CN109356956A - A kind of damper and production method of manually adjustable damping - Google Patents
A kind of damper and production method of manually adjustable damping Download PDFInfo
- Publication number
- CN109356956A CN109356956A CN201811492630.XA CN201811492630A CN109356956A CN 109356956 A CN109356956 A CN 109356956A CN 201811492630 A CN201811492630 A CN 201811492630A CN 109356956 A CN109356956 A CN 109356956A
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- spool
- valve
- adapter
- outer shell
- oil
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- 238000013016 damping Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 abstract description 6
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/362—Combination of sealing and guide arrangements for piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/368—Sealings in pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention provides the dampers and production method of a kind of manually adjustable damping, middle cylinder is provided between inner casing and outer shell, recirculation hole is provided on the upside of inner casing to be connected to middle cylinder, middle cylinder is connected to outer shell, regulating valve is configured to adjust the mistake oil mass between middle cylinder and outer shell, i.e. regulating valve is arranged between middle cylinder and outer shell, compared with prior art, it can be damped using valve regulation is adjusted, and regulating valve acts on middle cylinder and outer shell, it no longer needs to be mounted on the bottom of working cylinder, no longer generates the interference to other structures.Further, regulating valve is improved, crossing oil-gap includes the conical surface, when operator's turning knob, inner spool is driven to be threadingly advanced or retreat in intermediate valve in-core, increased or reduced with accurately adjusting oil-gap, and then accurately adjusted oil mass, and can be realized infinitely, continuously adjusted oil mass.And spool is no longer controlled by spring, and regulation valve core opening degree is able to maintain stabilization, and long service life under different operating conditions.
Description
Technical field
The present invention relates to cushion techniques, in particular to the damper and production method of a kind of manually adjustable damping.
Background technique
Currently, hydraulic buffer is widely applied in automotive field, damping force is mainly by each oil-through hole and valve block
It generates.In the prior art, since oil-through hole aperture and valve sheet damping are fixed, damping force is only opposite between vehicle body and wheel
Movement velocity is related, cannot adjust accordingly with the difference of vehicle working condition, can not fully meet automobile suspension system pair
The requirement of damping force, it is difficult to take into account the riding comfort and control stability of vehicle.
With the development of technology, occur in the prior art it is some in working cylinder bottom, regulating valve is set, adjust internal
The technology of oil mass is crossed between working cylinder and the oil storage cylinder of outside, but there are still many defects for the prior art.For example, only piston rod edge
There is regulating power when one direction is mobile, regulating valve is mounted on working cylinder and oil storage cylinder bottom be easy to be formed with other structures it is dry
It relates to.For example, the nuclear structure of regulating valve mostly uses, spring and valve block cooperate or spring cooperates with globe valve, and degree of regulation is not
Height can not continuously adjust, and due to the elastic characteristic of spring, regulation valve core opening degree is difficult to keep under different operating conditions
Stablize, it is short to be furthermore also easy to service life due to spring is easy to aging.
In addition, existing hydraulic damper is there is also other defect, such as when piston rod is in stretching travel in working cylinder
Damping effect has to be hoisted.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of damper of manually adjustable damping and production sides
Method, specific technical solution are as follows:
A kind of damper of manually adjustable damping, including piston component, outer shell, middle cylinder, inner casing, bottom valve assembly and tune
Save valve, the oil that the bottom of the inner casing is arranged in be connected to or close between the outer shell and the inner casing in the bottom valve assembly
Road；
The piston component includes piston rod and piston only, and the piston rod is configured to drive the piston only in institute
It states in inner casing and slides, the piston only is configured to form the dynamic sealing to oil liquid, the piston sheet with the casing wall of the inner casing
Body has first group of oil passage, is configured to open and close the piston valve component of first group of oil passage；
Recirculation hole is provided on the upside of the inner casing to be connected to the middle cylinder, and the middle cylinder is connected to the outer shell, the tune
Section valve is configured to adjust the mistake oil mass between the middle cylinder and the outer shell.
In a preferred embodiment, the regulating valve includes inner spool, intermediate spool, valve seat and knob, the centre
Spool is set in the outside of the inner spool, and the valve seat is set in the outside of the intermediate spool, and the valve seat is fixedly connected
Outside the casing wall of the outer shell, the tail portion of the inner spool and the intermediate spool are threadedly coupled, and the knob is configured to drive
While the inner spool is relative to the intermediate valve core rotation inner spool the intermediate valve in-core be threadingly advanced or after
It moves back；
The stem of the inner spool is connected to the middle cylinder, the stem periphery of the inner spool and the intermediate valve in-core wall
Between there is oil-gap, the intermediate spool, which has, is connected to the through-hole for crossing oil-gap, is provided with connection in the valve seat
Second group of oil passage of the through-hole, second group of oil passage are connected to the outer shell；
At least one in the stem periphery of the inner spool and the intermediate valve in-core wall makes the inner spool with the conical surface
When the intermediate valve in-core is threadingly advanced or retreats, the oil-gap of crossing is increased or reduced.
In a preferred embodiment, first group of sealing is provided between the middle part of the inner spool and the intermediate spool
Circle forms the dynamic sealing to oil liquid.
In a preferred embodiment, the casing wall of the middle cylinder offers opening, and the edge of the opening, which has, to be protruded into
The barrel of the outer shell, the stem of the inner spool and the intermediate spool protrude into the barrel, the intermediate spool with
It is provided with second group of sealing ring between the barrel and forms static seal to oil liquid.
In a preferred embodiment, adapter is provided between the knob and the inner spool, the knob is removable
It is fixedly connected with the adapter with unloading, the adapter is removably secured the connection inner spool；
Preferably, the head and the tail two sides of the adapter are respectively arranged with card slot, and the knob and the inner spool block respectively
It connects in the corresponding card slot；
It preferably, further include fastening screw, the fastening screw passes through the knob and is fixed in the adapter, institute
Knob, the adapter and inner spool center of rotation having the same are stated, the fastening screw deviates the center of rotation；
Preferably, third group sealing ring is provided between the periphery and the valve seat of the intermediate spool to be formed to oil liquid
Static seal.
In a preferred embodiment, the side of intermediate spool towards the knob is provided with circlip, the circlip
Hard gasket, and hard gasket described in the circlip clamping and the adapter are provided between the adapter.
In a preferred embodiment, the intermediate spool has the mounting hole towards the adapter, the mounting hole
Inside be provided with spring and the first sphere, the spring abuts first sphere, the adapter have it is multiple along the circumferential direction
The locating slot of distribution makes the adapter that each locating slot be driven alternately to be aligned first sphere and described first when rotating
Sphere makes first sphere when the tension force of spring is acted on and being continued to rotate into the locating slot and the adapter
Leave the locating slot.
In a preferred embodiment, the mounting hole is stepped, and the spring and first sphere are arranged in institute
It states in the lesser ladder of diameter of mounting hole, the second ball is installed to interference fit in the ladder of the mounting hole being relatively large in diameter
Body, the both ends of the spring abut first sphere and second sphere respectively.
In a preferred embodiment, the piston valve component includes being arranged two above and below first group of oil passage
The upper piston valve block and lower piston valve block at end, the upper piston valve block and the lower piston valve block are configured to unidirectional unlatching institute respectively
Corresponding channel in first group of oil passage is stated, and opening direction is opposite.
A kind of production method of the damper of aforementioned manually adjustable damping, assembling process includes following operation:
The adapter and the intermediate spool are first assembled, and first sphere and the spring are sequentially put into institute
It states in the lesser ladder of diameter of mounting hole；
Second sphere is pressed into the ladder of the mounting hole being relatively large in diameter again, makes second sphere described
It is installed to interference fit in the ladder of mounting hole being relatively large in diameter.
The present invention at least has the advantages that
In the present invention, it is provided with middle cylinder between inner casing and outer shell, is provided with recirculation hole on the upside of inner casing to be connected to middle cylinder,
Middle cylinder is connected to outer shell, and regulating valve is configured to adjust the mistake oil mass between middle cylinder and outer shell, i.e. regulating valve is arranged in middle cylinder
Between outer shell, compared with prior art, regulating valve acts on middle cylinder and outer shell, it is no longer necessary to be mounted on the bottom of working cylinder
Portion no longer generates the interference to other structures.And no matter piston rod is in stretching travel or compression travel, inner casing and centre
Fluid flowing is generated by recirculation hole between cylinder, correspondingly makes to generate fluid stream also by regulating valve between middle cylinder and outer shell
It is dynamic, because regardless of piston rod is in stretching travel or compression travel, the damping of damper is regulated the adjusting of valve.
Further, regulating valve includes inner spool, intermediate spool, valve seat and knob, tail portion and the centre spool of inner spool
It is threadedly coupled, inner spool is before intermediate valve in-core spiral while knob is configured to drive inner spool relative to intermediate valve core rotation
Into or retreat；The stem of inner spool is connected to middle cylinder, has between oil between the stem periphery and intermediate valve in-core wall of inner spool
Gap, intermediate spool, which has, was connected to the through-hole of oil-gap, was provided with second group of oil passage of connection through-hole in valve seat, and second group
Oil passage is connected to outer shell；At least one in the stem periphery of inner spool and intermediate valve in-core wall makes inner spool exist with the conical surface
Intermediate valve in-core is threadingly advanced or crosses when retreating oil-gap and increases or reduces.Compared with prior art, crossing oil-gap includes the conical surface,
When operator's turning knob, inner spool is driven to be threadingly advanced or retreat in intermediate valve in-core, accurately to adjust oil-gap increasing
It is big or reduce, and then accurately adjusted oil mass, and can be realized infinitely, continuously adjusted oil mass.And spool no longer by
Spring control, regulation valve core opening degree is able to maintain stabilization, and long service life under different operating conditions.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the cross-sectional view of the damper of manually adjustable damping in the embodiment of the present invention 1；
Fig. 2 is the enlarged drawing in region at A in Fig. 1；
Fig. 3 is the enlarged drawing in region at B in Fig. 1；
Fig. 4 is the enlarged drawing in region at C in Fig. 1.
Main element symbol description:
1- piston rod；2- outer shell；3- middle cylinder；4- inner casing；5- director assembly；6- bottom valve；7- piston component；8- is adjusted
Valve；9- oil sealing；10- recirculation hole；71- piston only；72- upper piston valve block；73- lower piston valve block；74- nut；75- first
Group oil passage；76- bushing；81- valve seat；Spool among 82-；83- inner spool；84- adapter；First group of sealing ring of 85-；
Second group of sealing ring of 86-；87- barrel；88- crosses oil-gap；89- through-hole；90- third group sealing ring；91- knob；92- is tight
Gu screw；93- spring；The first sphere of 94-；The second sphere of 95-；96- hard gasket；97- circlip.
Specific embodiment
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration,
It should not be understood as the limitation to this patent；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, put
Big or diminution, does not represent the size of actual product；It will be understood by those skilled in the art that certain known features and its being said in attached drawing
Bright possible omit will be understood by.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore positional relationship is described in attached drawing
Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
The statement (" first ", " second " etc.) used in various embodiments of the present invention can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, the above statement is not intended to limit the suitable of the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, the first user fills
It sets and indicates different user device with second user device, although the two is all user apparatus.For example, of the invention each not departing from
In the case where the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should also be noted that in the present invention, unless otherwise specific regulation and definition, the arts such as " installation ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection or being integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be and be directly connected to, and can be indirectly connected through an intermediary；It can be two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
Embodiment
Present embodiments provide the damper and production method of a kind of manually adjustable damping, wherein this is manually adjustable
The damper of damping is suitable for the damping of vehicle bodies of vehicles such as car, lorry, motorcycle etc..
Specifically, as shown in Figure 1, the damper of the manually adjustable damping include piston component 7, outer shell 2, middle cylinder 3,
Inner casing 4, bottom valve assembly 6 and regulating valve 8.It should be noted that aforementioned piston component 7, outer shell 2, middle cylinder 3, inner casing 4, bottom valve
Component 6 and regulating valve 8 are only for necessary parts needed for solving the present embodiment technical problems to be solved, and not this can be adjusted manually
The damper of section damping only includes these components, for example, stablizing movement, Yi Jiwei in inner casing 4 for the ease of piston component 7
Each cylinder body of sealing, the damper of the manually adjustable damping further include director assembly 5 and oil sealing 9, and director assembly 5 is led
The upper end of outer shell 2 and inner casing 4 is placed in device assembly 5 and oil sealing 9 and is cooperatively formed with the inward flange of outer shell 2 and inner casing 4 to oil liquid
Static seal.For example, for the ease of installing the damper of the manually adjustable damping, the bottom of outer shell 2 is provided with lifting lug, this reality
Applying example will not enumerate.
Wherein, piston component 7 includes piston rod 1 and piston only 71, and piston rod 1 is configured to that piston only 71 is driven to exist
It is slided in inner casing 4, piston only 71 is configured to form the dynamic sealing to oil liquid with the casing wall of inner casing 4, and piston only 71 has the
One group of oil passage 75 is configured to open and close the piston valve component of first group of oil passage 75, and the setting of bottom valve assembly 6 exists
Oil circuit of the bottom of inner casing 4 to be connected to or close between outer shell 2 and inner casing 4 is provided with recirculation hole 10 to be connected to centre on the upside of inner casing 4
Cylinder 3, middle cylinder 3 are connected to outer shell 2, and regulating valve 8 is configured to adjust the mistake oil mass between middle cylinder 3 and outer shell 2.
As shown in Figure 1, Figure 3, middle cylinder 3 is arranged between outer shell 2 and inner casing 4, and the top of middle cylinder 3, bottom end difference
It is fixedly connected on the casing wall of inner casing 4, and the top of middle cylinder 3, bottom end form with the casing wall of inner casing 4 be tightly connected respectively.It is excellent
Selection of land, the quantity of the recirculation hole 10 for being connected to middle cylinder 3 opened up on the upside of inner casing 4 are multiple.As a result, when piston only 71 exists
When being in stretching travel (moving up) in inner casing 4, the fluid in inner casing 4 enters middle cylinder 3 from recirculation hole 10, when piston sheet
When body 71 is in compression travel (moving down) in inner casing 4, the fluid in middle cylinder 3 enters inner casing 4 from recirculation hole 10.
In the present embodiment, due to being provided with middle cylinder 3 between inner casing 4 and outer shell 2, recirculation hole 10 is provided on the upside of inner casing 4
To be connected to middle cylinder 3, middle cylinder 3 is connected to outer shell 2, and regulating valve 8 is configured to adjust the mistake oil mass between middle cylinder 3 and outer shell 2, i.e.,
Regulating valve 8 is arranged between middle cylinder 3 and outer shell 2.Compared with prior art, regulating valve 8 acts on middle cylinder 3 and outer shell 2, no
It needs to be mounted on the bottom of inner casing 4 again, no longer generates the interference to other structures.And no matter piston rod 1 is in stretching travel
Or compression travel generates fluid flowing by recirculation hole 10 between inner casing 4 and middle cylinder 3, correspondingly makes 3 He of middle cylinder
Fluid flowing is generated also by regulating valve 8 between outer shell 2, because hindering regardless of piston rod 1 be in stretching travel or compression travel
The damping of Buddhist nun's damper is regulated the adjusting of valve 8.
Regulating valve 8 as one preferred, as shown in figure 3, regulating valve 8 includes inner spool 83, intermediate spool 82, valve seat 81
With knob 91.Preferably, inner spool 83 and intermediate spool 82 are copper material, and inner spool 83 and intermediate spool 82 be more as a result,
Softness, thus there is better seal performance.Wherein, intermediate spool 82 is set in the outside of inner spool 83, and valve seat 81 is set in
The outside of intermediate spool 82, valve seat 81 are fixedly connected on outside the casing wall of outer shell 2,82 screw thread of the tail portion of inner spool 83 and intermediate spool
Connection.Preferably, connection is removably secured between valve seat 81 and intermediate spool 82, such as the outer peripheral surface of intermediate spool 82 has
External screw thread, the inner wall of valve seat 81 have internal screw thread, make to be threadedly coupled between valve seat 81 and intermediate spool 82 structure realize it is removable
It is fixedly connected with unloading.
In the present embodiment, inner spool while knob 91 is configured to that inner spool 83 is driven to rotate relative to intermediate spool 82
83 move forward or back in intermediate 82 inside spin of spool.Realization structure as one preferred, sets between knob 91 and inner spool 83
It is equipped with adapter 84, knob 91 is removably secured connection adapter 84, and adapter 84 is removably secured connection inner spool 83.
Preferably, adapter 84 is copper material, thus has better seal performance.The company of being removably secured as one preferred
The head and the tail two sides of binding structure, adapter 84 are respectively arranged with the polygons such as card slot (not shown), such as quadrangle, pentagon
Groove forms card slot, or the cylinder shape groove with keyway forms card slot.Knob 91 and inner spool 83 are respectively engaged with corresponding
In card slot, correspondingly, the shape at position being clamped with card slot and the shape of card slot of knob 91 and inner spool 83 match, such as
For the card slot that polygonal grooves are formed, the position that knob 91, inner spool 83 protrude into card slot is also polygon.Work as operation as a result,
When person's turning knob 91, since knob 91 is removably secured connection adapter 84, adapter 84 is removably secured in connection
Spool 83, inner spool 83 also follow rotation.
Preferably, knob 91, adapter 84 and the center of rotation having the same of inner spool 83.As a result, button, adapter
84 and inner spool 83 can rotate coaxially, convenient for make structure it is more compact, simplify.
It preferably, further include fastening screw 92, fastening screw 92 passes through knob 91 and is fixed in adapter 84, fastens spiral shell
Nail 92 deviates center of rotation.Since fastening screw 92 deviates center of rotation, knob 91 can be made with relatively simple structure and is turned
Joint chair 84 is securely fixedly connected.
As shown in figure 3, the stem of inner spool 83 is connected to middle cylinder 3 in the present embodiment.Specifically, the casing wall of middle cylinder 3 is opened
Equipped with opening, the edge of opening has the barrel 87 for protruding into outer shell 2, and the stem of inner spool 83 and intermediate spool 82 protrude into cylinder
Body portion 87.
As shown in figure 3, in the present embodiment, had between oil between 82 inner wall of the stem periphery of inner spool 83 and intermediate spool
Gap 88, intermediate spool 82 have the through-hole 89 for being connected to oil-gap 88, second group of mistake of connection through-hole 89 are provided in valve seat 81
Oily channel, second group of oil passage are connected to outer shell 2.Specifically, the diameter of the stem periphery of inner spool 83 is less than intermediate spool 82
The diameter of the corresponding matching part of inner wall, thus gap between the two formed oil-gap 88.Annular is provided in valve seat 81
Perhaps pore forms second group of oil passage annular groove, the both ends of opening or pore are separately connected through-hole 89 and outer for slot, opening
Cylinder 2.As a result, the fluid of outer shell 2 can through second group of oil passage, through-hole 89, cross oil-gap 88 and flow into middle cylinder 3, in middle cylinder 3
Fluid can be flowed into outer shell 2 by oil-gap 88, through-hole, second group of oil passage.
In the present embodiment, at least one in 82 inner wall of the stem periphery of inner spool 83 and intermediate spool makes interior with the conical surface
Spool 83 is crossed oil-gap 88 when intermediate 82 inside spin of spool moves forward or back and is increased or reduced.As shown in figure 3, preferably at one
Embodiment in, the stem of inner spool 83 has one section of conical surface and one section of cylindrical surface, and the conical surface is located at most head end, the diameter of the conical surface
Be gradually increased towards far from the direction of inner casing 4, maximum gauge be less than the cylindrical surface diameter thus in connecting portion form ladder,
The matching part of intermediate 82 inner wall of spool has two sections of cylindrical surfaces, and the diameter on this two sections of cylindrical surfaces of intermediate 82 inner wall of spool is distinguished
Greater than the diameter of 83 stem of inner spool of corresponding position.It should be noted that aforementioned is only a kind of best preferred embodiment,
In its preferred embodiment, the conical surface or inner spool can be all had with the stem periphery of inner spool 83 and intermediate 82 inner wall of spool
83 stem periphery is integrally in the single conical surface rather than one section of conical surface and one section of cylindrical surface, etc., is no longer arranged one by one in the present embodiment
It lifts.
Compared with prior art, crossing oil-gap 88 includes the conical surface, when operator's turning knob 91, drives inner spool 83
It moves forward or back in intermediate 82 inside spin of spool, is increased or reduced with accurately adjusting oil-gap 88, and then accurately adjusted oil
Amount, and can be realized infinitely, continuously adjusted oil mass.And spool is no longer controlled by spring 93, is lowered in different operating conditions
Section 8 spool opening degree of valve is able to maintain stabilization, and long service life.
Preferably, first group of sealing ring 85 is provided between the middle part of inner spool 83 and intermediate spool 82 to be formed to oil liquid
Dynamic sealing.
Preferably, second group of sealing ring 86 is provided between intermediate spool 82 and barrel 87 to be formed to the quiet close of oil liquid
Envelope.
Preferably, third group sealing ring 90 is provided between the periphery and valve seat 81 of intermediate spool 82 to be formed to the quiet of oil liquid
Sealing.Since there is sealing ring in multiple positions, it can be obviously improved the sealing performance of 8 internal structure of regulating valve, prevented because of list
One seal aging is broken to there is oil leak, and regulating valve 8 is made to have more longlasting reliable sealing performance.
Preferably, the side of intermediate spool 82 towards knob 91 is provided with circlip 97, sets between circlip 97 and adapter 84
It is equipped with hard gasket 96, such as steel gasket, and 97 clamping hard gasket 96 of circlip and adapter 84.Due to being provided with circlip
97, it is thus possible to realize being tightly fastened between adapter 84 and intermediate spool 82.Again due between circlip 97 and adapter 84
It is provided with hard gasket 96, on the one hand can prevent sharp wear after the rotation for a long time of adapter 84 from the other hand turning for copper
Joint chair 84, the contact surface between circlip 97 and hard gasket 96 is more more smooth than the contact surface between circlip 97 and adapter 84,
Knob 91 is set to be easier to rotate.
Preferably, intermediate spool 82 has the mounting hole towards adapter 84, is provided with spring 93 and first in mounting hole
Sphere 94, spring 93 abut the first sphere 94, and adapter 84 has multiple locating slots being along the circumferential direction distributed, makes adapter 84
Each locating slot alternating the first sphere 94 of alignment is driven when rotation and the first sphere 94 enters locating slot in the tension force effect of spring 93,
And adapter 84 makes the first sphere 94 leave locating slot when continuing to rotate.As a result, on the one hand convenient for operator according to the first ball
The rotational angle of knob 91 is grasped, remembered to the number that body 94 enters locating slot, on the other hand can be convenient for positioning knob 91, make to adjust
It saves valve 8 and keeps stablizing in the position of long-term vibration environment lower knob 91.
Further preferably, mounting hole is stepped, and the diameter that mounting hole is arranged in spring 93 and the first sphere 94 is lesser
In ladder, the second sphere 95 is installed to interference fit in the ladder of mounting hole being relatively large in diameter, the both ends of spring 93 are supported respectively
Connect the first sphere 94 and the second sphere 95.At no second sphere 95, mounting hole is generally blind hole, not due to spring 93
The first sphere 94 exposes mounting hole under compressive state, in installation spring 93 and the first sphere 94 and assembles intermediate spool 82 and turns
When joint chair 84, the first sphere 94 is difficult to position in assembling process, is easy to fall, and causes assembly efficiency low.Again due to being provided with
Second sphere 95, sets stepped hole for mounting hole, in assembly, can first assemble intermediate spool 82 and adapter 84, then according to
It is secondary that first sphere 94 and spring 93 are put into mounting hole, finally again by the ladder of the second sphere 95 indentation mounting hole being relatively large in diameter
It is interior, the second sphere 95 is installed with being interference fitted in the ladder of mounting hole being relatively large in diameter.It thus can by aforementioned structure
Orientation problem of first sphere 94 in assembling process is dexterously solved, assembly efficiency is obviously improved.
Based on aforementioned structure, this implementation additionally provides a kind of production method of the damper of manually adjustable damping, assembly
Process includes following operation: first assembling adapter 84 and intermediate spool 82, and the first sphere 94 and spring 93 are sequentially put into
In the lesser ladder of the diameter of mounting hole；Again by the ladder of the second sphere 95 indentation mounting hole being relatively large in diameter, make the second ball
Body 95 is installed with being interference fitted in the ladder of mounting hole being relatively large in diameter.
Preferably, piston valve component includes 72 He of upper piston valve block that first group of 75 upper and lower ends of oil passage is arranged in
Lower piston valve block 73, upper piston valve block 72 and lower piston valve block 73 are configured to unidirectionally open in first group of oil passage 75 respectively
Corresponding channel, and opening direction is opposite.Specifically, the upper end of first group of oil passage 75 is arranged in upper piston valve block 72, leads to
Elastic component or self structure characteristic are crossed, first group of oil passage 75 is only opened when piston component 7 is in compression travel, makes oil
Liquid flows into upper cylinder half from the lower cylinder of inner casing 4.The lower end of first group of oil passage 75 is arranged in lower piston valve block 73, passes through elastic component
Or self structure characteristic, first group of oil passage 75 is only opened when piston component 7 is in stretching travel, makes oil liquid from inner casing
4 upper cylinder half flows into lower cylinder.Specifically, upper piston valve block 72, lower piston valve block 73, piston only 71 are fixed on work by nut 74
On stopper rod 1.Since no matter piston component 7 is in compression travel or stretching travel, piston component 7 itself can generate resistance by oil excessively
Buddhist nun's effect, so that the cushioning ability of damper is obviously improved.
Preferably, bushing 76 is provided between piston only 71 and the contact surface of inner casing 4, the wearability of bushing 76, which is greater than, lives
The wearability of plug body 71 is fixedly connected between bushing 76 and piston only 71 by zigzag convex-concave structure, or by other
Structure is fixedly connected.
Bottom valve assembly 6 as one preferred, bottom valve assembly 6 include bottom valve ontology, bottom valve piece and elastic component.Bottom valve piece packet
The upper bottom valve piece that bottom valve ontology upper and lower ends are set and bottom valve block are included, upper bottom valve piece and bottom valve block are configured to unidirectional respectively
Corresponding channel in bottom valve ontology is opened, and opening direction is opposite.Specifically, the upper end of bottom valve ontology is arranged in upper bottom valve piece,
By elastic component or self structure characteristic, only opened when piston component 7 is in stretching travel corresponding logical in bottom valve ontology
Road makes oil liquid flow into inner casing 4 from outer shell 2.The lower end of bottom valve ontology is arranged in bottom valve block, passes through elastic component or self structure
Characteristic only opens corresponding channel in bottom valve ontology when piston component 7 is in compression travel, flows into oil liquid from inner casing 4 outer
Cylinder 2.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Process is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene
In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Aforementioned present invention serial number is for illustration only, does not represent the superiority and inferiority of implement scene.
Disclosed above is only several specific implementation scenes of the invention, and still, the present invention is not limited to this, Ren Heben
What the technical staff in field can think variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of damper of manually adjustable damping, which is characterized in that including piston component, outer shell, middle cylinder, inner casing, bottom
The bottom of the inner casing is arranged in be connected to or close the outer shell and the inner casing in valve module and regulating valve, the bottom valve assembly
Between oil circuit；
The piston component includes piston rod and piston only, and the piston rod is configured to drive the piston only described interior
It is slided in cylinder, the piston only is configured to form the dynamic sealing to oil liquid with the casing wall of the inner casing, the piston only tool
There is first group of oil passage, be configured to open and close the piston valve component of first group of oil passage；
Recirculation hole is provided on the upside of the inner casing to be connected to the middle cylinder, and the middle cylinder is connected to the outer shell, the regulating valve
It is configured to adjust the mistake oil mass between the middle cylinder and the outer shell.
2. the damper of manually adjustable damping according to claim 1, which is characterized in that the regulating valve includes internal valve
Core, intermediate spool, valve seat and knob, the intermediate valve core housing are located at the outside of the inner spool, and the valve seat is set in described
The outside of intermediate spool, the valve seat are fixedly connected on outside the casing wall of the outer shell, the tail portion of the inner spool and the centre
Spool is threadedly coupled, knob internal valve while being configured to drive the inner spool relative to the intermediate valve core rotation
Core is threadingly advanced or retreats in the intermediate valve in-core；
The stem of the inner spool is connected to the middle cylinder, between the stem periphery of the inner spool and the intermediate valve in-core wall
There is oil-gap, the intermediate spool, which has, is connected to the through-hole for crossing oil-gap, is provided with described in connection in the valve seat
Second group of oil passage of through-hole, second group of oil passage are connected to the outer shell；
At least one in the stem periphery of the inner spool and the intermediate valve in-core wall makes the inner spool in institute with the conical surface
The oil-gap of crossing when intermediate valve in-core is threadingly advanced or retreats is stated to increase or reduce.
3. the damper of manually adjustable damping according to claim 2, which is characterized in that the middle part of the inner spool with
It is provided with first group of sealing ring between the intermediate spool and forms dynamic sealing to oil liquid.
4. the damper of manually adjustable damping according to claim 2, which is characterized in that the casing wall of the middle cylinder is opened
Equipped with opening, the edge of the opening has the barrel for protruding into the outer shell, the stem of the inner spool and the intermediate valve
Core protrudes into the barrel, and second group of sealing ring is provided between the intermediate spool and the barrel and is formed to the quiet of oil liquid
Sealing.
5. the damper of manually adjustable damping according to claim 2, which is characterized in that the knob and the internal valve
Adapter is provided between core, the knob is removably secured the connection adapter, and the adapter is removably secured
Connect the inner spool；
Preferably, the head and the tail two sides of the adapter are respectively arranged with card slot, and the knob and the inner spool are respectively engaged with
In the corresponding card slot；
It preferably, further include fastening screw, the fastening screw passes through the knob and is fixed in the adapter, the rotation
Button, the adapter and inner spool center of rotation having the same, the fastening screw deviate the center of rotation；
Preferably, third group sealing ring is provided between the periphery and the valve seat of the intermediate spool to be formed to the quiet close of oil liquid
Envelope.
6. the damper of manually adjustable damping according to claim 5, which is characterized in that the intermediate spool is towards institute
The side for stating knob is provided with circlip, and hard gasket, and the circlip clamping are provided between the circlip and the adapter
The hard gasket and the adapter.
7. the damper of manually adjustable damping according to claim 5, which is characterized in that the intermediate spool has court
To the mounting hole of the adapter, spring and the first sphere are provided in the mounting hole, the spring abuts first ball
Body, the adapter have multiple locating slots being along the circumferential direction distributed, and the adapter is made to drive each positioning when rotating
Slot is alternately aligned first sphere and first sphere acts in the tension force of spring and enters the locating slot, Yi Jisuo
Stating makes first sphere leave the locating slot when adapter continues to rotate.
8. the damper of manually adjustable damping according to claim 7, which is characterized in that the mounting hole is in ladder
In the lesser ladder of diameter that the mounting hole is arranged in shape, the spring and first sphere, the diameter of the mounting hole
Second sphere is installed to interference fit, the both ends of the spring abut first sphere and described respectively in biggish ladder
Second sphere.
9. the damper of manually adjustable damping according to claim 1 to 8, which is characterized in that the piston
Valve block component includes the upper piston valve block and lower piston valve block that first group of oil passage upper and lower ends are arranged in, the upper work
Plug valve piece and the lower piston valve block are configured to unidirectionally open corresponding channel in first group of oil passage respectively, and open
It is contrary.
10. a kind of production method of the damper of manually adjustable damping as claimed in claim 8, which is characterized in that assembly
Process includes following operation:
The adapter and the intermediate spool are first assembled, and first sphere and the spring are sequentially put into the peace
In the lesser ladder of diameter for filling hole；
Second sphere is pressed into the ladder of the mounting hole being relatively large in diameter again, makes second sphere in the installation
It is installed to interference fit in the ladder being relatively large in diameter in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811492630.XA CN109356956B (en) | 2018-12-07 | 2018-12-07 | Shock absorber capable of manually adjusting damping and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811492630.XA CN109356956B (en) | 2018-12-07 | 2018-12-07 | Shock absorber capable of manually adjusting damping and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356956A true CN109356956A (en) | 2019-02-19 |
| CN109356956B CN109356956B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811492630.XA Active CN109356956B (en) | 2018-12-07 | 2018-12-07 | Shock absorber capable of manually adjusting damping and manufacturing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110939677A (en) * | 2019-11-29 | 2020-03-31 | 浙江雷宸智能科技有限公司 | Arm power device damping |
| CN110953281A (en) * | 2019-12-19 | 2020-04-03 | 广州海川汽车配件制造有限公司 | Damper with electromagnetic adjusting device and adjusting method thereof |
| CN111173879A (en) * | 2020-02-19 | 2020-05-19 | 浙江雷宸智能科技有限公司 | Resistance adjusting device and damper |
| CN112283282A (en) * | 2020-11-26 | 2021-01-29 | 重庆耐德中意减振器有限责任公司 | Compression resistance adjustable device |
| CN112503127A (en) * | 2020-11-26 | 2021-03-16 | 广州海川汽车配件制造有限公司 | Self-adaptive variable damping shock absorber |
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| JP2000310267A (en) * | 1999-04-28 | 2000-11-07 | Kayaba Ind Co Ltd | Front fork |
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| CN110939677A (en) * | 2019-11-29 | 2020-03-31 | 浙江雷宸智能科技有限公司 | Arm power device damping |
| CN110953281A (en) * | 2019-12-19 | 2020-04-03 | 广州海川汽车配件制造有限公司 | Damper with electromagnetic adjusting device and adjusting method thereof |
| CN111173879A (en) * | 2020-02-19 | 2020-05-19 | 浙江雷宸智能科技有限公司 | Resistance adjusting device and damper |
| CN112283282A (en) * | 2020-11-26 | 2021-01-29 | 重庆耐德中意减振器有限责任公司 | Compression resistance adjustable device |
| CN112503127A (en) * | 2020-11-26 | 2021-03-16 | 广州海川汽车配件制造有限公司 | Self-adaptive variable damping shock absorber |
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| Publication number | Publication date |
|---|---|
| CN109356956B (en) | 2023-11-21 |
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