CN207535908U - A kind of multi-clove type rubber arthrosis - Google Patents
A kind of multi-clove type rubber arthrosis Download PDFInfo
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- CN207535908U CN207535908U CN201721658618.2U CN201721658618U CN207535908U CN 207535908 U CN207535908 U CN 207535908U CN 201721658618 U CN201721658618 U CN 201721658618U CN 207535908 U CN207535908 U CN 207535908U
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Abstract
The utility model provides a kind of multi-clove type rubber arthrosis, including mandrel, rubber is cased with outside mandrel, rubber sleeve has the joint inner sleeve of cylindrical setting, joint inner sleeve includes the end cap positioned at joint inner sleeve both ends and several sections of cutting ferrules between end cap, annular slot is provided on the end face of one open at one end of the end cap far from joint inner sleeve, annular fixture block is provided on the end face of open at one end of another end cap far from joint inner sleeve；Cutting ferrule one end is provided with annular link slot on end face, cooperation is equipped with annular link block in the other end face, annular fastening block part point is connected in annular link slot, and annular link block part is connected in annular slot or annular link slot, and the bottom with annular slot and annular link slot does not contact.During the inner sleeve of subsequent extrusion joint, pressure can not only be applied from multi-angle, uniformly squeezed, ensureing rubber, shape plate is uniform everywhere, moreover it is possible to deformed by the reserved space between end cap and cutting ferrule for joint inner sleeve, squeeze rubber, avoid generating destruction to joint inner sleeve.
Description
Technical field
The utility model is related to damping element field, more particularly to a kind of multi-clove type rubber arthrosis.
Background technology
Rubber arthrosis is a kind of rubber absorber for being widely used in rail vehicle and automobile, utilizes the multi-direction of rubber
Deformation and elasticity bear linear function and torque, generate torque or rock deformation, not only have the function of flexible connected, also
There is buffering vibration impact；Since rubber arthrosis does not generate mechanical friction, without lubrication, noise is relatively low, therefore more next
More it is widely used to flexible connected position.
At present, the Chinese utility model patent that notification number is CN202046321U discloses a kind of flexibility used for rolling stock even
Rubber arthrosis is connect, including housing, rubber and mandrel, mandrel both ends have the through-hole for connecting Vehicular vibration source, and rubber sleeve exists
In the middle part of mandrel and with mandrel bonding connection, housing is sleeved on rubber and connect with rubber bound, the bonding at housing and rubber both ends
Structure grooves have been issued, and the both ends of rubber are respectively embedded into structure grooves in place and mandrel and the bonding part at rubber both ends respectively.
Although this flexible rubber connecting joint for rolling stock is provided with structure grooves on the inner wall of housing and mandrel outer wall,
The connection of rubber and housing and mandrel is fastened by structure grooves, so as to improve the effect of vibration and noise reduction of rubber arthrosis；It is but whole
By squeezing housing after external-cover-type rubber arthrosis sulfidization molding, metal-coating is forced to generate certain deformation adjust radially with
The ratio of axial rigidity, it is cumbersome.
Utility model content
The purpose of this utility model is to provide a kind of multi-clove type rubber arthrosis, divides valve external-cover-type rubber arthrosis by leaving blank in advance
Between complete extruding to rubber, it is very convenient.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of multi-clove type rubber closes
Section including mandrel, is cased with rubber, the rubber sleeve has the joint inner sleeve of cylindrical setting, the joint outside the mandrel
Inner sleeve includes the end cap positioned at joint inner sleeve both ends and several sections of cutting ferrules between end cap, and an end cap is far from joint
Annular slot is provided on the end face of the open at one end of inner sleeve, the end face of another open at one end of the end cap far from joint inner sleeve
On be provided with annular fixture block；Annular link slot is provided on the end face of described cutting ferrule one end, cooperation is equipped with annular connection in the other end face
Block, the annular fastening block part point are connected in annular link slot, and the annular link block part is connected to annular slot or annular
In link slot, and the bottom with annular slot and annular link slot does not contact.
By using above-mentioned technical proposal, since the ability that rubber bears drawing force is poor, and rubber arthrosis was using
Cheng Zhong can inevitably generate tensile stress, in order to extend the service life of rubber arthrosis, by rubber and mandrel and joint
After inner sleeve vulcanization is integral, inner sleeve is squeezed, rubber is made to be in pre-compressed state, and precommpression value is more than rubber arthrosis and uses process
The tensile stress of middle generation, makes rubber not generate tensile stress；Therefore, by the intra-articular set that rubber sleeve is set be arranged to end cap and
Polylith cutting ferrule, end cap and cutting ferrule are mutually clamped by the slot and block set on end face, and slot and block are in incomplete inserting state.Afterwards
During continuous extruding joint inner sleeve, pressure can not only be applied from multi-angle, uniformly squeezed, ensureing rubber, shape plate is uniform everywhere, moreover it is possible to
It is deformed by the reserved space between end cap and cutting ferrule for joint inner sleeve, to squeeze rubber, avoids generating destruction to joint inner sleeve.
Further, the slot bottom of the annular slot and annular link slot is equipped with rubber ring.
By using above-mentioned technical proposal, the rubber ring in the slot bottom setting of annular slot and annular link slot is squeezed and is closed
When saving inner sleeve, annular fixture block and annular link block squeeze rubber ring deformation, and the rubber ring of forced compression can not only envelope ring
The end of shape fixture block and annular link block, forms flexible connection, and rubber arthrosis is avoided to generate rigidity friction in use and influence
To the service life of rubber arthrosis.
Further, the mandrel includes being spherical the core of setting, and the core both sides are arranged with connecting portion, institute
The internal perisporium for stating joint inner sleeve is equipped with into spherical arc.
By using above-mentioned technical proposal, the core part contacted in mandrel with rubber part is arranged to convex spherical shape, rubber
When bearing responsive to axial force, rubber part can not only receive shearing force, also suffer from compression, due to rubber in glue joint
The compression modulus of glue is much bigger more than modulus of shearing, and journal axle rigidity is than reducing, and more preferably, anti-fatigue performance is changed effectiveness in vibration suppression
It is kind.
Further, the intersection of the core and connecting portion is provided with adhesive trough, and the rubber end is viscous equipped with being filled in
Tie the coherent mass in slot.
By using above-mentioned technical proposal, adhesive trough, the end set of rubber are provided in the intersection of core and connecting portion
There is coherent mass, coherent mass is connected in adhesive trough, strengthens the connection of core and rubber, can when making the twisting of arbor portions stress
Rubber is passed to by what active force consolidated, is eliminated and vibrated using rubber.
Further, the end of the joint inner sleeve be provided with for connecting portion by through-hole, and the internal perisporium of the through-hole
It is not abutted with connecting portion periphery wall.
By using above-mentioned technical proposal, in joint the end of inner sleeve be provided with for connecting portion by through-hole, facilitate connection
Joint inner sleeve and external connection are stretched out by portion；And the maximum radial width that the internal diameter of through-hole is more than to connecting portion is set, in through-hole
Space is reserved between wall and connecting portion periphery wall, for mandrel after stress, connecting portion can will deviate connecting portion axial direction
On active force be transmitted at rubber, promote the damping capacity of rubber arthrosis.
Further, the through-hole is provided with relief hole far from the connection of core one end, and the relief hole is set in funnel-form, and
Inclined-plane is set towards joint outside of inner cover.
By using above-mentioned technical proposal, relief hole is provided in end of the through-hole far from core, and be in by relief hole setting
Funnel-form can not only adapt to the offset of connecting portion, moreover it is possible to staff be facilitated to connect connecting portion and external structure.
Further, the joint inner sleeve wild card is connected to the housing of cylindrical setting, and the housing both ends are equipped with flange.
By using above-mentioned technical proposal, mandrel, rubber and intra-articular set are pressed into housing, then housing both ends are turned over
Mandrel, rubber and joint inner sleeve are blocked in side, play a protective role to mandrel, rubber and joint inner sleeve.
Further, rubber both ends end face is provided with groove.
By using above-mentioned technical proposal, rubber is compressed during being squeezed by joint inner sleeve and being pressed into housing,
Due to the volume of rubber be it is incompressible, rubber can deform upon, and change the shape of rubber both ends Free Surface
Become；Groove is provided on the end face at rubber both ends, the rubber surface after squeezing can be avoided to be not in fold and bloat phenomenon,
It prevents the mutual friction of rubber surface phase and makes rubber premature aging.
In conclusion the utility model has the advantages that：
1. by the joint inner sleeve of more valves splicing setting, staff is facilitated to carry out precompression treatment to rubber, and can subtract
Few subsequent job step, it is very convenient.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of multi-clove type rubber arthrosis of the utility model；
Fig. 2 is the sectional view of rubber arthrosis.
In figure, 1, rubber arthrosis；2nd, mandrel；21st, core；22nd, connecting portion；23rd, adhesive trough；3rd, rubber；31st, coherent mass；
32nd, groove；4th, joint inner sleeve；41st, end cap；411st, annular slot；412nd, annular fixture block；42nd, cutting ferrule；421st, annular link slot；
422nd, annular link block；43rd, rubber ring；44th, through-hole；45th, relief hole；5th, housing；51st, flange.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：A kind of multi-clove type rubber arthrosis, as depicted in figs. 1 and 2, including mandrel 2, mandrel 2 is set by being spherical
The core 21 put is formed with two connecting portions 22 being oppositely arranged in core 21, and rubber 3 is cased with outside the core 21 of mandrel 2,
The joint inner sleeve 4 of cylinder setting is cased with outside rubber 3；Joint inner sleeve 4 includes the end cap 41 for being arranged on 4 both ends of joint inner sleeve,
Annular slot 411 is provided on the end face of an open at one end of the end cap far from end cap 41, is opened in another end cap 41 far from it
Annular fixture block 412 is provided on the end face of mouth one end, further includes several cutting ferrules 42 being arranged between two end caps 41, this reality
It applies cutting ferrule in example and is set as one, and end cap 41 and all cylindrical setting of cutting ferrule 42, annular is provided in 42 one end of cutting ferrule even
Block 422 is connect, the other end is provided with annular link slot 421；And annular 422 part of link block is connected in annular slot 411, annular
412 part of fixture block is connected in annular link slot 421, annular link block 422 and annular fixture block 412 not with annular slot 411 and
The slot bottom contact of annular link slot 421（State when not being pressed into housing 5）.
In this way, since the ability that rubber 3 bears stretching action is poor, mandrel 2, rubber 3 and joint inner sleeve 4 are being vulcanized one
It after body formed, needs to carry out rubber 3 precommpression, and with decrement is more than rubber arthrosis 1 rubber 3 is subject in use
Tensile stress makes the elongation that rubber 3 generates, and ensures that rubber 3 does not generate tensile stress in use；Joint inner sleeve 4 is set
Multi-clove type is set to, and the space compressed for rubber 3 is reserved between end cap 41 and cutting ferrule 42, avoids extruding force to joint inner sleeve
4 damage and influence the quality of rubber arthrosis 1.It, can not only be from the peripheral wall of joint inner sleeve 4 when squeezing joint inner sleeve 4
Apply certain pressure to rubber 3, moreover it is possible to from the axis direction pressure active force of joint inner sleeve 4, push annular fixture block 412 and ring
Shape link block 422 is moved to the slot bottom of annular link slot 421 and annular slot 411, so as between joint inner sleeve 4 and core 21
Rubber 3 compressed, make the deformation of rubber 3 in all directions more uniform, so ensure rubber arthrosis 1 in all directions
On effectiveness in vibration suppression more preferably.
In order to avoid annular fixture block 412 and annular link slot 421 and the rigidity of annular link block 422 and annular slot 411
Noise is generated, and because of the abrasion of damaging property of much time using after being plugged on 1 stress of rubber arthrosis, and influence rubber pass
The use of section 1, on the one hand, by the edge of annular fixture block 412, annular slot 411, annular link block 422 and annular link slot 421
Part is rounded down（It is not shown in figure）, on the other hand, as shown in Fig. 2, being pasted in annular slot 411 and annular link slot 421
Conjunction is provided with rubber ring 43.In this way, can not only avoid rubber 3 in stress deformation by annular fixture block 412, annular slot 411,
The marginal portion cutting damage of annular link block 422 and annular link slot 421, moreover it is possible in annular fixture block 412 and annular link block
422 when abutting on rubber ring 43, and rubber ring 43 is forced to deform, while plugging position is protected, provides cushioning effect, improves
The effectiveness in vibration suppression of rubber arthrosis 1.
After the bonding of rubber 3 and mandrel 2 is destroyed, it is difficult to active force is transmitted in rubber 3 by mandrel 2, and is lost
Damping effect is removed, therefore, as shown in Fig. 2, the intersection in core 21 and connecting portion 22 is provided with adhesive trough 23,23 section of adhesive trough
Locate main part in spherical setting, and set in the internal diameter for being less than main part with the aperture of 4 connectivity part of joint inner sleeve, in rubber
3 end sets for being fitted in mandrel 2 have the coherent mass 31 being plugged in adhesive trough 23, pass through coherent mass 31 and the card of adhesive trough 23
It connects, strengthens the bonding of rubber 3 and mandrel 2, to extend the service life of rubber arthrosis 1.
In addition, as shown in Fig. 2, be provided at 4 both ends of joint inner sleeve for connecting portion 22 by through-hole 44, and through-hole 44 is interior
The maximum radial width that diameter is more than connecting portion 22 is set.In this way, axial location of the connecting portion 22 in stress offset joint inner sleeve 4
Afterwards, friction will not be generated with 44 inner wall of through-hole and edge；The setting of through-hole 44 can not only provide sky for the offset of connecting portion 22
Between, moreover it is possible to it plays a protective role to rubber arthrosis 1.And staff installs rubber arthrosis 1 for convenience, in through-hole 44 far from ball
The end of core 21 is provided with the relief hole 45 connected with through-hole 44, and the internal perisporium of relief hole 45 is set in funnel-form, inclined-plane direction
The external of joint inner sleeve 4 is set.
As shown in Fig. 2, the housing 5 of cylindrical setting is cased with outside joint inner sleeve 4, and inside at 5 both ends open of housing
It is provided with flange 51.It is using mechanical external force that this is whole after mandrel 2, rubber 3 and joint inner sleeve 4 are sulfided into an entirety
Body is pressed into housing 5, to protect mandrel 2, rubber 3 and joint inner sleeve 4.
It, can be to rubber 3 during housing 5 is pressed into 3 precommpression of rubber and by mandrel 2, rubber 3 and joint inner sleeve 4
Squeezing action is generated, since 3 volume of rubber is incompressible, is deformed upon after 3 stress of rubber, in core 21 and intra-articular
Rubber 3 between set 4 presses to the free end face at 3 both ends of rubber, makes free end face stress deformation and generates fold and bulging, into
And make 3 surface rubs mutually heat of rubber, lead to 3 premature aging of rubber, damping property reduces；Therefore, as shown in Fig. 2, in rubber
Groove 32 is provided on the end face at 3 both ends of glue, to adapt to squeeze the deformation for making generation, is played a protective role to rubber 3.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of multi-clove type rubber arthrosis, including mandrel（2）, the mandrel（2）It is cased with rubber outside（3）, the rubber（3）Housing
There is the joint inner sleeve of cylindrical setting（4）, it is characterised in that：The joint inner sleeve（4）Including being located at joint inner sleeve（4）Both ends
End cap（41）With positioned at end cap（41）Between several sections of cutting ferrules（42）, an end cap（41）Far from joint inner sleeve（4）
Open at one end end face on be provided with annular slot（411）, another described end cap is far from joint inner sleeve（4）Open at one end
Annular fixture block is provided on end face（412）；The cutting ferrule（42）Annular link slot is provided on the end face of one end（421）, the other end face
Upper cooperation is equipped with annular link block（422）, the annular fixture block（412）Part is connected to annular link slot（421）In, the ring
Shape link block（422）Part is connected to annular slot（411）Or annular link slot（421）In, and not with annular slot（411）With
Annular link slot（421）Bottom contact.
2. a kind of multi-clove type rubber arthrosis according to claim 1, it is characterised in that：The annular slot（411）With ring
Shape link slot（421）Slot bottom be equipped with rubber ring（43）.
3. a kind of multi-clove type rubber arthrosis according to claim 1, it is characterised in that：The mandrel（2）Including being in ball
The core of shape setting（21）, the core（21）Both sides are arranged with connecting portion（22）, the joint inner sleeve（4）Internal perisporium match
Conjunction is arranged to spherical arc.
4. a kind of multi-clove type rubber arthrosis according to claim 3, it is characterised in that：The core（21）With connecting portion
（22）Intersection be provided with adhesive trough（23）, the rubber（3）End is equipped with and is filled in adhesive trough（23）In coherent mass（31）.
5. according to a kind of multi-clove type rubber arthrosis described in claim 3, it is characterised in that：The joint inner sleeve（4）End open
Have for connecting portion（22）By through-hole（44）, and the through-hole（44）Internal perisporium not with connecting portion（22）Periphery wall abuts.
6. a kind of multi-clove type rubber arthrosis according to claim 5, it is characterised in that：The through-hole（44）Far from core
（21）One end connection is provided with relief hole（45）, the relief hole（45）It is set in funnel-form, and inclined-plane is towards joint inner sleeve（4）Outside
Portion is set.
7. a kind of multi-clove type rubber arthrosis according to claim 1, it is characterised in that：The joint inner sleeve（4）Outer clamping
There is the housing of cylindrical setting（5）, the housing（5）Both ends are equipped with flange（51）.
8. a kind of multi-clove type rubber arthrosis according to claim 7, it is characterised in that：The rubber（3）It opens both ends end face
It is fluted（32）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658618.2U CN207535908U (en) | 2017-12-01 | 2017-12-01 | A kind of multi-clove type rubber arthrosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658618.2U CN207535908U (en) | 2017-12-01 | 2017-12-01 | A kind of multi-clove type rubber arthrosis |
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| Publication Number | Publication Date |
|---|---|
| CN207535908U true CN207535908U (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721658618.2U Active CN207535908U (en) | 2017-12-01 | 2017-12-01 | A kind of multi-clove type rubber arthrosis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356932A (en) * | 2018-12-13 | 2019-02-19 | 株洲飞马橡胶实业有限公司 | A kind of rubber bushing and its assemble method reducing radial/axial rigidity ratio |
| CN113821916A (en) * | 2021-08-31 | 2021-12-21 | 株洲时代新材料科技股份有限公司 | Method for reducing deflection rigidity of rubber joint under radial preload |
-
2017
- 2017-12-01 CN CN201721658618.2U patent/CN207535908U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356932A (en) * | 2018-12-13 | 2019-02-19 | 株洲飞马橡胶实业有限公司 | A kind of rubber bushing and its assemble method reducing radial/axial rigidity ratio |
| CN113821916A (en) * | 2021-08-31 | 2021-12-21 | 株洲时代新材料科技股份有限公司 | Method for reducing deflection rigidity of rubber joint under radial preload |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226100 No. 508, Oujiang Middle Road, Binjiang street, Haimen District, Nantong City, Jiangsu Province Patentee after: Nantong Hongda rail transit Parts Co.,Ltd. Address before: Room C, workshop 33, Wanzhong Industrial Park, Haimen town, Haimen City, Nantong City, Jiangsu Province, 226100 Patentee before: HAIMEN HONGDA RAILWAY LOCOMOTIVE PARTS Co.,Ltd. |
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| CP03 | Change of name, title or address |