CN208221453U - A kind of multistage flowing speed type bidirectional damper mechanism and hydraulic shock-absorption piston of more valve blocks - Google Patents
A kind of multistage flowing speed type bidirectional damper mechanism and hydraulic shock-absorption piston of more valve blocks Download PDFInfo
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- CN208221453U CN208221453U CN201820626159.8U CN201820626159U CN208221453U CN 208221453 U CN208221453 U CN 208221453U CN 201820626159 U CN201820626159 U CN 201820626159U CN 208221453 U CN208221453 U CN 208221453U
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Abstract
A kind of multistage flowing speed type bidirectional damper mechanism and hydraulic shock-absorption piston of more valve blocks, belong to automobile shock technical field.The damping mechanism ontology (6) flowed through including liquid, it is characterized by: two damping cavities are arranged inside damping mechanism ontology (6), at least a piece of valve block (2) is respectively arranged in each damping cavity, flowing hole (4) are offered on valve block (2), the mobile end of valve block (2) compression is provided with normal open corresponding with flowing hole (4) hole (8), the elastic component that each valve block (2) of driving resets after by hydraulic moving is additionally provided in damping mechanism ontology (6).In the multistage flowing speed type bidirectional damper mechanism of this more valve block and hydraulic shock-absorption piston, by the way that at least a piece of valve block is arranged in each damping cavity, body flows through channel part and is blocked after fitting or valve block are bonded with partition between adjacent valve block, to realize the control to flow rate of liquid.
Description
Technical field
A kind of multistage flowing speed type bidirectional damper mechanism and hydraulic shock-absorption piston of more valve blocks belong to automobile shock technology neck
Domain.
Background technique
Hydraulic shock-absorption is a kind of common damping modes of automotive field.In the output end and ontology of automobile hydraulic daming piston
It is separately mounted on vehicle body and wheel set, shock absorber piston is typically provided in automobile absorber, when automobile is being run over
When occurring vertical tremor in journey, piston moves back and forth in piston cylinder, valve block mechanism is provided in piston, therefore when piston is past
When moving again, the hydraulic oil positioned at piston two sides can back and forth be flowed through with the direction opposite with piston by the flowing hole on piston
Piston, 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 vibration mutation in the process of moving, as wheel touches biggish barrier or wheel precepitates into hole
In, when 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 shock-absorption piston becomes current urgent problem to be solved.
Summary of the invention
Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide one kind by each
At least a piece of valve block is set in damping cavity, and body flows through channel part and hidden after fitting or valve block are bonded with partition between adjacent valve block
Gear, to realize the multistage flowing speed type bidirectional damper mechanism and hydraulic shock-absorption piston of more valve blocks to flow rate of liquid control.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the two-way resistance of multistage flowing speed type of more valve blocks
Buddhist nun mechanism, the damping mechanism ontology flowed through including liquid, it is characterised in that: will be damped in damping mechanism body interior setting partition
Two damping cavities are divided between the inside of mechanism body, be respectively arranged in each damping cavity it is at least a piece of by liquid squeeze and
Mobile valve block, offers flowing hole on valve block, and the mobile end of valve block compression is provided with normal open corresponding with flowing hole
Hole, flowing hole partially overlap in the upward projected position of damping mechanism body shaft with normal open hole, also set in damping mechanism ontology
It is equipped with the elastic component that each valve block of driving resets after by hydraulic moving.
Preferably, guiding axis is axially provided in the damping mechanism ontology, valve block and elastic component are set in
The outer ring of guiding axis.
Preferably, the groove for accommodating elastic component is offered on the valve block or/and partition contacted with the elastic component.
Preferably, in the damping cavity described in each, valve block is separately positioned at the two-port of damping mechanism ontology, institute
Normal open corresponding with flowing hole hole is stated to be provided on partition.
Preferably, multi-disc valve block is respectively arranged in the damping cavity described in each, at the port of valve block self-damping chamber
It is set gradually to partition, the projected position part weight upward in damping mechanism body shaft of the flowing hole on adjacent two panels valve block
Close, the port of valve block self-damping mechanism body to setting gradually at partition, adjacent valve block and most inner side valve block and partition it
Between be respectively arranged with elastic component, the coefficient of elasticity of elastic component is sequentially increased along damping mechanism ontology axial direction ecto-entad.
Preferably, in the damping cavity described in each, valve block is located at the two sides of partition and is located at close to partition
Side is provided with end cap at the port of damping mechanism ontology, and elastic component is arranged between end cap and valve block, described and flowing hole
Corresponding normal open hole is provided on end cap, opens up normal open hole simultaneously on partition；Being additionally provided on the two sides of partition makes valve
The protrusion of piece and baffle interval setting.
Preferably, screw is respectively arranged at the two-port of the damping mechanism ontology, screw screws in guiding axis, spiral shell
Six side of fastening for following closely end keeps off corresponding damping cavity middle valve plate on the inside of damping mechanism ontology port.
Preferably, the port border of damping mechanism ontology one end is provided with several baffles, baffle keeps off valve block
On the inside of damping mechanism ontology port, it is provided with fixed disk, while at the port center of the damping mechanism ontology other side with fixation
Radial centered on disk to be uniformly connected with muti-piece fixed plate, the other end of fixed plate is connect with the port of damping mechanism ontology.
Preferably, the throttling pillar with the flowing hole cooperation grafting on valve block is provided at the mobile end that is pressurized in valve block,
Throttling pillar is provided with different a plurality of of length.
A kind of hydraulic shock-absorption piston, it is characterised in that: be provided with piston rod, piston rod is coaxially fixed on damping mechanism ontology
Any end.
Compared with prior art, beneficial effect possessed by the utility model is:
1, in the multistage flowing speed type bidirectional damper mechanism of this more valve block and hydraulic shock-absorption piston, by each resistance
At least a piece of valve block is set in Buddhist nun's chamber, and body flows through channel part and hidden after fitting or valve block are bonded with partition between adjacent valve block
Gear, to realize the control to flow rate of liquid.
2, by setting elastic component, the reset of valve block can be realized after by hydraulic be subjected to displacement in valve block.
3, by setting guiding axis, in order to which valve block smoothly slides in the lumen.
4, fluted by being opened up at least one contact surface of spring two sides, to guarantee that spring after being compressed may be used
To be integrally placed in groove, so that ensure that can be closely adhered between two valve blocks or valve block and partition, while guaranteeing spring not
It will appear radial displacement.
Detailed description of the invention
Fig. 1 is multistage 1 structural schematic diagram of flowing speed type bidirectional damper mechanism embodiment of more valve blocks.
Fig. 2 is multistage 2 structural schematic diagram of flowing speed type bidirectional damper mechanism embodiment of more valve blocks.
Fig. 3 is Fig. 2 right view.
Fig. 4 is multistage 3 structural schematic diagram of flowing speed type bidirectional damper mechanism embodiment of more valve blocks.
Fig. 5 is multistage 4 structural schematic diagram of flowing speed type bidirectional damper mechanism embodiment of more valve blocks.
Fig. 6 is multistage 5 structural schematic diagram of flowing speed type bidirectional damper mechanism embodiment of more valve blocks.
Wherein: 1, screw 2, valve block 3, guiding axis 4, flowing hole 5, spring 6, damping mechanism ontology 7, every
Plate 8, normal open hole 9, piston rod 10, baffle 11, fixed plate 12, fixed disk 13, end cap 14, throttling pillar.
Specific embodiment
Fig. 1 is the most preferred embodiment of the utility model, and 1 ~ 6 pair of the utility model is described further with reference to the accompanying drawing.
Embodiment 1:
As shown in Figure 1, a kind of multistage flowing speed type bidirectional damper mechanism (hereinafter referred to as damping mechanism) of more valve blocks, including resistance
Buddhist nun's mechanism body 6, damping mechanism ontology 6 are cylindrical shape, are internally provided with the inner cavity axially penetrated through in damping mechanism ontology 6,
Circular partition 7 is provided at the center of 6 inner cavity of damping mechanism ontology, partition 7 will be divided between the inner cavity of damping mechanism ontology 6
Left and right two damping cavities, offer at least one normal open hole 8 on partition 7, by normal open hole 8 that damping mechanism ontology 6 is left,
Right two damping cavities connection.
The guiding axis 3 axially penetrated through is additionally provided in the inner cavity of damping mechanism ontology 6, guiding axis 3 is fixed on partition 7
At center, both ends are extended respectively at the both ends port of damping mechanism ontology 6.It is damped at damping mechanism ontology 6 left and right two
Two panels valve block 2 is respectively arranged in chamber from inside to outside, inner terminal between the two panels valve block 2 of two damping cavities and in two damping cavities
Valve block 2 and partition 7 between be respectively arranged with a spring 5, in each damping cavity, the coefficient of elasticity of spring 5 is by extroversion
Inside it is sequentially increased.Two damping cavity middle valve plates 2 and spring 5 are sleeved on the outer ring of guiding axis 3 simultaneously, by the way that guiding axis 3 is arranged,
In order to sliding axially along damping mechanism ontology 6 in 2 inner cavity of valve block.Guiding axis 3 is preferably designed for cylinder.
Screw 1 is respectively arranged at the two-port of damping mechanism ontology 6, screw 1 screws in the guiding axis 3 of corresponding side,
Six side of fastening of its end keeps off in the outside of valve block 2, prevents port of the valve block 2 under the elastic force of spring 5 from damping mechanism ontology 6
Place's pop-up, its outer end face under the position-limiting action of screw 1 of valve block 2 are located at the port of damping mechanism ontology 6.In damping mechanism sheet
The coaxial fixed piston rod 9 of any end of body 6 forms the hydraulic shock-absorption piston based on this damping mechanism.
Flowing hole 4 is offered on valve block 2, flowing hole 4 is arbitrary shape.In each damping cavity, adjacent two panels
Projection section of the position in 3 axial direction of guiding axis that open up of flowing hole 4 is overlapped on valve block 2, therefore adjacent two panels valve block 2 is being bonded
Later, the flowing hole 4 on two panels valve block 2 can shade one another.Simultaneously in each damping cavity inner terminal valve block 2 flowing hole 4
Position is opened up to be overlapped with open up position projection section on guiding axis 3 axial direction of the normal open hole 8 on partition 7.It is arranged each
Flowing hole 4 on valve block 2 can realize coincidence by the way that different shape is arranged, and can also realize weight by the way that different size is arranged
It closes.
5 two sides of spring at least one contact surface (it is opened up on two valve blocks 2 or valve block 2 and partition 7 fluted, to guarantee
Spring 5 can be integrally placed in groove after being compressed, so that ensure that can be tight between two valve blocks 2 or valve block 2 and partition 7
Closely connected conjunction.
Specific work process and working principle are as follows:
Hydraulic shock-absorption piston made of this damping mechanism is mounted in corresponding damper shell (being not drawn into figure) and is formed
Automobile absorber, piston rod 9 and damper shell are separately mounted at the vehicle body and wheel set of automobile, when automobile shakes
When, vehicle body and wheel set relatively move, corresponding that damping mechanism ontology 6 is made to move back and forth in oil circuit.Just
In normal situation, when moving under pulling of the damping mechanism ontology 6 in piston rod 9, the hydraulic oil of corresponding side can be by valve block 2
Flowing hole 4 enters in a damping cavity of damping mechanism ontology 6, then by the 8 self-damping mechanism body of normal open hole in partition 7
The damping cavity of 6 other ends flows out, therefore in a normal state, and the normal open hole 8 on the flowing hole 4 and partition 7 on valve block 2 forms
The circulation passage of hydraulic oil, the area of circulation passage is maximum at this time, and hydraulic oil is with maximum flow rate.
When automobile will appear the case where vibration is mutated in the process of moving, as wheel touches biggish barrier or wheel
When precepitating into hole, damping mechanism ontology 6 can be largely displaced in a short time, be now placed in damping mechanism sheet
The hydraulic oil of 6 corresponding side of body can cause biggish extruding to the surface of damping mechanism ontology 6, when the pressure of hydraulic oil is enough to overcome
In corresponding side damping cavity when the elastic force of outermost end spring 5, the valve block 2 of outermost end can be pressed towards the inside of damping mechanism ontology 6, and
Gradually it is bonded with second valve block 2 on the inside of it, since the flowing hole 4 on two panels valve block 2 only partially overlaps, two plate valves
After being bonded to each other, the flowing hole 4 on two panels valve block 2 can be blocked mutually piece 2, therefore reduce the circulating face of circulation passage
Product, therefore the velocity of liquid assets of hydraulic oil is slowed down, realize first segment speed regulation.
When the pressure that the flow velocity of hydraulic oil continues to change and formed is enough to overcome the elastic force of second spring 5, two plate valves
Piece 2 can be mobile to the inner end of damping mechanism ontology 6 by hydraulic action simultaneously, until being bonded with partition 7,4 meeting of flowing hole at this time
It is further blocked, since flowing hole 4 and the normal open hole 8 of inner terminal valve block 2 partially overlap, this orifice valve is in most at this time
The area of the circulation status of small circulation area, the circulation passage of hydraulic oil is in minimum, realizes second segment speed regulation, realizes throttling
Effect, when the pressure of hydraulic oil is gradually reduced, valve block 2 can gradually reset under the action of spring 5, to realize flow
Control.
After the movement of valve block 2 in any side damping cavity is bonded with adjacent valve block 2 or all valve blocks 2 and partition 7
After fitting, the flow velocity that hydraulic oil flows into another damping cavity has been greatly reduced, therefore hydraulic oil has been insufficient to allow at this time
Valve block 2 in the damping cavity of the other side moves, therefore will not impact to the circulation area of circulation passage in the damping cavity of the other side.
This damping mechanism can also be individually fixed in hydraulic oil pipeline, and hydraulic oil is when moving back and forth to corresponding side at this time
Valve block 2 cause to squeeze, the course of work and working principle phase of the course of work and working principle and above-mentioned hydraulic shock-absorption piston
Together.
Embodiment 2:
As shown in Fig. 2, the present embodiment the difference from embodiment 1 is that: eliminate and be applied in inside damping mechanism ontology 6
Guiding axis 3, the groove of spring 5 can be accommodated due to offering on valve block 2 or/and partition 7, and spring 5 is not in radial direction
Displacement.
Muti-piece baffle 10 is arranged at intervals at one end port of damping mechanism ontology 6, baffle 10 is uniformly arranged on accordingly
At port, baffle 10 will not hide the flowing hole 4 on valve block 2 while playing the role of prevents valve block 2 to be ejected
Gear will not pass in and out damping mechanism ontology 6 to hydraulic oil and cause to stop, while will not be to the valve block for interfering hydraulic oil impact respective end
2。
As shown in figure 3, being provided with fixed disk 12, while at the center of the port of 6 other end of damping mechanism ontology with solid
It is radial centered on price fixing 12 to be evenly arranged with muti-piece fixed plate 11, by fixed plate 11 and fixed disk 12 to the valve of the side
Piece 2 is blocked, and piston rod 9 is fixed at 12 center of fixed disk.
The course of work and working principle of the present embodiment are same as Example 1, and details are not described herein.
In the present embodiment, the both ends of damping mechanism ontology 6 can be all made of the mode of fixed plate 11 and fixed disk 12
Realize the blocking to valve block 2, and optionally one end connects piston rod 9.
Embodiment 3:
As shown in figure 4, the present embodiment the difference from embodiment 1 is that: in the damping cavity of 6 two sides of damping mechanism ontology point
Other is provided with a piece of valve block 2, and a spring 5 is respectively arranged between two sides valve block 2 and partition 7, and the flowing hole 4 of valve block 2 is opened
If position is overlapped with projection section of the position in 3 axial direction of guiding axis that open up of the normal open hole 8 on partition 7, therefore in this implementation
By one section of speed regulation in example, the switching of hydraulic oil two-stage flow velocity is realized.
The course of work and working principle of the present embodiment are same as Example 1, and details are not described herein.
Embodiment 4:
As shown in figure 5, the present embodiment the difference from embodiment 1 is that: in the present embodiment, in each damping cavity,
The inside of damping mechanism ontology 6 is arranged in valve block 2, is located at the two sides of partition 7, is respectively set on the two sides of partition 7
There is protrusion, so that forming clearance space between the valve block 2 of 7 two sides of partition.It is respectively set at the two-port of damping mechanism ontology 6
There is end cap 13, several normal open holes 8 are equally offered on end cap 13, in each damping cavity, spring 5 is separately positioned on end cap
Between 13 and valve block 2.
In the present embodiment, the groove for accommodating spring 5, the flowing hole 4 of valve block 2 are offered on valve block 2 or/and end cap 13
Position is opened up to be overlapped with open up position projection section on guiding axis 3 axial direction of the normal open hole 8 on end cap 13.Simultaneously by setting
The normal open hole 8 on end cap 13 and partition 7 is set, is collectively constituted in conjunction with the space for being spaced formation between valve block 2 and partition 7 hydraulic
The normal open channel of oil.
Piston rod 9 and guiding axis 3 are coaxially fixed on the outer end face of any one end cap 13, form hydraulic shock-absorption piston.
In each damping cavity, multiple valve blocks 2 also can be set.
Embodiment 5:
As shown in fig. 6, the present embodiment the difference from embodiment 1 is that: in the present embodiment, partition 7(valve block 2 be pressurized
The mobile end) two sides on be vertically installed with a plurality of throttling pillar 14 different in size, throttling pillar 14 opens up position and valve
The position that flowing hole 4 on piece 2 is overlapped is corresponding.When valve block 2 is by hydraulic move inward, throttling pillar 14 is according to from long to short
Sequence sequentially enter in the flowing hole 4 of valve block 2, further reduce the fluid area of hydraulic oil circulation passage.
Embodiment 6:
The present embodiment the difference from embodiment 1 is that: be internally provided with greater number of valve block in damping mechanism ontology 6
2, and projection section of the position in 3 axial direction of guiding axis that open up of flowing hole 4 is overlapped on adjacent two panels valve block 2, while inner terminal
The flowing hole 4 of valve block 2 opens up position and normal open hole 8 opens up projection section weight of the position in 3 axial direction of guiding axis on partition 7
It closes, it is achieved that the adjusting of hydraulic oil more multistage tasselled.
Embodiment 7:
The present embodiment the difference from embodiment 1 is that: in the present embodiment, guiding axis 3 use other shapes, such as rectangle
Column, triangular column or other polygon columns can be effectively prevented valve block 2 and rotation occur.
The multistage flowing speed type bidirectional damper mechanism of this more valve block can make any combination of above embodiments.
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 all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model
Protect range.
Claims (10)
1. the multistage flowing speed type bidirectional damper mechanism of a kind of more valve blocks, including the damping mechanism ontology (6) that liquid flows through, feature
Be: setting partition (7) will be divided into two damping cavities inside damping mechanism ontology (6) between the inside of damping mechanism ontology (6),
It is respectively arranged at least a piece of mobile valve block (2) by liquid extruding in each damping cavity, is offered on valve block (2)
Flowing hole (4) is provided with normal open corresponding with flowing hole (4) hole (8) in valve block (2) the mobile end that is pressurized, flowing hole (4) and
Projected position of the normal open hole (8) in damping mechanism ontology (6) axial direction partially overlaps, and also sets up in damping mechanism ontology (6)
The elastic component for thering is each valve block (2) of driving to reset after by hydraulic moving.
2. the multistage flowing speed type bidirectional damper mechanism of more valve blocks according to claim 1, it is characterised in that: in the resistance
It is axially provided in Buddhist nun's mechanism body (6) guiding axis (3), valve block (2) and elastic component are set in the outer ring of guiding axis (3).
3. the multistage flowing speed type bidirectional damper mechanism of more valve blocks according to claim 1, it is characterised in that: with it is described
The groove for accommodating elastic component is offered on the valve block (2) or/and partition (7) of elastic component contact.
4. the multistage flowing speed type bidirectional damper mechanism of more valve blocks according to claim 1, it is characterised in that: in each institute
In the damping cavity stated, valve block (2) is separately positioned at the two-port of damping mechanism ontology (6), described corresponding with flowing hole (4)
Normal open hole (8) is provided on partition (7).
5. the multistage flowing speed type bidirectional damper mechanism of more valve blocks according to claim 1, it is characterised in that: in each institute
It is respectively arranged in the damping cavity stated multi-disc valve block (2), to setting gradually at partition (7) at the port of valve block (2) self-damping chamber,
Projected position of the flowing hole (4) in damping mechanism ontology (6) axial direction on adjacent two panels valve block (2) partially overlaps, valve block (2)
The port of self-damping mechanism body (6) to setting gradually at partition (7), adjacent valve block (2) and most inner side valve block (2) with every
Elastic component is respectively arranged between plate (7), the coefficient of elasticity of elastic component successively increases along the axial ecto-entad of damping mechanism ontology (6)
Greatly.
6. the multistage flowing speed type bidirectional damper mechanism of more valve blocks according to claim 1, it is characterised in that: in each institute
In the damping cavity stated, valve block (2) is located at the two sides of partition (7) and is located at close to the side of partition (7), in damping mechanism sheet
It is provided at the port of body (6) end cap (13), elastic component is arranged between end cap (13) and valve block (2), described and flowing hole (4)
Corresponding normal open hole (8) is provided on end cap (13), opens up normal open hole (8) simultaneously on partition (7)；In the two sides of partition (7)
Being additionally provided on face makes valve block (2) and partition (7) spaced protrusion.
7. the multistage flowing speed type bidirectional damper mechanism of more valve blocks according to claim 4, it is characterised in that: in the damping
Be respectively arranged at the two-port of mechanism body (6) screw (1), screw (1) screw in guiding axis (3) in, screw (1) end it is tight
Gu six sides keep off corresponding damping cavity middle valve plate (2) on the inside of damping mechanism ontology (6) port.
8. the multistage flowing speed type bidirectional damper mechanism of more valve blocks according to claim 4, it is characterised in that: in the damping
The port border of mechanism body (6) one end is provided with several baffles (10), and baffle (10) keeps off valve block (2) in damping mechanism ontology
(6) on the inside of port, fixed disk (12) are provided with, while at the port center of damping mechanism ontology (6) other side with fixed disk
(12) radial centered on to be uniformly connected with muti-piece fixed plate (11), the other end and damping mechanism ontology of fixed plate (11)
(6) port connection.
9. the multistage flowing speed type bidirectional damper mechanism of more valve blocks according to claim 1, it is characterised in that: in valve block (2)
The throttling pillar (14) with flowing hole (4) the cooperation grafting on valve block (2) is provided at the mobile end that is pressurized, throttling pillar (14) is set
It is equipped with different a plurality of of length.
10. made of a kind of multistage flowing speed type bidirectional damper mechanism using more valve blocks described in claim 1 ~ 9 any one
Hydraulic shock-absorption piston, it is characterised in that: be provided with piston rod (9), piston rod (9) is coaxially fixed on damping mechanism ontology (6) and appoints
Meaning one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820626159.8U CN208221453U (en) | 2018-04-28 | 2018-04-28 | A kind of multistage flowing speed type bidirectional damper mechanism and hydraulic shock-absorption piston of more valve blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820626159.8U CN208221453U (en) | 2018-04-28 | 2018-04-28 | A kind of multistage flowing speed type bidirectional damper mechanism and hydraulic shock-absorption piston of more valve blocks |
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| Publication Number | Publication Date |
|---|---|
| CN208221453U true CN208221453U (en) | 2018-12-11 |
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ID=64513104
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| CN201820626159.8U Expired - Fee Related CN208221453U (en) | 2018-04-28 | 2018-04-28 | A kind of multistage flowing speed type bidirectional damper mechanism and hydraulic shock-absorption piston of more valve blocks |
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| CN (1) | CN208221453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779065A (en) * | 2019-03-15 | 2019-05-21 | 重庆恩倍克科技有限公司 | A kind of building horizontal shock-absorbing electromagnetic damper |
-
2018
- 2018-04-28 CN CN201820626159.8U patent/CN208221453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779065A (en) * | 2019-03-15 | 2019-05-21 | 重庆恩倍克科技有限公司 | A kind of building horizontal shock-absorbing electromagnetic damper |
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Granted publication date: 20181211 Termination date: 20200428 |