CN206329667U - Adjustable-damping shock absorber - Google Patents
Adjustable-damping shock absorber Download PDFInfo
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- CN206329667U CN206329667U CN201621459856.6U CN201621459856U CN206329667U CN 206329667 U CN206329667 U CN 206329667U CN 201621459856 U CN201621459856 U CN 201621459856U CN 206329667 U CN206329667 U CN 206329667U
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Abstract
The utility model is related to absorber technical field, and there is provided a kind of adjustable-damping shock absorber.It includes dashpot, and dashpot, which includes being provided with piston, piston in cylinder body, cylinder body, is provided with piston rod, and cylinder body is provided with the regulating valve connected with plunger shaft；Wherein, piston rod includes being provided with regulating valve stem in hollow piston rod, hollow piston rod；Regulating valve includes being provided with valve pocket in valve seat, valve seat；Valve pocket installation cavity one end open is used to load valve pocket, and the valve pocket installation cavity other end is provided with the first flow being in communication with the outside, and valve pocket installation cavity side is provided with the second flow channel being in communication with the outside；Valve rod is provided with the middle part of valve pocket, sleeve side wall is provided with oil-through hole；Valve rod protrudes from positioned at end described in valve pocket installation cavity and spanner is provided with valve pocket and protuberance；The end that valve rod is located at the other end described in valve pocket installation cavity is provided with shaft orientation flowing channel of the opening towards first flow vertically, and the side-walls of shaft orientation flowing channel correspondence oil-through hole are provided with radial flow path.The utility model is simple in construction, is easy to manufacture to assemble.
Description
Technical field
The utility model is related to absorber technical field, specifically, is related to a kind of adjustable-damping shock absorber.
Background technology
In vehicular field, in order to accelerate the vibration between vehicle frame and vehicle body to decay, to improve the ride performance of vehicle, generally
Need to set shock absorber at car body.For adjustable-damping shock absorber, it generally includes an oil cylinder, and oil cylinder is generally comprised
Cylinder body, the piston rod for being arranged on cylinder interior and the regulating valve for being arranged on cylinder base, by piston rod or regulating valve
The size for the throttle orifice that place passes through to fluid is adjusted, you can preferably realize damping regulation.
As shown in figure 1, being currently used for the piston rod of adjustable-damping shock absorber includes hollow piston rod 1, hollow piston
The inside of bar 1 is provided with valve rod 2, and the one end of hollow piston rod 1 is provided with regulation handle 4 provided with the other end of oil inlet 3, and valve rod 2 passes through a pressure
Contracting spring 5 coordinates with oil inlet 3, by turning regulation handle 4, you can the elastic force of regulation compression spring 5, and then changes valve rod 2
With the gap length between oil inlet 3, and then can realize damping it is adjustable.Although the existing piston rod scope of application is wider,
Requirement to machining accuracy is higher, once breaking down, scrap cost is higher, and bar footpath demand also larger general bar footpath >=
20mm。
As shown in Fig. 2 being the schematic diagram of the regulating valve in existing adjustable-damping shock absorber.Wherein, in the work of shock absorber
Stopper rod reciprocatory movement, fluid can be flowed into or from by the triangle inclined hole b of valve element a ends, and because valve element a is by one
Individual spring is pressed at valve seat c oil guiding hole d, therefore passes through the adjusting knob e at turn valve element a, you can preferably to three
Valve opening area at the inclined hole b of angle is adjusted, so as to realize the damping regulation of shock absorber.Although this kind design can reach
The purpose of damping gear regulation, but be due to fit dimension between Spool assembly and valve seat c machining accuracy is higher and complex structure,
Therefore cost is higher, assembly difficulty is big and scrappage is higher.
Based on above-mentioned, adjustable-damping shock absorber generally existing complex structure of the prior art, manufacturing cost it is higher and
The problem of more difficult assembling.
Utility model content
Content of the present utility model is to provide a kind of adjustable-damping shock absorber, its can overcome prior art certain or
Some defects.
According to adjustable-damping shock absorber of the present utility model, it includes dashpot, and dashpot includes cylinder body, cylinder body
Interior be provided with piston, piston is provided with piston rod, and cylinder body is provided with the regulating valve connected with plunger shaft；Wherein,
Piston rod includes being provided with valve rod mounting hole, valve rod peace axially through ground in the middle part of hollow piston rod, hollow piston rod
Fill and regulating valve stem is provided with hole；Hollow piston rod one end is connected with bobbin seat, and the hollow piston rod other end is connected with a valve system
Bar is connected；The stroke hole connected at bobbin seat provided with the cooperation slotted eye stretched into for regulating valve stem and with cooperation slotted eye, stroke hole
Place is provided with the driving lever being connected with regulating valve stem, and driving lever is used to drive regulating valve stem to rotate；Being provided with valve system connecting rod is used to assemble
The pilot hole of hollow piston rod, the side wall and bottom wall of pilot hole with hollow piston rod close fit；Also edge at valve system connecting rod
It is axially arranged with the fuel feed hole connected with pilot hole, the end of regulating valve stem is provided with the first oil circuit coordinated with fuel feed hole vertically
Passage, the side-walls of regulating valve stem are radially provided with the second asphalt channel connected with the first asphalt channel；Hollow piston rod pair
Answer and the first oil outlet is provided with the second asphalt channel, be configured to out oil pocket at pilot hole the first oil outlet of correspondence, go out at oil pocket and set
There is the second oil outlet being in communication with the outside；
Regulating valve, which includes being provided with valve pocket installation cavity, valve pocket installation cavity in valve seat, valve seat, is provided with valve pocket；Valve pocket installation cavity one
End opening is used to load valve pocket, and the valve pocket installation cavity other end is provided with the first flow being in communication with the outside, and valve pocket installation cavity side is set
There is the second flow channel being in communication with the outside；It is provided with valve rod installation cavity, sleeve side wall and is communicated with axially through ground in the middle part of valve pocket
The oil-through hole of second flow channel and valve rod installation cavity；Inserted with valve rod in valve rod installation cavity, valve rod is located at one described in valve pocket installation cavity
Protruded from end and spanner is provided with valve pocket and protuberance；Valve rod is set vertically positioned at the end of the other end described in valve pocket installation cavity
There is shaft orientation flowing channel of the opening towards first flow, the side-walls of shaft orientation flowing channel correspondence oil-through hole are additionally provided with radial flow path.
In the utility model, fluid can be by the fuel feed hole at valve system connecting rod, successively through the first asphalt channel, second
Asphalt channel, the first oil outlet and go out after oil pocket, flowed out at the second oil outlet.In the process, driven by stirring driving lever
Regulating valve stem is rotated, and enables to the second asphalt channel to be rotated relative to the first oil outlet；When the second asphalt channel with
When first oil outlet staggers completely, the second asphalt channel is blocked completely, and now damping value is maximum；When the second asphalt channel is complete
When at the first oil outlet, now damping value is minimum.By such a structure, can not only realize the electrodeless regulation of damping from
And preferably overcome the problem of existing piston rod has pause and transition in rhythm or melody sense in gearshift, and structure is relatively simple consequently facilitating processing.Separately
Outside, because the utility model has abandoned existing spring structure, so that the bar footpath of hollow piston rod can accomplish smaller, energy
Enough it is less than 13mm.
In the utility model, during the piston rod of shock absorber is moved back and forth, fluid can be from first flow, axial direction
Runner, radial flow path, oil-through hole and second flow channel are flowed into or from, and radial flow path and oil-through hole can be adjusted by rotating spanner
Between relative position, so as to by the regulation to radial flow path and the overlapping area size of oil-through hole, and realize damping value
Regulation.Constructed by this kind, the electrodeless regulation of damping value can not only be realized and then improve the comfortableness during regulation, and
And the requirement to machining accuracy is relatively low and simple in construction, so that manufacturing cost and assembly difficulty are greatly reduced, and energy
Reach demolition and maintenance and then durability is also preferable.
Preferably, being provided with star-like circle between regulating valve stem and hollow piston rod.So as to preferably lift regulating valve stem
Sealing between hollow piston rod.
Preferably, being radially provided with driving lever mounting hole at regulating valve stem, driving lever passes through driving lever mounting hole and regulating valve stem
Connection.Driving lever is connected by driving lever mounting hole with regulating valve stem.Consequently facilitating the connection of driving lever and regulating valve stem.
Gag lever post is provided with preferably, being also radially provided with valve rod in gag lever post mounting hole, gag lever post mounting hole；It is spacing
Bar is stretched out in provided with the spacing throw of lever mouthful at gag lever post mounting hole, valve pocket, and the spacing throw of lever mouthful is used to coordinate to limit with gag lever post
Determine the rotational angle of valve rod and at least ensure that radial flow path can be in complete opening state and state of entirely shutting in rotation process
Between carry out transition.So that user can preferably carry out damping regulation.
Preferably, being provided with least one first sealing ring between valve pocket and valve pocket installation cavity.So as to preferably improve valve
Sealing between set and valve pocket installation cavity.
Preferably, being provided with the second sealing ring between valve rod and valve rod installation cavity.So as to preferably improve valve rod and valve rod
Sealing between installation cavity.
Preferably, valve pocket lateral wall is provided with fastener hole, valve seat correspondence fastener hole radially provided with fastening screw；Fastening
Trip bolt is provided with screw, trip bolt is stretched into fastener hole.So as to preferably realize being fixedly connected for valve pocket and valve base chamber.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing piston rod；
Fig. 2 is the schematic diagram of existing regulating valve；
Fig. 3 be embodiment 1 in dashpot schematic diagram
Fig. 4 be embodiment 1 in piston rod schematic diagram；
Fig. 5 be embodiment 1 in regulating valve schematic diagram；
Fig. 6 be embodiment 1 in valve core structure schematic diagram；
Fig. 7 is the A-A diagrammatic cross-sections in Fig. 6；
B-B diagrammatic cross-sections when Fig. 8 entirely shuts for radial flow path in Fig. 6；
Fig. 9 is the B-B diagrammatic cross-sections in Fig. 6 when radial flow path is opened completely；
C-C diagrammatic cross-sections when Figure 10 entirely shuts for radial flow path in Fig. 6；
Figure 11 is the C-C diagrammatic cross-sections in Fig. 6 when radial flow path is opened completely.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
It should be appreciated that embodiment be only the utility model is explained and and it is non-limiting.
Embodiment 1
As shown in figure 3, present embodiments providing a kind of adjustable-damping shock absorber, it includes dashpot 10, damping oil
Cylinder 10, which includes being provided with piston 12, piston 12 in cylinder body 11, cylinder body 11, is provided with piston rod 13, and cylinder body 11 is provided with and connected with plunger shaft
Regulating valve 14.
As shown in figure 4, the piston rod 13 in the present embodiment is included in the middle part of hollow piston rod 210, hollow piston rod 210 along axle
Regulating valve stem 220 is provided with to being penetratingly provided with valve rod mounting hole, valve rod mounting hole；The one end of hollow piston rod 210 and a bobbin
Seat 230 is connected, and the other end of hollow piston rod 210 is connected with a valve system connecting rod 240.
It is provided with what is be used for the cooperation slotted eye 231 stretched into of regulating valve stem 220 and connected with cooperation slotted eye 231 at bobbin seat 230
Provided with the driving lever 250 being connected with regulating valve stem 220 at stroke hole 232, stroke hole 232, driving lever 250 is used to drive regulating valve stem
220 rotate.
Being provided with valve system connecting rod 240 is used to assembling the pilot hole 241 of hollow piston rod 210, the side wall of pilot hole 241 and
Bottom wall with the close fit of hollow piston rod 210；Also it is provided with and entering that pilot hole 241 is connected vertically at valve system connecting rod 240
Oilhole 242, the end of regulating valve stem 220 is provided with the first asphalt channel 221 coordinated with fuel feed hole 242, regulating valve vertically
The side-walls of bar 220 are radially provided with the second asphalt channel 222 connected with the first asphalt channel 221.
The first oil outlet 211, the correspondence of pilot hole 241 first are provided with the second asphalt channel 222 of correspondence of hollow piston rod 210
Oil pocket 243 is configured to out at oil outlet 211, is gone out at oil pocket 243 provided with the second oil outlet 244 being in communication with the outside.
In the present embodiment, provided with 2 star-like circles 260 between regulating valve stem 220 and hollow piston rod 210, at regulating valve stem 220
Driving lever mounting hole is radially provided with, driving lever 250 is threadedly coupled by driving lever mounting hole with regulating valve stem 220.
As shown in figure 5, regulating valve 14 includes being provided with valve pocket installation cavity, valve pocket installation cavity in valve seat 410, valve seat 410
It is interior to be provided with valve pocket 420；Valve pocket installation cavity one end open is used to load valve pocket 420, and the valve pocket installation cavity other end is provided with the external world even
Logical first flow 411, valve pocket installation cavity side is provided with the second flow channel 412 being in communication with the outside；The middle part of valve pocket 420 is passed through vertically
It is provided with valve rod installation cavity with wearing, the side-walls of valve pocket 420 are communicated with the oil-through hole 421 of second flow channel 412 and valve rod installation cavity；Valve
Inserted with valve rod 430 in bar installation cavity, valve rod 430 protrudes from valve pocket 420 and protuberance positioned at end described in valve pocket installation cavity
Place is provided with spanner 440；Valve rod 430 is located at the end of the other end described in valve pocket installation cavity vertically provided with opening towards first-class
The shaft orientation flowing channel 431 in road 411, the side-walls of the correspondence oil-through hole 421 of shaft orientation flowing channel 431 are additionally provided with radial flow path 432.
Also radially it is provided with gag lever post mounting hole 433, gag lever post mounting hole 433 and is provided with the present embodiment, at valve rod 430
Gag lever post 450；Gag lever post 450 is stretched out at gag lever post mounting hole 433, valve pocket 420 provided with the spacing throw of lever mouthful 422, gag lever post
Stroke mouthful 422 is used to coordinate with gag lever post 450 rotational angle to limit valve rod 430 and at least ensures radial flow in rotation process
Road 432 can carry out transition between complete opening state and state of entirely shutting.
In the present embodiment, at least one first sealing ring 423, valve rod 430 and valve are provided between valve pocket 420 and valve pocket installation cavity
The second sealing ring 434 is provided between bar installation cavity.
In the present embodiment, the lateral wall of valve pocket 420 is provided with fastener hole 424, the correspondence fastener hole 424 of valve seat 410 and radially set
There is fastening screw 413；Fasten and trip bolt 460 is provided with screw 413, trip bolt 460 is stretched into fastener hole 424.
As shown in fig. 6, the one end of valve rod 430 protrudes from valve pocket 420 to form spanner portions 430a, the lateral wall of valve pocket 420 edge week
To provided with least one the first seal groove 510, the first seal groove 510 is used to install sealing ring；The lateral wall of valve rod 430 is circumferentially set
There is the second seal groove 520, the second seal groove 520, which is used to install, is provided with fastener hole 424 at sealing ring, the lateral wall of valve pocket 420.
As shown in fig. 7, to be configured to cross section shaft-like for regular hexagon by spanner portions 430a, so as to preferably with spanner
440 are coordinated.
In the present embodiment, by rotating spanner portion 430a, it can adjust overlapping between radial flow path 432 and oil-through hole 421
Area, so as to preferably realize the regulation of damping value；And during regulation, pass through gag lever post 450 and the spacing throw of lever mouthful
422 cooperation, preferably can be defined to the rotational angle of valve rod 430.
In the present embodiment：As rotating spanner portion 430a so that when gag lever post 450 is in the position shown in Fig. 8, radial flow
Relative position between road 432 and oil-through hole 421 as shown in Figure 10, now entirely shut, so that damping value is most by radial flow path 432
Greatly, shock absorber is in most hard state；When as rotating spanner portion 430a so that when gag lever post 450 is in the position shown in Fig. 9,
Relative position between radial flow path 432 and oil-through hole 421 as shown in figure 11, now open completely, so as to damp by radial flow path 432
Value is minimum, and shock absorber is in most soft state.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (5)
1. adjustable-damping shock absorber, including dashpot (10), dashpot (10) include setting in cylinder body (11), cylinder body (11)
There is piston (12), piston (12) place is provided with piston rod (13), and cylinder body (11) is provided with the regulating valve (14) connected with plunger shaft；It is special
Levy and be：
Piston rod (13) includes installing provided with valve rod axially through ground in the middle part of hollow piston rod (210), hollow piston rod (210)
Regulating valve stem (220) is provided with hole, valve rod mounting hole；Hollow piston rod (210) one end is connected with bobbin seat (230), hollow
Piston rod (210) other end is connected with a valve system connecting rod (240)；Bobbin seat (230) place is provided with stretches for regulating valve stem (220)
The cooperation slotted eye (231) entered and the stroke hole (232) connected with cooperation slotted eye (231), stroke hole (232) place is provided with and regulating valve
The driving lever (250) of bar (220) connection, driving lever (250) is used to drive regulating valve stem (220) to rotate；Valve system connecting rod (240) place is set
Have for assembling the pilot holes (241) of hollow piston rod (210), the side wall and bottom wall of pilot hole (241) are and hollow piston rod
(210) close fit；Also vertically provided with the fuel feed hole (242) connected with pilot hole (241), adjust at valve system connecting rod (240) place
The end for saving valve rod (220) is provided with the first asphalt channel (221) coordinated with fuel feed hole (242), regulating valve stem vertically
(220) side-walls are radially provided with the second asphalt channel (222) connected with the first asphalt channel (221)；Hollow piston rod
(210) correspondence the second asphalt channel (222) place is provided with the first oil outlet (211), pilot hole (241) the first oil outlet of correspondence
(211) place is configured to out oil pocket (243), goes out oil pocket (243) place and is provided with the second oil outlet (244) being in communication with the outside；
Regulating valve (14), which includes being provided with valve pocket installation cavity, valve pocket installation cavity in valve seat (410), valve seat (410), is provided with valve pocket
(420)；Valve pocket installation cavity one end open is used to load valve pocket (420), and the valve pocket installation cavity other end is provided with the be in communication with the outside
One runner (411), valve pocket installation cavity side is provided with the second flow channel (412) being in communication with the outside；Passed through vertically in the middle part of valve pocket (420)
It is provided with valve rod installation cavity with wearing, valve pocket (420) side-walls are communicated with the oil-through hole of second flow channel (412) and valve rod installation cavity
(421)；Inserted with valve rod (430) in valve rod installation cavity, valve rod (430) protrudes from valve pocket positioned at end described in valve pocket installation cavity
(420) and at protuberance it is provided with spanner (440)；Valve rod (430) is located at the end of the other end described in valve pocket installation cavity vertically
Provided with opening towards first flow (411) shaft orientation flowing channel (431), shaft orientation flowing channel (431) correspondence oil-through hole (421) side-walls
It is additionally provided with radial flow path (432).
2. adjustable-damping shock absorber according to claim 1, it is characterised in that：Regulating valve stem (220) and hollow piston
Provided with star-like circle (260) between bar (210).
3. adjustable-damping shock absorber according to claim 1, it is characterised in that：Regulating valve stem (220) place is radially set
There is driving lever mounting hole, driving lever (250) is connected by driving lever mounting hole with regulating valve stem (220).
4. adjustable-damping shock absorber according to claim 1, it is characterised in that：Valve rod (430) place is also radially provided with
Gag lever post (450) is provided with gag lever post mounting hole (433), gag lever post mounting hole (433)；Gag lever post (450) stretches out in gag lever post
Mounting hole (433), valve pocket (420) place is used for and gag lever post provided with the spacing throw of lever mouthful (422), the spacing throw of lever mouthful (422)
(450) coordinate the rotational angle to limit valve rod (430) and at least ensure that radial flow path (432) can be complete in rotation process
Transition is carried out between opening state and state of entirely shutting.
5. adjustable-damping shock absorber according to claim 1, it is characterised in that：Valve pocket (420) lateral wall is provided with fastening
Hole (424), valve seat (410) correspondence fastener hole (424) place is radially provided with fastening screw (413)；It is provided with fastening screw (413)
Trip bolt (460), trip bolt (460) is stretched into fastener hole (424).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459856.6U CN206329667U (en) | 2016-12-29 | 2016-12-29 | Adjustable-damping shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459856.6U CN206329667U (en) | 2016-12-29 | 2016-12-29 | Adjustable-damping shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329667U true CN206329667U (en) | 2017-07-14 |
Family
ID=59293339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459856.6U Active CN206329667U (en) | 2016-12-29 | 2016-12-29 | Adjustable-damping shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206329667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145565A (en) * | 2019-06-28 | 2019-08-20 | 杭州金士顿实业有限公司 | The seat damper of damping-force adjustable |
-
2016
- 2016-12-29 CN CN201621459856.6U patent/CN206329667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145565A (en) * | 2019-06-28 | 2019-08-20 | 杭州金士顿实业有限公司 | The seat damper of damping-force adjustable |
| CN110145565B (en) * | 2019-06-28 | 2023-09-29 | 杭州金士顿实业有限公司 | Damping force adjustable seat damper |
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