CN110397700A - The method and cavity structure of liquid cavity are formed by adding spacer sleeve in fFour piece type - Google Patents
The method and cavity structure of liquid cavity are formed by adding spacer sleeve in fFour piece type Download PDFInfo
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- CN110397700A CN110397700A CN201910816765.5A CN201910816765A CN110397700A CN 110397700 A CN110397700 A CN 110397700A CN 201910816765 A CN201910816765 A CN 201910816765A CN 110397700 A CN110397700 A CN 110397700A
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- Prior art keywords
- spacer sleeve
- piece type
- rubber
- runner
- ffour piece
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- 239000007788 liquid Substances 0.000 title claims abstract description 97
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004073 vulcanization Methods 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 201000008482 osteoarthritis Diseases 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
Abstract
The invention discloses a kind of methods and cavity structure that liquid cavity is formed by adding spacer sleeve in fFour piece type, wherein method is first to add spacer sleeve in fFour piece type in mandrel and housing, then it hollows out to form multiple spaces on spacer sleeve in fFour piece type, it will be bonded together between spacer sleeve and mandrel by the vulcanization of rubber in fFour piece type again, form mutually independent multiple liquid cavities using spacer sleeve in rubber and fFour piece type.The present invention can provide lesser radial rigidity and biggish axial rigidity, while realize the biggish output ratio of Q-switching to free running, to optimize the properties of product of liquid rubber composite node.
Description
Technical field
The present invention relates to the forming methods and structure of liquid cavity in a kind of liquid rubber composite node, more particularly to one kind
The method and cavity structure of liquid cavity are formed by adding spacer sleeve in fFour piece type.
Background technique
According to demanding kinetics pivoted arm node at straight line high-speed cruising (high-frequency vibration), biggish radial rigidity is provided and is protected
Operation stability is demonstrate,proved, critical speed is improved；When crossing curve (low frequency large amplitude), lesser rigidity property is provided and guaranteed curve
Performance reduces abrasion；Ordinary node is difficult to realize above-mentioned characteristic, and especially for old route, wheel track and route abrasion are larger, maintenance
It is at high cost, it is therefore desirable to be provided simultaneously with above-mentioned characteristic-liquid rubber composite node using a kind of new product.
The compound pivoted arm node working principle of liquid rubber: mainly by two hollow molded cavity knot of rubber components interior design
Two cavitys are connected to by structure by runner design, seal incompressible (viscosity) liquid in a type intra-bladder instillation in advance.In load
The volume acted in lower two cavitys changes, and liquid flows generation damping between the two chambers, consumes vibrational energy, reaches decaying
The purpose of vibration.When low-frequency vibration, liquid is flowed up and down through channel, plays big damping, and high-frequency section liquid has little time
Flowing, damping value is smaller, is effectively isolated vibration, and dynamic stiffness is basicly stable under high-frequency vibration remains unchanged, and plays anti-dynamic
The effect of hardening.The frequency ratio of system is held essentially constant, and still plays good effectiveness in vibration suppression.
By retrieval, it is as follows to find relevant domestic patent document:
1, notification number CN102644693A, the day for announcing are that the Chinese invention patent on the 22nd of August in 2012 discloses a kind of band liquid
Body damping rubber joint dynamic stiffness adjusting method is equipped with more than two closed cavities, closed cavity and envelope in rubber arthrosis
It closes between cavity and is interconnected by throttling passage, and the adjusting of setting control throttling passage area of passage fills on throttling passage
It sets, the size of throttling passage is adjusted by regulating device, to reach the size for adjusting damping force, it is dynamic to obtain required rubber arthrosis
Rigidity.
2, notification number CN105501242A, the day for announcing are that the Chinese invention patent on April 20th, 2016 discloses one kind
Rubber nodal point comprising: mandrel, housing and rubber layer；The rubber layer is filled between the mandrel and housing, the rubber
Layer is that symmetrical two sides offer the first cavity and the second cavity respectively with mandrel, is provided with described in connection in the rubber nodal point
First communicating passage of the first cavity and the second cavity is marked with liquid and the liquid not in first cavity and the second cavity
Full of first cavity and the second cavity.
3, notification number CN204845947U, the day for announcing are that the Chinese utility model patent on December 9th, 2015 discloses
A kind of axle box nodes a comprising mandrel, an elastic external member, a shell open up one in the middle part of the mandrel through the mandrel
Through-hole, the elastic external member is sheathed on the outer wall of the mandrel, has one first cavity, one second chamber on the elastic external member
Body, the bottom of first cavity, second cavity bottom be connected to form a cavity body with the both ends of the through-hole respectively,
There is liquid, the shell is sheathed on the outside of the elastic external member in the cavity body.
4, notification number CN109455191A, the day for announcing are that the Chinese invention patent on March 12nd, 2019 discloses one kind
Variation rigidity pivoted arm node, pivoted arm node include housing, main spring, auxiliary spring, mandrel, and mandrel surface winds oil liquid pipeline, main spring by
Rubber and the vulcanization of metalwork two parts are integral, and metalwork part and the mandrel of main spring are press fit together, the both ends press fitting of main spring
There is auxiliary spring, auxiliary spring is also corresponding with main spring integral by rubber and the vulcanization of metalwork two parts, main spring and auxiliary spring
Periphery is pressed with housing, using mandrel as symmetry axis, sets two oil pockets between housing and main spring, two oil pockets respectively with it is corresponding
The two-port of oil liquid pipeline communicates.
The forming method of liquid cavity in above patent document is all different with the technical solution in the application.
To sum up, it is badly in need of designing a kind of method and cavity structure for forming liquid cavity, it is rigid that lesser radial direction can be provided
Degree and biggish axial rigidity, while realizing the biggish output ratio of Q-switching to free running, to optimize the properties of product of liquid rubber composite node.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies in the prior art, provide one kind by adding four
Spacer sleeve forms the method and cavity structure of liquid cavity in flap-type, can provide lesser radial rigidity and biggish axial direction is rigid
Degree, while realizing the biggish output ratio of Q-switching to free running, to optimize the properties of product of liquid rubber composite node.
In order to solve the above technical problems, the technical solution used in the present invention are as follows: one kind is spaced by adding in fFour piece type
The method for forming liquid cavity is covered, is first to add spacer sleeve in fFour piece type in mandrel and housing, then among fFour piece type
It hollows out to form multiple spaces on spacer, then will be bonded together between spacer sleeve and mandrel by the vulcanization of rubber in fFour piece type, benefit
Mutually independent multiple liquid cavities are formed with spacer sleeve in rubber and fFour piece type.
Preferably, the specific forming method of the liquid cavity is first to dig out multiple spaces on spacer sleeve in fFour piece type,
Its outboard end and inner end are openning shape；
After it will be bonded together between spacer sleeve by the vulcanization of rubber in mandrel and fFour piece type, sealed using the rubber after vulcanization
Block the inner end port in space；A curved cover plate is covered on spacer sleeve in the fFour piece type after hollowing out, utilizes curved cover plate
Block the outboard end port in space, so that each space is respectively formed independent liquid cavity.
Preferably, it is provided with stage portion on spacer sleeve in the fFour piece type of space outboard end open circumferential, stage portion is along space
A whole circle is arranged in outside end opening, and curved cover plate covers in stage portion.
Preferably, when by being bonded together between spacer sleeve by the vulcanization of rubber in mandrel and fFour piece type, by rubber bag
On glue to stage portion, then curved cover plate is covered in stage portion, so that curved cover plate is in contact with encapsulated in stage portion, then will
Spacer sleeve is interference fitted into housing in fFour piece type with curved cover plate, using the active force generated after assembly by curved cover plate
It is pressed in stage portion.
Preferably, there are two the liquid cavity settings, two liquid cavities are separately positioned in fFour piece type in spacer sleeve
About on the upper and lower two arcs valve body of mandrel being axially and symmetrically arranged.
Preferably, it is connected between two liquid cavities by runner, the forming method of the runner are as follows: be arranged to housing
Inside and outside two, internal housing is runner housing, and outer jacket is integral sleeve, and stream is provided on the outer peripheral surface of runner housing
Road slot, flow path groove are surrounded and are distributed on the outer peripheral surface of runner housing；Integral sleeve is assembled on the outer peripheral surface of runner housing, benefit
The notch for sealing up flow path groove is blocked with the inner peripheral surface of integral sleeve, forms runner, one end of runner and a liquid cavity phase
Connection, the other end of runner are connected with another cavity.
Preferably, it is provided with runner through-hole on the slot bottom at the both ends of flow path groove, cover plate through hole is provided on curved cover plate,
Runner through-hole and cover plate through hole are interconnected, so that being got up between two liquid cavities by runner connection.
Preferably, if the diameter of cover plate through hole is R1, runner through-hole diameter is R2, then R1 < R2.
Preferably, before not assembled, there are gaps between the both ends end face close to each other of adjacent each valve body
E, after being assembled, gap E disappears, and the both ends end face close to each other of each valve body contacts with each other；In rubber and it is located at
Also there are opened gap F at each gap E, and after being assembled, the rubber that opened gap F is deformed is filled up, so that between opening
Gap F vanishes from sight.
It further include being arranged between housing and mandrel invention additionally discloses a kind of cavity structure, including housing and mandrel
FFour piece type in spacer sleeve, bonded together between spacer sleeve and mandrel by the vulcanization of rubber in fFour piece type, among fFour piece type
It hollows out to form multiple spaces on spacer, after vulcanization, forms mutually independent multiple liquid using rubber and the multiple space
Cavity.
The beneficial effects of the present invention are: after the present invention in the fFour piece type added on spacer sleeve by hollowing out and vulcanizing
Rubber forms multiple independent liquid cavities that can store liquid, can provide lesser radial rigidity in this way and biggish axial direction is rigid
Degree, while realizing the biggish output ratio of Q-switching to free running, to optimize the properties of product of liquid rubber composite node.By to the runner side of being formed
The design of method, one is easy for assembling, second is that ensure that liquid in outer groove runner can only along designed flow path groove path flows,
Channelling phenomenon will not occur, further improve the reliability of product.By the design to the specific forming method of liquid cavity, make
Obtaining liquid cavity can smoothly form, and ensure that product quality.By the design to spacer sleeve assembling structure and technique in fFour piece type,
After the completion of ensure that elastic conjunction, is directly contacted between the both ends end face close to each other of adjacent each valve body, do not have rubber
Glue involve in wherein can be further improved assembly after product performance.Spacer sleeve in fFour piece type is designed using non-equal part, as far as possible
The volumetric spaces for expanding liquid cavity.
Detailed description of the invention
Fig. 1 is the node the schematic diagram of the section structure in the embodiment of the present invention along mandrel radial direction；
Fig. 2 is the schematic cross-sectional view of the line A-A along Fig. 1；
Fig. 3 is the schematic view of the front view of runner housing in the embodiment of the present invention；
Fig. 4 is the enlarged structure schematic diagram in the portion B in Fig. 1；
Fig. 5 is the enlarged structure schematic diagram in the portion C in Fig. 2；
Fig. 6 is the schematic diagram of the section structure of the spacer sleeve along the fFour piece type of mandrel radial direction in the embodiment of the present invention；
Fig. 7 is the enlarged structure schematic diagram in the portion D in Fig. 1；
Fig. 8 be in fFour piece type spacer sleeve it is unassembled into housing when, the enlarged structure schematic diagram in Fig. 1 at the portion D；
In figure: 1. housings, 111. runner housings, 112. integral sleeves, 1121. housing turn-up portions, 2. mandrels, 211. cores
Crown of roll block, spacer sleeve in 3. fFour piece types, 311. left arc valve bodies, 312. right arc valve bodies, arc valve body on 313., 314.
Arc lower valve body, 4. rubber, 411. rubber blocks, 412. interlude rubber, 413. end rubber, 414. rubber convex blocks, 5.
Liquid cavity, 6. flow path grooves, 611. horizontal run slots, 612. vertical run slots, 613. closing in flow path grooves one, 614. receive
Mouth flow path groove two, 615. closing in flow path grooves three, 47. runner through-holes one, 8. runner through-holes two, 9. curved cover plates, 911. lids
Plate through-hole, 912, convex blocks, 10. stage portions, 11. sealing rings, 12. liquid injection holes, 13. stage portions one, 14. stage portions two,
15. end part seal circle.
Specific embodiment
Further details of elaboration is done to technical solution of the present invention in the following with reference to the drawings and specific embodiments.
Embodiment: as depicted in figs. 1 and 2, liquid rubber composite node according to the present invention includes housing 1,2 and of mandrel
Spacer sleeve 3 in the fFour piece type between housing 1 and mandrel 2 is added, spacer sleeve 3 in fFour piece type is vulcanized with mandrel 2 by rubber 4
It bonds together, then spacer sleeve and mandrel in the fFour piece type for forming one is assembled in housing 1；Runner is set in housing 1,
It hollows out to form multiple spaces on spacer sleeve 3 in fFour piece type, after vulcanization, be formed mutually using rubber 4 and the multiple space
Independent multiple liquid cavities 5 are provided between liquid (not shown) and multiple liquid cavities 5 in multiple liquid cavities 5
It is connected by runner.
A kind of method forming liquid cavity by adding spacer sleeve in fFour piece type provided in the present embodiment, be
It hollows out to form multiple spaces on spacer sleeve 3 in fFour piece type, then will pass through 4 sulphur of rubber in fFour piece type between spacer sleeve 3 and mandrel 2
Change bonds together, and forms mutually independent multiple liquid cavities 5 using spacer sleeve 3 in rubber 4 and fFour piece type.By with upper
The node for stating the liquid cavity of method formation, can provide biggish axial rigidity, realize the biggish output ratio of Q-switching to free running, to optimize liquid
The properties of product of body rubber composite node.
Applicant is as follows by the way that several samples are carried out test data:
| Radial rigidity | Axial rigidity | The output ratio of Q-switching to free running | |
| Sample 1 | 5.68 | 13.16 | 6.5:1 |
| Sample 2 | 5.57 | 12.62 | 7:1 |
| Sample 3 | 5.54 | 12.38 | 6:1 |
| Sample 4 | 5.34 | 13.02 | 6:1 |
| Sample 5 | 5.25 | 11.68 | 5:1 |
As shown in Fig. 1, Fig. 3 and Fig. 5, in the present embodiment, there are two (the tops being located above as shown in figure 1 for liquid cavity setting
Liquid cavity and underlying lower section liquid cavity), the forming method of liquid cavity is as follows: first spacer sleeve 3 in fFour piece type
On dig out two spaces (space X 1 and X2 as shown in figure 1), space X 1 and space X 2 are similar to through hole shape, outboard end and interior
Side is openning shape, and herein, the one end that will be close to the space of 2 side of mandrel regards inner end as, will be far from 2 side of mandrel
The one end in space regards outboard end as, in order to guarantee that liquid cavity can store liquid, needs to carry out the both ends open in each space
Sealing is so that each space shapes independently of each other, is to utilize when space inner end opening is sealed in the present embodiment
What rubber 4 was sealed, it may be assumed that when by mandrel 2 in fFour piece type between spacer sleeve 3 by together with 4 bonding by Vulcanization of rubber after,
By design, the inner end port in space is blocked using the rubber 4 after vulcanization；When end opening on the outside of space is sealed,
It is to cover a curved cover plate 9 on spacer sleeve 3 in the fFour piece type after hollowing out, the outside in space is blocked using curved cover plate 9
Hold port, so that each space is respectively formed independent liquid cavity.Among the fFour piece type of space outboard end open circumferential
Stage portion 10 is provided on spacer 3, a whole circle is arranged in the end opening on the outside of space of stage portion 10, and curved cover plate 9 is covered in stage portion 10
On, an effect of stage portion 10 is for positioning assembly convenient for curved cover plate 9 as location structure.In the present embodiment, core
Axis, housing, spacer sleeve and curved cover plate can be used metal material and be made in fFour piece type.
As shown in figure 5, the leakproofness of the outboard end port in order to further ensure space, it is also necessary to by with encapsulated and pressure
The mode of dress matches to complete, i.e., in the present embodiment, housing 1 includes runner housing 111 and integral sleeve 112, when encapsulated
Rubber is encapsulated in stage portion 10, and encapsulated thickness herein can be configured according to the actual situation.When assembly, before this by core
Spacer sleeve 3 is vulcanized integrally by rubber 4 in axis 2 and the fFour piece type hollowed out, and rubber is encapsulated in stage portion 10, then in step
Curved cover plate 9 is covered in portion 10, so that curved cover plate 9 is in contact with encapsulated in stage portion 10, then will be with curved cover plate 9
Spacer sleeve 3 is interference fitted into runner housing 111 in fFour piece type, is compressed curved cover plate 9 using the active force generated after assembly
In stage portion 10, so that encapsulated in stage portion 10 is deformed, sealing effect is played, finally by 111 interference of runner housing
It is assembled in integral sleeve 112, further increases sealing performance.It, can also be further to it after integral sleeve 112 assembles
Certain cut-off is designed, sealing effect is further increased.
As shown in fig. 6, spacer sleeve 3 includes left arc valve body 311, right arc valve body 312, upper arc valve body in fFour piece type
313 and arc lower valve body 314, four valve bodies be circumferentially enclosed spacer.As shown in figure 8, when spacer sleeve and mandrel in fFour piece type
Before not carrying out elastic conjunction after being bonded by the vulcanization of rubber, stayed between the both ends end face close to each other of adjacent each valve body
Have the gap E between one end of left arc valve body 311 and one end of arc lower valve body 314 in gap E(such as Fig. 8), in rubber 4
In and be located at each gap E at also there are opened gap F；But after node elastic conjunction is good, as shown in fig. 7, being acted on
Under the influence of power, gap E and adjacent opened gap F vanish from sight, i.e., the both ends end face phase close to each other of each valve body
Mutually contact, the rubber 4 that opened gap F is also deformed fill up, and can be further improved the performance of product after assembly in this way.Such as Fig. 8 institute
Show, in the present embodiment, opened gap F is U-shaped groove, and the opening of the U-shaped groove is towards the two sides of gap E and U-shaped groove
Along fFour piece type the extended extended line of the radial direction of spacer sleeve respectively be located at gap E at two valve bodies both ends close to each other
End face coincides, and the depth of U-shaped groove is designed according to practical set operating condition.It can guarantee dress by the way that opened gap F is arranged
After matching, the both ends end face close to each other of each valve body is mutually directly contacted, between do not have rubber and involve in wherein.
In fFour piece type in the design of spacer sleeve, equal part design can be used, can also be designed using non-equal part, in this implementation
In example, using the design of non-equal part, i.e., using the central point of spacer sleeve in fFour piece type as dot, multiple arcs valve body is corresponding
Center of circle angle be it is unequal, as shown in fig. 6, the radian of upper arc valve body 313 and the corresponding center of circle angle of arc lower valve body 314
It is set as α, left arc valve body 311 and the corresponding center of circle angle of right arc valve body 312 are set as β, and α > β.This is because at this
In embodiment, the arc valve body hollowed out is the radian and arc lower valve body 314 of upper arc valve body 313, after hollowing out, along upper arc valve
314 direction of radian and arc lower valve body (i.e. in figure Y to) of body 313 is sky to along left arc valve body 311 and right arc valve body
312 directions (i.e. in figure X to) are real to increasing as far as possible by the radian of empty upward arc valve body, can increase liquid cavity as far as possible
Volume, to be conducive to the promotion of properties of product.In addition, can reduce it is empty to radial rigidity.In the present embodiment, α is adopted
With 120 degree, β uses 60 degree.
The valve body hollowed out can be any valve body in fFour piece type in spacer sleeve, and in the present embodiment, being will be about mandrel 2
The upper arc valve body 313 that is axially and symmetrically arranged radian and the cavate liquid cavity of arc lower valve body 314.
As shown in Fig. 2, what mandrel 2 was formed by, using the central axis N of mandrel 2 as bus, with both ends height, intermediate bottom
Saddle face G be the surfaces of revolution be formed by a mandrel.Setting mandrel in this way makes in mandrel and fFour piece type between spacer sleeve
Rubber 4 be divided into two parts, a part of rubber is interlude rubber 412, and another part is positioned at 412 both ends of interlude rubber
End rubber 413, interlude rubber 412 is set as radial thickness H1 along the thickness of mandrel radially, and end rubber 413 is along mandrel
Thickness in axial direction is set as axial width H2.At work, interlude rubber 412 mainly provides radial rigidity, end rubber 413
It is main that axial rigidity is provided, it in this way can radial rigidity and axial direction to node by adjusting radial thickness H1 and axial width H2
Rigidity is adjusted.
Liquid injection hole 12 is additionally provided on mandrel 2, liquid injection hole 12 is connected with liquid cavity 5, and when just starting, liquid passes through
Liquid injection hole 12 injects in liquid cavity 5, then seals.
At work, two liquid cavities need to be connected to by runner, to guarantee that liquid can be in two liquid cavities
Between come, reflux it is dynamic.Runner in the present embodiment is arranged in housing 1, as shown in Figure 3 and Figure 5, the forming method of runner
It is as follows: housing 1 to be arranged to inside and outside two, internal housing is runner housing 111, and outer jacket is integral sleeve 112, is being flowed
Flow path groove 6 is provided on the outer peripheral surface of road housing 111, flow path groove 6 is in the shape of a spiral around the outer peripheral surface for being distributed in runner housing 111
On, herein, flow path groove 6 can not also surround in the shape of a spiral, but be arranged with other shapes.Integral sleeve 112 is sleeved on stream
On road housing 111, the notch for sealing up flow path groove is blocked using the inner peripheral surface of integral sleeve 112, outer groove runner is formed, so that liquid
Body can only be flowed along the helix length direction of screw-shaped flow paths slot 6.Since flow path groove is helical form and its notch is open state,
Therefore, the effect that can only be flowed along the helix length direction of screw-shaped flow paths slot for guarantee liquid, need the notch to flow path groove
It is sealed, prevents from placing liquid lateral channelling between screw-shaped flow paths slot, for the present embodiment in assembly, runner housing is logical
It is interference fitted into integral sleeve, after elastic conjunction, using the binding force between runner housing and outer jacket, will flow
The notch of road slot seals up, so that liquid can only be flowed along the helix length direction of screw-shaped flow paths slot, and cannot be in helical form
Lateral channelling, further improves the reliability of product between flow path groove.
It is provided with runner through-hole 1 on the slot bottom of 6 one end of flow path groove, is provided with stream on the other end of slot bottom of flow path groove 6
Road through-hole 28 is connected with a liquid cavity 5 and by runner through-hole 28 and another liquid by runner through-hole 1
Body cavity 5 is connected, thus by being connected between multiple liquid cavities 5 by outer groove runner.
A cover plate through hole 911 is additionally provided on curved cover plate 9, this cover plate through hole 911 is arranged on curved cover plate 9
Position be to be arranged according to the position of the runner through-hole of 6 end of flow path groove, that is, cover plate through hole 911 and runner after setting
Through-hole is interconnected, i.e., by one end end of cover plate through hole 911 and flow path groove 6 on the curved cover plate 9 in a liquid cavity
Runner through-hole 1 be interconnected, by the curved cover plate 9 in another liquid cavity cover plate through hole 911 and flow path groove 6
Other end end runner through-hole 28 be interconnected.When setting, the port of cover plate through hole can be made in its radially projecting
View field of the port of view field and runner through-hole on face on its radially projecting face is mutually completely coincident or part weight
It closes, in the present embodiment, is that the diameter R1 of cover plate through hole is set smaller than runner through-hole diameter R2, easily facilitates dress in this way
Match.
On the outer peripheral surface of curved cover plate 9 and it is located at the outside of cover plate through hole and is additionally provided with seal groove, in seal groove
It is placed with sealing ring 11, before not carrying out elastic conjunction, the height of sealing ring 11 is higher than the groove depth of seal groove, carries out elastic conjunction
Afterwards, the compression of sealing ring 11 is filled up into seal groove, sealing structure formed here using active force.
To sum up, the present invention forms multiple independences with the rubber after vulcanization by hollowing out on spacer sleeve in the fFour piece type added
The liquid cavity that can store liquid, lesser radial rigidity and biggish axial rigidity can be provided in this way, while realizing larger
The output ratio of Q-switching to free running, to optimize the properties of product of liquid rubber composite node.By the design to runner forming method, first is that just
In assembly, second is that ensure that channelling can only will not occur for liquid existing along designed flow path groove path flows in outer groove runner
As further improving the reliability of product.By the design to the specific forming method of liquid cavity, enable liquid cavity suitable
Benefit is formed, and ensure that product quality.By the design to spacer sleeve assembling structure and technique in fFour piece type, elastic conjunction ensure that
After the completion, it is directly contacted between the both ends end face close to each other of adjacent each valve body, does not have rubber and involve in wherein, it can be into
One step improves the performance of product after assembly.Spacer sleeve in fFour piece type is designed using non-equal part, expands liquid-containing air as far as possible
The volumetric spaces of chamber.
" multiple " described in the present embodiment refer to the quantity of " two or more ".Above embodiments are only for illustrating this
Invention is used, rather than limitation of the present invention, and person skilled in the relevant technique is not departing from the spirit and scope of the present invention
In the case where, it can also make a variety of changes or convert, therefore all equivalent technical solutions also should belong to guarantor of the invention
Range is protected, protection scope of the present invention should be limited by each claim.
Claims (10)
1. a kind of method for forming liquid cavity by adding spacer sleeve in fFour piece type, it is characterised in that: its be first in mandrel and
Housing adds spacer sleeve in fFour piece type, then hollows out to form multiple spaces on spacer sleeve in fFour piece type, then will be in fFour piece type
It is bonded together, is formed using rubber with spacer sleeve in fFour piece type mutually independent by the vulcanization of rubber between spacer sleeve and mandrel
Multiple liquid cavities.
2. according to the method described in claim 1, it is characterized by: the specific forming method of the liquid cavity is first in pintongs
Multiple spaces are dug out in formula on spacer sleeve, outboard end and inner end are openning shape；
After it will be bonded together between spacer sleeve by the vulcanization of rubber in mandrel and fFour piece type, sealed using the rubber after vulcanization
Block the inner end port in space；A curved cover plate is covered on spacer sleeve in the fFour piece type after hollowing out, utilizes curved cover plate
Block the outboard end port in space, so that each space is respectively formed independent liquid cavity.
3. according to the method described in claim 2, it is characterized by: in the fFour piece type of space outboard end open circumferential spacer sleeve
On be provided with stage portion, a whole circle is arranged in stage portion end opening on the outside of space, and curved cover plate covers in stage portion.
4. according to the method described in claim 3, it is characterized by: when rubber will be passed through between spacer sleeve in mandrel and fFour piece type
Bonding by Vulcanization together when, it is rubber is encapsulated in stage portion, then curved cover plate is covered in stage portion so that curved cover plate with
Encapsulated in stage portion is in contact, then spacer sleeve in the fFour piece type with curved cover plate is interference fitted into housing, utilizes dress
Curved cover plate is pressed in stage portion by the active force generated after matching.
5. according to the method described in claim 4, it is characterized by: the liquid cavity setting there are two, two liquid cavities
It is separately positioned in fFour piece type in spacer sleeve about on the upper and lower two arcs valve body of mandrel being axially and symmetrically arranged.
6. according to the method described in claim 5, it is characterized by: being connected between two liquid cavities by runner, the stream
The forming method in road are as follows: housing is arranged to inside and outside two, internal housing is runner housing, and outer jacket is integral sleeve, In
Flow path groove is provided on the outer peripheral surface of runner housing, flow path groove is surrounded and is distributed on the outer peripheral surface of runner housing；By integral sleeve
It is assembled on the outer peripheral surface of runner housing, the notch for sealing up flow path groove is blocked using the inner peripheral surface of integral sleeve, form runner,
One end of runner is connected with a liquid cavity, and the other end of runner is connected with another cavity.
7. according to the method described in claim 6, leading to it is characterized by: being provided with runner on the slot bottom at the both ends of flow path groove
Hole, is provided with cover plate through hole on curved cover plate, and runner through-hole and cover plate through hole are interconnected so that two liquid cavities it
Between by runner connection get up.
8. according to the method described in claim 7, it is characterized by: setting the diameter of cover plate through hole as R1, runner through-hole diameter is
R2, then R1 < R2.
9. method according to any one of claims 4 to 7, it is characterised in that: each of adjacent before not assembled
There are gap E between the both ends end face close to each other of valve body, after being assembled, gap E disappear, each valve body it is mutual
Close both ends end face contacts with each other；Also there are opened gap F in rubber and at each gap E, after being assembled,
The rubber that opened gap F is deformed fills up, so that opened gap F vanishes from sight.
10. a kind of cavity structure, including housing and mandrel, it is characterised in that: further include four be arranged between housing and mandrel
Spacer sleeve in flap-type is bonded together between spacer sleeve and mandrel by the vulcanization of rubber in fFour piece type, the spacer sleeve in fFour piece type
On hollow out to form multiple spaces, after vulcanization, form mutually independent multiple liquid cavities using rubber and the multiple space.
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Cited By (1)
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| CN111706638A (en) * | 2020-05-27 | 2020-09-25 | 株洲时代新材料科技股份有限公司 | Hydraulic composite bushing and sealing method thereof |
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