and hoop is evenly equipped with three the 4th oil-through holes 5.2 on the baffle ring 5, see Fig. 5-Fig. 6, oil storage ring 6 one ends are crimped on baffle ring 5 base portions, and the other end is resisted against on the step 1.1 of cylinder body 1 inwall, sees Fig. 4, end socket 13 is convex shape, is installed on cylinder body 1 end.
The piston rod the other end is provided with piston 8 and pressure spring 12, piston 8 outer walls are provided with axial groove 8.3, uniform four the axial damping through holes 8.2 of piston 8 central authorities, piston is provided with the opening chamber 8.4 for 9 slippages of elasticity valve block, the opening chamber is connected with damping through hole 8.2, the valve block lid is pressed on the damping through hole, the atrium indoor side is provided with four axially prominent muscle 8.5, see Fig. 7-Figure 12, corresponding therewith four recess 9.2 that are arranged on the valve block 9, valve block central authorities are provided with first oil-through hole 9.1, see Figure 13.Piston 8 is positioned on the end face of opening chamber 8.4 1 sides and is symmetrically arranged with four projections 8.7, and piston also is provided with two locating columns 8.6 in this end, and damping fin 10 is set on the locating column by pilot hole 10.1, pushes down on the projection and covers on the opening chamber.Recess between axial groove 8.3 and the projection joins.Damping fin 10 is provided with four restriction protrusion 10.2 towards a side of valve block 9.Damping fin is provided with second oil-through hole 10.3, sees Figure 14.
Be provided with spring mounting seat 11 between piston 8 and the pressure spring 12, spring mounting seat 11 cross sections are Y font, cross, * shape or Mi Zixing, the leg 11.1 of spring mounting seat bottom is provided with positioning hole 11.2, and locating column 8.6 sleeves of pistons end are in positioning hole.Damping fin 10 is crimped between spring mounting seat and the piston 8, and spring mounting seat central authorities are provided with the 3rd oil-through hole 11.3, see Figure 16.
When slow closing drawers, see Figure 21, promote piston rod along the arrow C direction, the valve block lid is pressed on the axial damping through hole 8.2, the elastic damping sheet is stressed smaller, does not deform or micro-deformation takes place, and also is unlikely to cover to press the recess between two projections 8.7 on the piston, at this moment, the damping oil in the cylinder body slowly flows along arrow D and E direction.
When energetically, during the scram drawer, see Figure 22, valve block still covers and is pressed on the axial damping through hole, at this moment, the elastic damping sheet deforms to lid and is pressed on the piston on the recess between two projections 8.7, with the blocked path of piston by oil extraction around the mediad, damping oil then can only flow along arrow D direction, piston rod is forced to reduce movement velocity, and the closing velocity of drawer is lowered, and closes gently at last.
When pulling the drawer out, see Figure 23, valve block is slippage to the right, exposes by the axial damping through hole of its covering, and damping oil just flows along arrow H, G and I direction, and speed compares comparatively fast.In order to prevent that valve block from sliding onto the oil drain passage that stops up piston opening chamber and periphery, prevent that just valve block from sliding onto the prominence of pistons end, stop up the recess between the two adjacent projections, be provided with restriction protrusion in damping fin, unobstructed to guarantee oil circuit.
According to the specific design needs, but axially prominent muscle 8.5, recess 9.2, the 3rd oil-through hole 11.3, the 4th oil-through hole 5.2 and pressure spring 12 equal partial cancellation or cancel alls in the utility model.
Claims (9)
1. furniture damper, comprise cylinder body (1) and piston rod (7), piston rod one end is provided with piston (8) and pressure spring (12), its the other end is provided with buffer head (14), piston is provided with axial damping through hole (8.2), it is characterized in that described piston is provided with the opening chamber (8.4) for valve block (9) slippage, the opening chamber is connected with the damping through hole, the valve block lid is pressed on the damping through hole, damping fin (10) covers on the opening chamber, and piston outer wall is provided with axial groove (8.3) or breach.
2. furniture damper according to claim 1, it is characterized in that described opening chamber (8.4) inboard is provided with one and above axially prominent muscle (8.5), the corresponding therewith recess (9.2) that is arranged on the elastic valve plate (9), valve block is provided with first oil-through hole (9.1).
3. furniture damper according to claim 1, it is characterized in that the end that described piston (8) is positioned at opening chamber (8.4) one sides is provided with one and above locating column (8.6), damping fin (10) is sheathed on it by pilot hole (10.1), and damping fin is provided with second oil-through hole (10.3).
4. according to claim 1 or 3 described furniture dampers, it is characterized in that described damping fin (10) is provided with one and above restriction protrusion (10.2) towards a side of valve block (9).
5. furniture damper according to claim 1 is characterized in that the end face that described piston (8) is positioned at opening chamber (8.4) one sides is provided with one and above projection (8.7), and damping fin (10) is crimped on the projection; Piston outer wall is provided with more than one axial groove (8.3).
6. furniture damper according to claim 1, it is characterized in that being provided with spring mounting seat (11) between described piston (8) and the pressure spring (12), the leg (11.1) of spring mounting seat bottom is provided with positioning hole (11.2), and the locating column of pistons end (8.6) sleeve is in positioning hole.
7. furniture damper according to claim 6, it is characterized in that described spring mounting seat (11) cross section is Y font, cross, * shape or Mi Zixing, damping fin (10) is crimped between spring mounting seat and the piston (8), and spring mounting seat central authorities are provided with the 3rd oil-through hole (11.3).
8. furniture damper according to claim 1 is characterized in that being embedded with sound-absorptive head (15) on the described buffer head (14), and the end face of sound-absorptive head is the arc sphere, and it is provided with reticulate pattern.
9. furniture damper according to claim 1, it is characterized in that described cylinder body (1) upper end is provided with end cap (2), the lower end is provided with end socket (13), end cap is passed in piston rod (7) stage casing successively, seal ring (4), the oil storage ring (6) of baffle ring (5) and foam body, wherein, be in the shape of the letter V or the seal ring of Y font is set in the groove (2.1) on the end cap, head (5.1) sleeve that is the baffle ring of convex shape is in groove, its base portion is resisted against the end cap edge, baffle ring is provided with the 4th oil-through hole (5.2), oil storage ring one end is crimped on the baffle ring base portion, and the other end is resisted against on the step (1.1) of cylinder body (1) inwall, and end socket is convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200511835U CN201027887Y (en) | 2007-04-28 | 2007-04-28 | Furniture damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200511835U CN201027887Y (en) | 2007-04-28 | 2007-04-28 | Furniture damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201027887Y true CN201027887Y (en) | 2008-02-27 |
Family
ID=39132097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200511835U Expired - Fee Related CN201027887Y (en) | 2007-04-28 | 2007-04-28 | Furniture damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201027887Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023602A (en) * | 2016-01-29 | 2017-08-08 | 苏斯帕有限公司 | Gas pressure spring |
-
2007
- 2007-04-28 CN CNU2007200511835U patent/CN201027887Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023602A (en) * | 2016-01-29 | 2017-08-08 | 苏斯帕有限公司 | Gas pressure spring |
| US10557515B2 (en) | 2016-01-29 | 2020-02-11 | Suspa Gmbh | Gas pressure spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shunde Foshan Huatai Metal Product Co., Ltd. Assignor: Wu Zhiyong Contract record no.: 2010440000185 Denomination of utility model: Furniture damper Granted publication date: 20080227 License type: Exclusive License Record date: 20100128 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20140428 |