阅读说明：本技术 一种通过增设整体式中间隔套形成液体空腔的方法 (A method of liquid cavity is formed by adding spacer sleeve in monoblock type ) 是由 冯万盛 程海涛 曾先会 黄江彪 陈俊辉 张玉祥 李静 张国青 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种通过增设整体式中间隔套形成液体空腔的方法,其是先在芯轴和外套之增设整体式中间隔套,然后在整体式中间隔套上挖空形成多个空间,再将整体式中间隔套和芯轴之间通过橡胶硫化粘接在一起,利用橡胶与整体式中间隔套形成相互独立的多个液体空腔。本发明能提供较小的径向刚度及较大的轴向刚度,同时实现较大的动静比,从而优化液体橡胶复合节点的产品性能。(The invention discloses a kind of by adding the method that spacer sleeve forms liquid cavity in monoblock type, it is first to add spacer sleeve in monoblock type in mandrel and housing, then it hollows out to form multiple spaces on spacer sleeve in monoblock type, it will be bonded together between spacer sleeve and mandrel by the vulcanization of rubber in monoblock type again, form mutually independent multiple liquid cavities using spacer sleeve in rubber and monoblock 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.)

1. a kind of method for forming liquid cavity by adding spacer sleeve in monoblock type, it is characterised in that: its be first in mandrel and Housing adds spacer sleeve in monoblock type, then hollows out to form multiple spaces on spacer sleeve in monoblock type, then will be in monoblock type It is bonded together, is formed using rubber with spacer sleeve in monoblock 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 entirety 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 monoblock 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 monoblock 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 monoblock 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 monoblock 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 monoblock 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. method as claimed in any of claims 1 to 4, it is characterised in that: the multiple space is set as two It is a, pass through runner between two liquid cavities and is connected to, the forming method of the runner are as follows: housing is arranged to inside and outside two, it is interior Portion's housing is runner housing, and outer jacket is integral sleeve, and flow path groove is provided on the outer peripheral surface of runner housing, and flow path groove encloses On the outer peripheral surface for being distributed in runner housing；Integral sleeve is assembled on the outer peripheral surface of runner housing, utilizes integral sleeve Inner peripheral surface blocks the notch for sealing up flow path groove, forms runner, and one end of runner is connected with a liquid cavity, runner it is another Outer one end is connected with another cavity.

6. according to the method described in claim 5, it is characterized by: being provided on the both ends of spacer sleeve in monoblock type continuous The stage portion one and stage portion two of shape, are placed with end part seal circle in stage portion two, prolong on one end end face of integral sleeve It stretches and is provided with housing turn-up portion, using in housing turn-up portion flange bending to stage portion one, end part seal circle is compressed.

7. method as claimed in any of claims 1 to 4, it is characterised in that: the multiple space is set as two It is a, it is connected between two liquid cavities by runner, the forming method of the runner are as follows: mandrel is arranged to inside and outside two portions Point, inside is mandrel ontology, and outside is mandrel housing, flow path groove is provided on the outer peripheral surface of mandrel ontology, flow path groove surrounds It is distributed on the outer peripheral surface of mandrel ontology, mandrel coat suit is blocked close on mandrel ontology using the inner peripheral surface of mandrel housing The notch of flow path groove is sealed, runner is formed；It is also opened on set outside mandrel there are two mandrel through-hole, mandrel ontology and mandrel are set with outside After preparing, one end of one of mandrel through-hole is connected with one end of flow path groove, one end of another mandrel through-hole and stream The other end of road slot is connected, and the other end of one mandrel through-hole is connected with a liquid cavity, and in addition one The other end of a mandrel through-hole is connected with another liquid cavity, to will pass through runner phase between two liquid cavities Connection is got up.

8. method as claimed in any of claims 1 to 4, it is characterised in that: the multiple space is set as two It is a, it is connected between two liquid cavities by runner, the forming method of the runner are as follows: perforation mandrel is provided on mandrel Through-hole is damped, runner is formed using damping through-hole, to will be connected between two liquid cavities by runner by runner Come.

9. method as claimed in any of claims 1 to 4, it is characterised in that: the multiple space is set as two It is a, it is connected between two liquid cavities by runner, the forming method of the runner are as follows: mandrel is arranged to inside and outside two parts, Inside is mandrel ontology, and outside is mandrel housing, and mandrel ontology is assembled in mandrel housing；It is set on the outer peripheral surface of mandrel ontology It is equipped with flow path groove, flow path groove, along the length direction of flow path groove, is set around being distributed on the outer peripheral surface of mandrel ontology in flow path groove It is equipped with tube body, forms runner, the both ends of tube body are connected with multiple liquid cavities respectively, to pass through runner for two liquid-containing airs It is connected between chamber by runner.

10. according to the method described in claim 9, it is characterized by: along mandrel ontology circumferentially in the outer peripheral surface of mandrel ontology On be provided with the recess region of a whole circle, flow path groove is arranged in the groove bottom of recess region, when tube body is placed into flow path groove In after, then pressing sleeve is set in recess region, tube body is pressed in flow path groove.

Technical field

The present invention relates to a kind of method by adding spacer sleeve formation liquid cavity in monoblock type, more particularly to one kind are logical Cross the method for adding that spacer sleeve forms liquid cavity in monoblock 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 for forming liquid cavity, lesser radial rigidity and biggish can be provided 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

It is a kind of whole by adding the technical problem to be solved by the present invention is in view of the deficiencies in the prior art, provide The method that spacer sleeve forms liquid cavity in body formula can provide lesser radial rigidity and biggish axial rigidity, while real The existing 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 monoblock type The method for forming liquid cavity is covered, is first to add spacer sleeve in monoblock type in mandrel and housing, then among monoblock 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 monoblock type, benefit Mutually independent multiple liquid cavities are formed with spacer sleeve in rubber and monoblock type.

Preferably, the specific forming method of the liquid cavity is first to dig out multiple spaces on spacer sleeve in monoblock 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 monoblock 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 monoblock 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 monoblock 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 monoblock 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 monoblock type with curved cover plate, using the active force generated after assembly by curved cover plate It is pressed in stage portion.

Preferably, the multiple space is set as two, is connected between two liquid cavities by runner, the runner Forming method are as follows: housing is arranged to inside and outside two, internal housing is runner housing, and outer jacket is integral sleeve, in runner Flow path groove is provided on the outer peripheral surface of housing, flow path groove is surrounded and is distributed on the outer peripheral surface of runner housing；Integral sleeve is assembled Onto 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, forms runner, runner One end be connected with a liquid cavity, the other end of runner is connected with another cavity.

Preferably, the stage portion one and stage portion two of sequential like, In are provided on the both ends of spacer sleeve in monoblock type End part seal circle is placed in stage portion two, being extended on one end end face of integral sleeve has housing turn-up portion, using outer It covers in turn-up portion flange bending to stage portion one, end part seal circle is compressed.

Preferably, the multiple space is set as two, is connected between two liquid cavities by runner, the runner Forming method are as follows: mandrel is arranged to inside and outside two parts, inside is mandrel ontology, and outside is mandrel housing, in mandrel ontology Outer peripheral surface on be provided with flow path groove, flow path groove is around being distributed on the outer peripheral surface of mandrel ontology, and mandrel coat suit is in mandrel On ontology, the notch for sealing up flow path groove is blocked using the inner peripheral surface of mandrel housing, forms runner；It is also provided on set outside mandrel After two mandrel through-holes, mandrel ontology and mandrel housing assemble, one end of one of mandrel through-hole and one end of flow path groove It is connected, one end of another mandrel through-hole is connected with the other end of flow path groove, and one mandrel through-hole is another Outer one end is connected with a liquid cavity, and the other end of another mandrel through-hole is connected with another liquid cavity It is logical, thus by being connected between two liquid cavities by runner.

Preferably, the multiple space is set as two, is connected between two liquid cavities by runner, the runner Forming method are as follows: be provided with the damping through-hole of perforation mandrel on mandrel, runner formed using damping through-hole, to pass through runner It will be connected between two liquid cavities by runner.

Preferably, the multiple space is set as two, is connected between two liquid cavities by runner, the runner Forming method are as follows: mandrel is arranged to inside and outside two parts, inside is mandrel ontology, and outside is mandrel housing, the assembly of mandrel ontology Into mandrel housing；Flow path groove is provided on the outer peripheral surface of mandrel ontology, flow path groove surrounds the periphery for being distributed in mandrel ontology On face, along the length direction of flow path groove, tube body is provided in flow path groove, forms runner, the both ends of tube body respectively with multiple liquid Body cavity is connected, to will be connected between two liquid cavities by runner by runner.

Preferably, along the circumferential recess region for being provided with a whole circle on the outer peripheral surface of mandrel ontology of mandrel ontology, stream Road slot is arranged in the groove bottom of recess region, after tube body is placed into flow path groove, then pressing sleeve is arranged in recess region, Tube body is pressed in flow path groove.

The beneficial effects of the present invention are: after the present invention in the monoblock 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.

Detailed description of the invention

Fig. 1 is the node the schematic diagram of the section structure in the embodiment of the present invention 1 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 1；

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 monoblock type of mandrel radial direction in the embodiment of the present invention 1；

Fig. 7 is the node the schematic diagram of the section structure in the embodiment of the present invention 2 along mandrel axial direction；

Fig. 8 is the schematic diagram of the section structure of mandrel in Fig. 7；

Fig. 9 is the enlarged structure schematic diagram in the portion I in Fig. 7；

Figure 10 is the node the schematic diagram of the section structure in the embodiment of the present invention 3 along mandrel axial direction；

Figure 11 is the node the schematic diagram of the section structure in the embodiment of the present invention 4 along mandrel axial direction；

Figure 12 is the schematic diagram of the section structure of mandrel in Figure 11；

Figure 13 is the enlarged structure schematic diagram in the portion M in Figure 11；

Figure 14 is in the embodiment of the present invention 5 along the cutting of mandrel axial direction and positioned at the node broken section of integral sleeve one end end Structural schematic diagram；

In figure: 1. housings, 111. runner housings, 112. integral sleeves, 1121. housing turn-up portions, 2. mandrels, 211. cores Crown of roll block, 212. mandrel ontologies, 213. mandrel housings, 2131. housing through-holes, 214. mandrel through-holes, among 3. monoblock types Spacer, 4. rubber, 411. rubber blocks, 412. interlude rubber, 413. end rubber, 414. rubber convex blocks, 5. liquid-containing airs Chamber, 6. flow path grooves, 611. horizontal run slots, 612. vertical run slots, 613. closing in flow path grooves one, 614. closing in runners Slot two, 615. closing in flow path grooves three, 7. runner through-holes one, 8. runner through-holes two, 9. curved cover plates, 911. cover plate through holes, 912, convex blocks, 10. stage portions, 11. sealing rings, 12. liquid injection holes, 13. stage portions one, 14. stage portions two, 15. ends Sealing ring, 16. damping through-holes, 17. tube bodies, 18. recess regions, 181. groove bottoms, 19. pressing sleeves, 191. pressing sleeve through-holes, 20. weld seam, 21. ring type seals.

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.