CN207961378U - A kind of more valve block bidirectional throttle formula damping mechanisms and hydraulic shock-absorption piston - Google Patents
A kind of more valve block bidirectional throttle formula damping mechanisms and hydraulic shock-absorption piston Download PDFInfo
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- CN207961378U CN207961378U CN201820251672.3U CN201820251672U CN207961378U CN 207961378 U CN207961378 U CN 207961378U CN 201820251672 U CN201820251672 U CN 201820251672U CN 207961378 U CN207961378 U CN 207961378U
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- restriction portion
- partition board
- throttling channel
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Abstract
A kind of more valve block bidirectional throttle formula damping mechanisms and hydraulic shock-absorption piston, belong to automobile shock technical field.It is characterized in that：In damping mechanism ontology（5）Center at be provided with the inner cavity axially penetrated through, in the lumen be equipped with guiding axis（6）, in guiding axis（6）On offer throttling channel（2）, in damping mechanism ontology（5）Both ends be respectively arranged with the valve block moved towards by different directions hydraulic pressure（3）, valve block（3）With throttling channel（2）The circulation passage of hydraulic oil is cooperatively formed, the circulation area of circulation passage is sequentially reduced along valve block by the direction of hydraulic moving, is additionally provided with the elastic component that driving valve block resets after by hydraulic moving in the lumen.By the way that valve block and throttling channel is arranged, the circulation area that circulation passage may be implemented after valve block is pressurized movement is gradually reduced, therefore is avoided damping mechanism ontology and instantaneously significantly moved, and limitation is played to damping effect.
Description
Technical field
A kind of more valve block bidirectional throttle formula damping mechanisms and hydraulic shock-absorption piston, belong to automobile shock technical field.
Background technology
Hydraulic shock-absorption is a kind of common damping modes of automotive field.In the output end and ontology point of automobile hydraulic shock-damping device
Shock absorber piston An Zhuan not be typically provided in automobile absorber, when automobile is in driving process on vehicle body and wheel set
In when there is vertical tremor, piston moves back and forth in piston cylinder, valve block mechanism is provided in piston, therefore work as piston reciprocating
When movement, the hydraulic oil positioned at piston both sides can back and forth flow through work with the direction opposite with piston by the flowing hole on piston
Plug, to play cushioning effect.
In the prior art, the movement speed of piston is directly proportional to the vibration amplitude degree of automobile in automobile absorber, i.e.,
The vibration amplitude of automobile is bigger, and the speed of reciprocating motion of the pistons is faster, and the speed for the piston that hydraulic oil flows through is also faster.However vapour
Vehicle will appear the case where vibrations mutation in the process of moving, as wheel touches larger barrier or wheel precepitates into hole
In, when the above situation occurs, become larger rapidly in the spacing short time between vehicle body and wheel set, therefore in this case
Piston still carries out damping adjusting according to the shock conditions of vehicle body, then is easy to will appear the spacing between wheel set and vehicle body
Suddenly change and so that automobile is damaged, in the prior art, by electric-control system may be implemented the pressure short time variation very
The effect that the flow of hydraulic oil is controlled when big, but electric-control system price is costly and control process is complex.
Therefore designing one kind, flow will slowly increase after pressure increases to certain value or flow remains unchanged, the vapour even reduced
Vehicle hydraulic damper becomes current urgent problem to be solved.
Invention content
The technical problems to be solved in the utility model is：It overcomes the deficiencies of the prior art and provide a kind of by the way that valve block is arranged
And throttling channel, the circulation area that circulation passage may be implemented after valve block is pressurized movement is gradually reduced, therefore avoids damping
Mechanism body instantaneously significantly moves, and the more valve block bidirectional throttle formula damping mechanisms and hydraulic shock-absorption of limitation are played to damping effect
Piston.
Technical solution adopted by the utility model to solve its technical problems is：More valve block bidirectional throttle formula damping machines
Structure, including damping mechanism ontology that hydraulic oil flows through, it is characterised in that：Axial pass through is provided at the center of damping mechanism ontology
The inner cavity worn, it is axial in the lumen to be provided with guiding axis, guiding axis outer cover equipped with sliding axially along guiding axis after being pressurized and
The opposite at least two panels valve block of glide direction；
Throttling channel corresponding with valve block is offered on the outer wall of guiding axis, valve block cooperatively forms hydraulic pressure with throttling channel
The circulation passage of oil, the circulation area of circulation passage are sequentially reduced by the direction that hydraulic pressure slides along valve block, are also set in the lumen
It is equipped with the elastic component that driving valve block resets after by hydraulic moving.
Preferably, the elastic component is set in the outer ring of guiding axis；
The elastic component is the tower spring of uniform external diameter variation；
The elastic component is that coefficient of elasticity is different and multiple springs of head and the tail connection, by spring insert between adjacent springs
Into between-line spacing；
Or be multiple springs that coefficient of elasticity is different and height is different, multiple springs are arranged successively.
Preferably, the valve block is located at the two-port of the damping mechanism ontology, in damping mechanism ontology
Partition board is provided at center, elastic component is located on the inside of the valve block of both sides between partition board, and flowing hole is offered on partition board,
The two-port of damping mechanism ontology goes out the baffle for being additionally provided with and being blocked to both sides valve block.
Preferably, partition board is provided at the center of the damping mechanism ontology, the valve block is located at the two of partition board
Side partition board goes out to be provided with end cap in the two-port of damping mechanism ontology, and elastic component is located between both sides valve block and end cap,
Flowing hole is offered on end cap.
Preferably, the partition board is annular shape, and guiding axis is passed through from partition board centre bore, set on the two sides of partition board
It is equipped with protrusion, partition board is made to be arranged with valve block interval.
Preferably, throttling channel is opened in along the axial direction of guiding axis on the outer wall of guiding axis, and throttling channel includes interconnecting
Flow equalization section and restriction portion, wherein flow equalization section are the inside and outside groove for waiting depth, and restriction portion is the domatic groove that depth is sequentially reduced, and is flowed
Section extends inwardly to the inner end of valve block from the outer end of valve block, and restriction portion continues to extend internally from the inner end of flow equalization section, and restriction portion
Depth is sequentially reduced from the outside to the core.
Preferably, throttling channel is opened in along the axial direction of guiding axis on the outer wall of guiding axis, and throttling channel includes equal at center
Section and the restriction portion positioned at flow equalization section both sides are flowed, wherein flow equalization section is the inside and outside groove for waiting depth, and restriction portion is that depth subtracts successively
Small domatic groove, flow equalization section are opened between the outer end face of both sides valve block, restriction portion respectively from the outer end of both sides valve block towards
It is extended outside the outside of respective end, and depth is sequentially reduced restriction portion from inside to outside.
Preferably, throttling channel is opened in along the axial direction of guiding axis on the outer wall of guiding axis, and throttling channel includes interconnecting
Flow equalization section and restriction portion, restriction portion and flow equalization section are the deep groove such as inside and outside, and restriction portion is multisection type, the conducting quantity of restriction portion
It reduces successively from outside to inside.
Preferably, throttling channel is opened in along the axial direction of guiding axis on the outer wall of guiding axis, and throttling channel includes equal at center
Section and the restriction portion positioned at flow equalization section both sides are flowed, restriction portion and flow equalization section are the deep groove such as inside and outside, and restriction portion is multisection type,
The conducting quantity of restriction portion is reduced successively from inside to outside.
A kind of hydraulic shock-absorption piston, it is characterised in that：Damping mechanism body exterior is provided with piston rod, piston rod with lead
It is arranged concentrically to axis.
Compared with prior art, advantageous effect possessed by the utility model is：
1, it in this more valve block bidirectional throttle formula damping mechanism, by the way that valve block and throttling channel is arranged, is moved when valve block is pressurized
The circulation area that circulation passage may be implemented after dynamic is gradually reduced, therefore is avoided damping mechanism ontology and instantaneously significantly moved,
Therefore it avoids damping mechanism ontology instantaneously significantly to move, restriction effect is played to damping effect.
2, since throttling channel and valve block cooperation are installed, throttle is immediately entered after valve block once motion, therefore
It is more rapid for the reaction of hydraulic pressure.
3, by the way that guiding axis is arranged, in order to which valve block smoothly slides in respective damping cavity.
4, by the way that spring limiting part is arranged, it is ensured that tower spring is not in displacement during compression or release.
5, several flowing holes are offered in the junction of partition board and damping mechanism ontology, two resistances is realized by flowing hole
The connection of Buddhist nun's chamber.
6, by the way that tower spring is arranged, it can realize that valve block is resetted after valve block is subjected to displacement by hydraulic pressure.
7, positioning is realized by the valve block being arranged in two damping cavities of partition board pair, it is possible to prevente effectively from two valve blocks are close to
And it is moved to the other side.
Although 8, throttling channel being opened on the inner wall of damping mechanism ontology with valve block to coordinate and realizing throttling,
Throttling channel is opened on guiding axis, the difficulty of mechanical processing substantially reduces, and has saved Costco Wholesale to a certain extent.
Description of the drawings
Fig. 1 is more 1 structural schematic diagrams of valve block bidirectional throttle formula damping mechanism embodiment.
Fig. 2 is A-A sectional views in Fig. 1.
Fig. 3 is Fig. 1 left views.
Fig. 4 is more 2 structural schematic diagrams of valve block bidirectional throttle formula damping mechanism embodiment.
Fig. 5 is more 3 structural schematic diagrams of valve block bidirectional throttle formula damping mechanism embodiment.
Fig. 6 is more 4 structural schematic diagrams of valve block bidirectional throttle formula damping mechanism embodiment.
Fig. 7 is more 5 structural schematic diagrams of valve block bidirectional throttle formula damping mechanism embodiment.
Fig. 8 is more 6 structural schematic diagrams of valve block bidirectional throttle formula damping mechanism embodiment.
Fig. 9 is B-B sectional views in Fig. 1.
Figure 10 is Fig. 8 left views.
Wherein：1, baffle 2, throttling channel 3, valve block 4, tower spring 5, damping mechanism ontology 6, guiding axis 7, flowing hole
8, partition board 9, spring limiting part 10, the first spring 11, second spring 12, spring insert 13, end cap.
Specific implementation mode
Fig. 1 ~ 3 are the most preferred embodiments of the utility model, and 1 ~ 10 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
Embodiment 1：
As shown in Fig. 1 ~ 3, a kind of more valve block bidirectional throttle formula damping mechanisms, including damping mechanism ontology 5, damping mechanism sheet
Body 5 is cylindrical shape, the inner cavity axially penetrated through is internally provided in damping mechanism ontology 5, in 5 inner cavity of damping mechanism ontology
Circular partition board 8 is provided at the heart, partition board 8 will be divided into left and right two damping cavities between the inner cavity of damping mechanism ontology 5, in partition board 8
Several flowing holes 7 are offered with the junction of damping mechanism ontology 5, damping mechanism ontology 5 left and right two is realized by flowing hole 7
The connection of a damping cavity.
The guiding axis 6 axially penetrated through is additionally provided in the inner cavity of damping mechanism ontology 5, guiding axis 6 is fixed on partition board 8
At center, a tower spring 4 is separately installed in the damping cavity of 8 both sides of partition board, the outside of tower spring 4 is also respectively provided in both sides
One valve block 3, the tower spring 4 and valve block 3 of 8 both sides of partition board are set in the outer ring of guiding axis 6, by the way that guiding axis 6 is arranged, in order to
Valve block 3 smoothly slides in respective damping cavity, at the two-port of damping mechanism ontology 5 be provided with polylith baffle 1, lead to
Setting baffle 1 is crossed, valve block 3 is prevented to be ejected under the elastic force of tower spring 4.
Any one end of 6 self-damping mechanism body 5 of guiding axis, which is drawn, is used as piston rod, or in the outer of damping mechanism ontology 5
End setting and the coaxially connected piston rod of guiding axis 6, piston rod drive damping mechanism ontology 5 to move, and are formed double based on more valve blocks
To the hydraulic shock-absorption piston of throttle type damping mechanism.
At least one throttling channel 2 is both provided on the outer wall at 6 both ends of guiding axis, the throttling channel 2 of both sides is in respective resistance
Axial ecto-entad in Buddhist nun's chamber along guiding axis 6 opens up, and 2 ecto-entad of throttling channel includes the front and back flow equalization section being connected to and throttling
Section, wherein flow equalization section are inside and outside equal deep groove, and restriction portion is domatic groove shallow in outer depth, flow equalization section self- steering axis 6 it is outer
End extends inwardly at the inner face of valve block 3, and restriction portion continues to prolong to 5 inner end of damping mechanism ontology from the inner face of valve block 3
It stretches and depth is sequentially reduced.
Valve block 3 coordinates with throttling channel 2 flows in or out damping mechanism sheet in the both ends of damping mechanism ontology 5 formation hydraulic oil
The circulation passage of body 5, cooperation are opened in the flowing hole 7 of partition board 8 and the junction of damping mechanism ontology 5, form hydraulic pressure oil stream
Logical normal open channel.When the oil pressure of hydraulic oil is smaller, fluid is via the normal open passage flow, when oil pressure is larger, compression one
The valve block 3 of side is along guiding axis 6 to 5 medial movement of damping mechanism ontology, and valve block 3 coordinates with the restriction portion in throttling channel 2, by throttling
The flow equalization section of section is gradually moved to its restriction portion until completely closing, and realizes the throttling action to hydraulic oil.
It is respectively arranged with two groups of spring limiting parts 9 on the two sides of partition board 8, is located at two groups of bullets of 8 arbitrary side of partition board
Spring locating part 9 is located on two circumference of different-diameter, and tower spring 4 is positioned between two groups of 9 internal and external partitions of spring limiting part formation
In gap, as shown in Figure 2.Pass through and spring limiting part 9 is set, it is ensured that tower spring 4 is not in during compression or release
Displacement.Monoblock type or segmented can be used in any one group of spring limiting part 9 positioned at 8 both sides of partition board.
Specific work process and operation principle are as follows：
This more valve block bidirectional throttle formula damping mechanism is mounted in automobile absorber oil circuit, when automobile shakes, vehicle
Body and wheel set relatively move, and hydraulic oil moves back and forth by damping mechanism ontology 5 in oil circuit.In positive reason
Under condition, hydraulic oil can pass through the circulation passage that valve block 3 is cooperatively formed with throttling channel 2 and flowing hole 7 flows in or out damping machine
Structure ontology 5.
The case where being mutated is shaken when automobile will appear in the process of moving, as wheel touches larger barrier or wheel
When precepitating into hole, damping mechanism ontology 5 can carry out largely displacement in a short time, be now placed in damping mechanism sheet
The hydraulic oil of 5 corresponding side of body can cause the surface of damping mechanism ontology 5 larger extruding, when the pressure of hydraulic oil is enough to overcome
When limiting the elastic force of tower spring 4, valve block 3 can be pressed towards the inside of damping mechanism ontology 5, since 4 even thickness of tower spring changes,
The elastic force of tower spring 4 gradually changes, therefore the contraction state of tower spring 4 can be gradually tapered up with the variation of hydraulic fluid pressure, at this time
Valve block 3 is gradually moved to its restriction portion by the flow equalization section of throttling channel 2 so that the circulation area of hydraulic oil reduces, and slows down damping
The degree of displacement of mechanism body 5.If hydraulic oil is excessive to the extruding force of valve block 3, valve block 3 can be moved to the interior of throttling channel 2
End, the circulation area of hydraulic oil is minimized, to realize the limitation to damping effect, when the pressure of hydraulic oil gradually subtracts
Hour, valve block 3 can gradually reset under the action of tower spring 4.
Embodiment 2：
As shown in figure 4, the present embodiment and embodiment 1 difference lies in：In the present embodiment, it omits tower spring 4 and passes through bullet
The first different spring 10 of property coefficient and second spring 11 are replaced.Spring insert 12, the first bullet are set on guiding axis 6
Spring 10 and second spring 11 are located at the both sides of spring insert 12 and are sleeved on the outer ring of guiding axis 6 simultaneously.When valve block 3 is pressurized
When mobile, it is big to continue elasticity of compression coefficient when the pressure of hydraulic oil gradually increases for the small spring of elasticity of compression coefficient first
Spring realizes the effect that valve block 3 is gradually tapered up by the variation with hydraulic fluid pressure.
The spring that the present embodiment can also use more coefficient of elasticity different when implementing carries out head and the tail connection and installs successively.
Embodiment 3：
As shown in figure 5, the present embodiment and embodiment 1 difference lies in：In the present embodiment, it omits tower spring 4 and passes through bullet
The first different spring 10 of property coefficient and second spring 11 are replaced.11 coefficient of elasticity phase of first spring 10 and second spring
Different, diameter is different and height is different, and the small spring of diameter is mounted on to the inner ring of the big spring of diameter, the first spring 10 and second
Spring 11 is sleeved on the outer ring of guiding axis 6 simultaneously.When valve block 3 is pressurized movement, a wherein spring is compressed first, works as hydraulic oil
Pressure contacted with other spring after valve block 3 continues to move to when gradually increasing and continue to compress other spring, realize valve
The effect that piece 3 is gradually tapered up by the variation with hydraulic fluid pressure.First spring 10 and second spring 11 can also diameter it is identical,
Intersect suit.
The present embodiment can also use that more coefficient of elasticity are different, diameter is identical or different and height is different when implementing
Spring is set with.
Embodiment 4：
As shown in fig. 6, the present embodiment and embodiment 1 difference lies in：In the present embodiment, it is located at the throttling of throttling channel 2
Section is along the multistage that is divided axially into of guiding axis 6, and each section of ecto-entad depth is sequentially reduced and the quantity be connected is sequentially reduced, example
Such as：Since at port inwardly, all throttling channels 2 of first segment all turn on, and have in the throttling channel 2 of second segment and are blocked all the way
Extremely ... and so on.Therefore valve block 3 is in moving process, from two sides of conducting area of conducting quantity and single throttling channel 2
Face realizes throttling simultaneously.
Embodiment 5：
As shown in fig. 7, the present embodiment and embodiment 4 difference lies in：In the present embodiment, the restriction portion of throttling channel 2 is same
Sample be it is inside and outside it is equal thick open up mode, restriction portion is multisection type, restriction portion along guiding axis 6 the multistage that is divided axially into, and each section
The quantity of ecto-entad conducting is sequentially reduced, therefore valve block 3 only realizes hydraulic oil from conducting quantity in moving process
Throttling.
Embodiment 6：
The present embodiment and embodiment 1 difference lies in：In the present embodiment, valve block 3 is located in damping mechanism ontology 5
Portion, backward two outside that is pressurized is mobile, specifically：
As shown in Fig. 8 ~ 10, go out to be respectively set there are one end cap 13 in the both ends open of damping mechanism ontology 5, in end cap 13
On offer several flowing holes 7, in this more valve block bidirectional throttle formula damping mechanism, flowing hole 7 be uniformly opened in end cap 13 with
The junction of damping mechanism ontology 5.It is provided with partition board 8 at the inside center of damping mechanism ontology 5, will be damped by partition board 8
The inner cavity interval of mechanism body 5 forms two damping cavities of left and right connection.
A tower spring 4 and a piece of valve block 3 are respectively included in two damping cavities, two panels valve block 3 is located at the two of partition board 8
Side, two tower springs 4 are located between corresponding damping cavity middle valve plate 3 and the end cap 13 of corresponding side, and two panels valve block 3 is in corresponding side tower
It is close to partition board 8 under the action of spring 4.The guiding axis 6 axially penetrated through, guiding axis 6 are additionally provided in the inner cavity of damping mechanism ontology 5
It is passed through from the center of partition board 8, the tower spring 4 and valve block 3 in two damping cavities are set in the outer ring of guiding axis 6, and valve block 3 is facilitated to exist
It slides axially in respective damping cavity.It is also respectively provided with spring limiting part 9 on the inner surface of both ends end cap 13, prevents tower spring
4 deviate during contraction or release, and monoblock type or segmented can be used in spring limiting part 9.
One group of throttling channel 2 is respectively arranged in two damping cavities, throttling channel 2 is uniformly opened in along the axial direction of guiding axis 6
On the outer wall of guiding axis 6.Throttling channel 2 includes that the flow equalization section at center and the restriction portion positioned at flow equalization section both sides, flow equalization section are opened
It is located between the outer end face of both sides valve block 3, restriction portion on the outside of respective end respectively from the outer end of both sides valve block 3 towards continuing to extend
It is arranged and depth is sequentially reduced, throttling channel 2 coordinates the flowing hole 7 being opened on both ends end cap 13, forms hydraulic oil and flows into or flow
Go out the normal open channel of damping mechanism ontology 5.
When the oil pressure of hydraulic oil is smaller, fluid is via the normal open passage flow, when oil pressure is larger, the valve of compression side
Piece 3 is moved along guiding axis 6 to 5 outside of damping mechanism ontology, and valve block 3 coordinates with the restriction portion in throttling channel 2, by the equal of restriction portion
Stream section is gradually moved to its restriction portion until completely closing, and realizes the throttling action to hydraulic oil.
Above-mentioned partition board 8 is annular shape, and guiding axis 6 passes through the centre bore of partition board 8, equal respectively on the two sides of partition board 8
Several protrusions are provided with, using protrusion so that the valve block 3 of both sides and the surface interval of partition board 8 are arranged, are advantageously formed public
Region, in order to which hydraulic action is on valve block 3.Partition board 8, which can also be used with damping mechanism ontology 5 using integral structure, to be divided
Body structure.
Specific work process and operation principle are as follows：
When hydraulic flow, damping mechanism ontology 5 is entered by flowing hole 7 on left side end cap 13 first, in damping cavity
Valve block 3 be close to partition board 8 under the action of hydraulic oil and corresponding column spring 4, the further section in the damping cavity of left side of hydraulic oil
Chute 2 flows out and the space behavior by the formation of the interval of partition board 8 is on the valve block 3 of other side damping cavity.
When the impact force of hydraulic oil is larger, the valve block 3 in the damping cavity of right side can overcome corresponding under the promotion of hydraulic oil
The elastic force of tower spring 4 moves, and since throttling channel 2 is domatic groove shallow outside interior depth, and 4 even thickness of tower spring changes, therefore tower spring 4
Elastic force gradually change, therefore the contraction state of tower spring 4 can be gradually tapered up with the variation of hydraulic fluid pressure, therefore valve block 3
During moving on the outside can its restriction portion be gradually moved to by the flow equalization section of throttling channel 2, therefore hydraulic oil flows through face
Product is progressively smaller until closing, it is achieved that the throttling of hydraulic oil, after the impact force of hydraulic oil declines, the meeting of valve block 3 exists
Gradual medial movement under the elastic force effect of tower spring 4, makes the area that flows through of hydraulic oil gradually increase, and so on.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is every without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Any simple modification, equivalent variations and remodeling, still fall within the guarantor of technical solutions of the utility model made by confrontation above example
Protect range.
Claims (10)
1. a kind of more valve block bidirectional throttle formula damping mechanisms, including damping mechanism ontology that hydraulic oil flows through（5）, feature exists
In：In damping mechanism ontology（5）Center at be provided with the inner cavity axially penetrated through, it is axial in the lumen to be provided with guiding axis（6）,
In guiding axis（6）Outer cover is equipped with after compression along guiding axis（6）It slides axially and at least two panels valve block that glide direction is opposite
（3）；
In guiding axis（6）Outer wall on offer and valve block（3）Corresponding throttling channel（2）, valve block（3）With throttling channel（2）
The circulation passage of hydraulic oil is cooperatively formed, the circulation area of circulation passage is along valve block（3）Subtracted successively by the direction of hydraulic pressure sliding
It is small, it is additionally provided with driving valve block in the lumen（3）The elastic component resetted after by hydraulic moving.
2. more valve block bidirectional throttle formula damping mechanisms according to claim 1, it is characterised in that：The elastic component is arranged
In guiding axis（6）Outer ring；
The elastic component is the tower spring of uniform external diameter variation（4）；
The elastic component is that coefficient of elasticity is different and multiple springs of head and the tail connection, by spring insert between adjacent springs（12）
Into between-line spacing；
Or be multiple springs that coefficient of elasticity is different and height is different, multiple springs are arranged successively.
3. more valve block bidirectional throttle formula damping mechanisms according to claim 1, it is characterised in that：The valve block（3）Point
It Wei Yu not the damping mechanism ontology（5）Two-port at, in damping mechanism ontology（5）Center at be provided with partition board（8）, bullet
Property part is located at both sides valve block（3）Inside and partition board（8）Between, in partition board（8）On offer flowing hole（7）, in damping machine
Structure ontology（5）Two-port go out to be additionally provided with to both sides valve block（3）The baffle blocked（1）.
4. more valve block bidirectional throttle formula damping mechanisms according to claim 1, it is characterised in that：In the damping mechanism sheet
Body（5）Center at be provided with partition board（8）, the valve block（3）It is located at partition board（8）Both sides partition board（8）, in damping mechanism
Ontology（5）Two-port go out to be provided with end cap（13）, elastic component is located at both sides valve block（3）With end cap（13）Between, it is holding
Lid（13）On offer flowing hole（7）.
5. more valve block bidirectional throttle formula damping mechanisms according to claim 4, it is characterised in that：The partition board（8）For
Annular shape, guiding axis（6）From partition board（8）It is passed through in centre bore, in partition board（8）Two sides on be provided with protrusion, make partition board（8）
With valve block（3）Interval setting.
6. more valve block bidirectional throttle formula damping mechanisms according to claim 3, it is characterised in that：Throttling channel（2）Along guiding
Axis（6）Axial direction be opened in guiding axis（6）Outer wall on, throttling channel（2）Including the flow equalization section and restriction portion interconnected, wherein
Flow equalization section is inside and outside equal deep groove, and restriction portion is the domatic groove that depth is sequentially reduced, and flow equalization section is from valve block（3）Outer end to
Inside extend to valve block（3）Inner end, restriction portion continues to extend internally from the inner end of flow equalization section, and restriction portion from the outside to the core depth according to
Secondary reduction.
7. more valve block bidirectional throttle formula damping mechanisms according to claim 4 or 5, it is characterised in that：Throttling channel（2）It leads on edge
To axis（6）Axial direction be opened in guiding axis（6）Outer wall on, throttling channel（2）Including at center flow equalization section and positioned at flowing
The restriction portion of section both sides, wherein flow equalization section are the inside and outside groove for waiting depth, and restriction portion is the domatic groove that depth is sequentially reduced, and is flowed
Section is opened in both sides valve block（3）Outer end face between, restriction portion is respectively from both sides valve block（3）Outside of the outer end towards respective end
It is outer to be extended, and depth is sequentially reduced restriction portion from inside to outside.
8. more valve block bidirectional throttle formula damping mechanisms according to claim 3, it is characterised in that：Throttling channel（2）Along guiding
Axis（6）Axial direction be opened in guiding axis（6）Outer wall on, throttling channel（2）Including the flow equalization section and restriction portion interconnected, throttling
Section and flow equalization section are the inside and outside groove for waiting depth, and restriction portion is multisection type, and the conducting quantity of restriction portion is reduced successively from outside to inside.
9. more valve block bidirectional throttle formula damping mechanisms according to claim 4 or 5, it is characterised in that：Throttling channel（2）It leads on edge
To axis（6）Axial direction be opened in guiding axis（6）Outer wall on, throttling channel（2）Including at center flow equalization section and positioned at flowing
The restriction portion of section both sides, restriction portion and flow equalization section are the deep groove such as inside and outside, and restriction portion is multisection type, the conducting quantity of restriction portion
It reduces successively from inside to outside.
10. being lived using hydraulic shock-absorption made of more valve block bidirectional throttle formula damping mechanisms described in claim 1 ~ 9 any one
Plug, it is characterised in that：In damping mechanism ontology（5）Outside is provided with piston rod, piston rod and guiding axis（6）It is arranged concentrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251672.3U CN207961378U (en) | 2018-02-12 | 2018-02-12 | A kind of more valve block bidirectional throttle formula damping mechanisms and hydraulic shock-absorption piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251672.3U CN207961378U (en) | 2018-02-12 | 2018-02-12 | A kind of more valve block bidirectional throttle formula damping mechanisms and hydraulic shock-absorption piston |
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| Publication Number | Publication Date |
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| CN207961378U true CN207961378U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820251672.3U Expired - Fee Related CN207961378U (en) | 2018-02-12 | 2018-02-12 | A kind of more valve block bidirectional throttle formula damping mechanisms and hydraulic shock-absorption piston |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798321A (en) * | 2019-02-21 | 2019-05-24 | 浙江戈尔德减振器股份有限公司 | The external bidirectional damper regulating valve of automobile absorber |
| WO2022121206A1 (en) * | 2021-03-30 | 2022-06-16 | 宁波奉化日清新能源科技有限公司 | Bidirectional self-locking damper |
-
2018
- 2018-02-12 CN CN201820251672.3U patent/CN207961378U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798321A (en) * | 2019-02-21 | 2019-05-24 | 浙江戈尔德减振器股份有限公司 | The external bidirectional damper regulating valve of automobile absorber |
| CN109798321B (en) * | 2019-02-21 | 2024-04-12 | 浙江戈尔德智能悬架股份有限公司 | External two-way damping regulating valve of automobile shock absorber ware |
| WO2022121206A1 (en) * | 2021-03-30 | 2022-06-16 | 宁波奉化日清新能源科技有限公司 | Bidirectional self-locking damper |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20181012 Termination date: 20200212 |