CN209365902U - Transmission shaft intermediate support component - Google Patents

Abstract

The application provides a kind of transmission shaft intermediate support component, belong to automobile technical field, solve the technical issues of existing deep groove ball bearing bears biggish engine, axial movement of gear-box causes axial force caused by intermediate support rubber deformation, and generation overheats and makes bearing earlier period damage.A kind of transmission shaft intermediate support component includes bearing assembly, cover plate assembly, shell and rubber parts；Shell is connect with cover plate assembly by the first connector, and forms cavity, and inside cavity is provided with rubber parts；Bearing assembly is embedded with inside rubber parts；Bearing assembly includes: the first ball, the second ball and bearing block, 3rd bearing circle, second bearing circle and the first bearing circle being successively arranged within outer；The application long service life, utilize the function that slides axially of bearing assembly, it avoids the fixed intermediate support deep groove ball bearing of prior art middle (center) bearing from bearing the excessive axial force because of caused by rubber parts deformation caused by engine, axial movement of gear-box, and then makes to benefit from longer life expectancy.

Description

Transmission shaft intermediate support component

Technical field

This application involves automobile technical fields, more particularly, to a kind of transmission shaft intermediate support component.

Background technique

In vehicle power assembly system arrangement, general engine, gearbox can exist in drive shaft system arranged direction Certain shifting amount, generally 5mm or so etc..In drive shaft system arrangement, because critical speed limits, general propeller shaft length The mode that transmission shaft is used to step-by-step arrangement is needed when greater than 1500~2000mm to improve its critical speed, avoids generating altogether Vibration.When therefore using more transmission shafts arrangement, more intermediate propeller shafts with intermediate support can be sequentially arranged and one has The drive axle transmission shaft of free-sliding spline pair；Intermediate transmission axle assembly with intermediate support needs to support by intermediate support component Disappear the axial movement value of engine, gearbox in vehicle travel process.

At present there are two types of transmission shaft intermediate support components, one kind is the fixed intermediate support of bearing, using honeycomb or is added Work offsets the axial float of engine, gearbox at spoke-like rubber parts deformation；Another kind is that bearing is sliding in bearing block Dynamic formula intermediate support is compensated using slippage of the bearing in bearing block, offsets the shifting amount of engine, gearbox；The two Existing defect be deep groove ball bearing bear it is biggish because caused by engine, axial movement of gear-box intermediate support rubber become Axial force caused by shape, and then lead to the clearance for destroying deep groove ball bearing, it generates overheat and makes bearing earlier period damage.

Therefore, how a kind of transmission shaft intermediate support component is provided, can guarantee that bearing is complete in use Property, it has also become the technical issues of those skilled in the art's urgent need to resolve.

Utility model content

The application's is designed to provide a kind of transmission shaft intermediate supports component, with solve existing deep groove ball bearing hold it is larger Engine, axial movement of gear-box cause axial force caused by intermediate support rubber deformation, cause destroy deep groove ball bearing Clearance, generate overheat and the technical issues of make bearing earlier period damage.

Compared with the existing technology, a kind of transmission shaft intermediate support component of the application, including it is bearing assembly, cover plate assembly, outer Shell and rubber parts；

The shell is connect with the cover plate assembly by the first connector, and forms cavity, the inside cavity setting There is the rubber parts；The bearing assembly is embedded with inside the rubber parts；

The bearing assembly includes: the first ball, the second ball and bearing block, the third axis being successively arranged within outer Hold circle, second bearing circle and first bearing circle；

Circumferential direction along the outside wall surface of the first bearing circle is provided with the first slideway, along the inner wall of the second bearing circle Circumferential direction be provided with the second slideway；Outside wall surface along the second bearing circle has been provided at circumferentially spaced multiple fixing grooves；Along institute That states the inner wall of 3rd bearing circle has been arranged in an axially parallel mode multiple third slideways；

One end of first ball is arranged on first slideway, and the other end of first ball is arranged described On second slideway；

One end of second ball is arranged in the fixing groove, and the other end of second ball is arranged described In third slideway.

Specifically, the bearing assembly further includes two group of first sealing ring, and there are two the settings of the first sealing ring described in every group, First sealing ring being provided at circumferentially spaced along the first bearing circle described in two groups, and the other end and the second bearing circle connect It connects.

Specifically, the bearing assembly further includes first support, and the first support is used to support first ball；

The first support is arranged between the first bearing circle and the second bearing, and the first support includes the Two connectors and the first fixed ring, the quantity of first fixed ring be it is multiple, multiple first fixed rings pass through described the The connection of two connectors.

Specifically, the bearing assembly further includes second support, and the second support is used to support second ball；

The second support is arranged between the second bearing circle and the 3rd bearing, and the second support includes the Three connectors and the second fixed ring, the quantity of second fixed ring be it is multiple, multiple second fixed rings pass through described the The connection of three connectors.

Specifically, first ball is provided with multiple, multiple first ball spaced sets；Second ball It is provided with multiple, multiple second ball spaced sets.

Specifically, the bearing assembly further includes retaining ring, and the quantity of the retaining ring is two, and two retaining rings are set respectively It sets in the two sides of the 3rd bearing circle, and the other end of the retaining ring is arranged on the bearing block.

Specifically, the cover plate assembly includes mounting portion, fixed part and clamping part；

The concave structure of fixed part, the both ends of the fixed part are respectively arranged with the mounting portion, the mounting portion On be provided with mounting hole, first connector passes through the mounting hole for connecting the shell；The two sides of the mounting portion It is provided with clamping part, and the clamping part is arranged close to the fixed part, the clamping part is for clamping the rubber parts.

Specifically, vibration absorbing structure is provided on the rubber parts.

Specifically, the shell is U-shaped shell, and the bottom end of the U-shaped shell offers pilot hole.

Specifically, the bottom end of the rubber parts is provided with cylindrical body outward, and the cylindrical body is adapted with the pilot hole.

Compared with prior art, a kind of transmission shaft intermediate support component of the application, has the advantages that

A kind of transmission shaft intermediate support component includes bearing assembly, cover plate assembly, shell and rubber parts；The shell and institute It states cover plate assembly to connect by the first connector, and forms cavity, the inside cavity is provided with the rubber parts；The rubber The bearing assembly is embedded with inside part；The bearing assembly includes: the first ball, the second ball and successively covers within outer If bearing block, 3rd bearing circle, second bearing circle and first bearing circle；

Circumferential direction along the outside wall surface of the first bearing circle is provided with the first slideway, along the inner wall of the second bearing circle Circumferential direction be provided with the second slideway；Outside wall surface along the second bearing circle has been provided at circumferentially spaced multiple fixing grooves；Along institute That states the inner wall of 3rd bearing circle has been arranged in an axially parallel mode multiple third slideways；One end of first ball is arranged described On first slideway, the other end of first ball is arranged on second slideway；One end setting of second ball exists In the fixing groove, and the other end of second ball is arranged in the third slideway；Existing deep groove ball bearing is solved to hold Biggish engine, axial movement of gear-box cause axial force caused by intermediate support rubber deformation, cause to destroy deep-groove ball The clearance of bearing, the technical issues of generating overheat and make bearing earlier period damage.

First, one end of first ball is arranged on first slideway, the other end of first ball is arranged On second slideway；Using first ball to realize that the circumferential direction of the relatively described first bearing circle of second bearing circle turns It is dynamic.

Second, one end of second ball is arranged in the fixing groove, and the other end setting of second ball In the third slideway；Using second ball to realize that the axial direction of the relatively described second bearing circle of 3rd bearing circle turns It is dynamic, the first bearing circle, second bearing circle, 3rd bearing circle, the first ball and the second ball are to sum up utilized, to realize axis Bearing assembly has the function of sliding axially and circumferentially slide.

Third, the long service life of the application can be to avoid in the prior art using the function that slides axially of bearing assembly The fixed intermediate support deep groove ball bearing of bearing bears excessive because of rubber parts deformation institute caused by engine, axial movement of gear-box The axial force of generation avoids the clearance because of deep groove ball bearing, generates bearing earlier period damage caused by overheat, and then make to benefit from the longevity It orders longer.

Fourth, the application is provided with the first ball between the first bearing circle and second bearing circle, in second bearing It is provided with the second ball between circle and 3rd bearing circle, replaces bearing outer ring in the prior art using the first ball and the second ball Linear slide between bearing block shakes abnormal sound caused by the one hand avoiding in use process, more stable；Another party Face avoids bearing earlier period damage caused by relatively rotating between bearing outer ring and bearing block, makes that the service life is longer.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the application specific embodiment or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the application, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural representation of the transmission shaft intermediate support component provided by the embodiments of the present application under the first visual angle Figure；

Fig. 2 is a kind of structural representation of the transmission shaft intermediate support component provided by the embodiments of the present application under the second visual angle Figure；

Fig. 3 is a kind of cover plate assembly structural schematic diagram of transmission shaft intermediate support component provided by the embodiments of the present application；

Fig. 4 is a kind of shell mechanism schematic diagram of transmission shaft intermediate support component provided by the embodiments of the present application；

Fig. 5 is a kind of rubber parts structural schematic diagram of transmission shaft intermediate support component provided by the embodiments of the present application；

Fig. 6 is a kind of bolt arrangement schematic diagram of transmission shaft intermediate support component provided by the embodiments of the present application；

Fig. 7 is a kind of bearing component construction schematic diagram of transmission shaft intermediate support component provided by the embodiments of the present application；

Fig. 8 is a kind of bearing assembly cross-sectional view of transmission shaft intermediate support component provided by the embodiments of the present application；

Fig. 9 is a kind of structural schematic diagram of the first support of transmission shaft intermediate support component provided by the embodiments of the present application；

Figure 10 is a kind of structural schematic diagram of the second support of transmission shaft intermediate support component provided by the embodiments of the present application；

Figure 11 is a kind of structural representation of the first bearing circle of transmission shaft intermediate support component provided by the embodiments of the present application Figure；

Figure 12 is a kind of structural representation of the second bearing circle of transmission shaft intermediate support component provided by the embodiments of the present application Figure；

Figure 13 is a kind of structural representation of the 3rd bearing circle of transmission shaft intermediate support component provided by the embodiments of the present application Figure；

Figure 14 is a kind of structural schematic diagram of the retaining ring of transmission shaft intermediate support component provided by the embodiments of the present application.

Figure number: 100- bearing assembly；101- bearing block；102- first bearing circle；103- second bearing circle；104- One bracket；105- 3rd bearing circle；106- second support；The second slideway of 107-；108- fixing groove；The first slideway of 109-；110- Third slideway；111- retaining ring；The second connector of 112-；The first fixed ring of 113-；114- third connector；115- second is fixed Ring；The first ball of 116-；The second ball of 117-；The first sealing ring of 118-；The second sealing ring of 119-；200- cover plate assembly；201- Mounting portion；202- fixed part；203- clamping part；204- mounting hole；The first connector of 300-；301- bolt；400- rubber parts； 401- vibration absorbing structure；402- cylindrical body；500- shell；501- pilot hole；The first threaded hole of 502-.

Specific embodiment

It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.

In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition Concrete meaning in the application.

Referring to Fig. 1-Figure 14, wherein Fig. 1 is a kind of transmission shaft intermediate support component provided by the embodiments of the present application first Structural schematic diagram under visual angle；Fig. 2 is a kind of transmission shaft intermediate support component provided by the embodiments of the present application under the second visual angle Structural schematic diagram；Fig. 3 is that a kind of 200 structure of cover plate assembly of transmission shaft intermediate support component provided by the embodiments of the present application is shown It is intended to；Fig. 4 is a kind of 500 structural schematic diagram of shell of transmission shaft intermediate support component provided by the embodiments of the present application；Fig. 5 is this Apply for a kind of 400 structural schematic diagram of rubber parts for transmission shaft intermediate support component that embodiment provides；Fig. 6 is the embodiment of the present application A kind of 301 structural schematic diagram of bolt of the transmission shaft intermediate support component provided；Fig. 7 is a kind of biography provided by the embodiments of the present application 100 structural schematic diagram of bearing assembly of moving axis intermediate support component；Fig. 8 is among a kind of transmission shaft provided by the embodiments of the present application 100 cross-sectional view of bearing assembly of bearing assembly；Fig. 9 is the of a kind of transmission shaft intermediate support component provided by the embodiments of the present application The structural schematic diagram of one bracket 104；Figure 10 is second of a kind of transmission shaft intermediate support component provided by the embodiments of the present application The structural schematic diagram of frame 106；Figure 11 is a kind of first bearing circle of transmission shaft intermediate support component provided by the embodiments of the present application 102 structural schematic diagram；Figure 12 is a kind of second bearing circle 103 of transmission shaft intermediate support component provided by the embodiments of the present application Structural schematic diagram；Figure 13 is a kind of 3rd bearing circle 105 of transmission shaft intermediate support component provided by the embodiments of the present application Structural schematic diagram；Figure 14 is a kind of structural representation of the retaining ring 111 of transmission shaft intermediate support component provided by the embodiments of the present application Figure.

Below with reference to shown in Fig. 1-14, a kind of transmission shaft intermediate support component, including bearing assembly 100, cover plate assembly 200, shell 500 and rubber parts 400；The shell 500 is connect with the cover plate assembly 200 by the first connector, and is formed Cavity, the inside cavity are provided with the rubber parts 400；The bearing assembly 100 is embedded with inside the rubber parts 400； The bearing assembly 100 includes: the first ball, the second ball 117 and the bearing block 101 being successively arranged within outer, third Bearing race 105, second bearing circle 103 and first bearing circle 102；Along the circumferential setting of the outside wall surface of the first bearing circle 102 There is the first slideway 109, the circumferential direction of the inner wall of the second bearing circle 103 is provided with the second slideway 107；Along second axis That holds the outside wall surface of circle 103 has been provided at circumferentially spaced multiple fixing grooves 108；Along the axis of the inner wall of the 3rd bearing circle 105 To being arranged in parallel with multiple third slideways 110；One end of first ball is arranged on first slideway 109, and described the The other end of one ball is arranged on second slideway 107；One end of second ball 117 is arranged in the fixing groove In 108, and the other end of second ball 117 is arranged in the third slideway 110.

Compared with the existing technology, a kind of transmission shaft intermediate support component of the application, has the advantages that

A kind of transmission shaft intermediate support component includes bearing assembly 100, cover plate assembly 200, shell 500 and rubber parts 400； The shell 500 is connect with the cover plate assembly 200 by the first connector, and forms cavity, and the inside cavity is provided with The rubber parts 400；The bearing assembly 100 is embedded with inside the rubber parts 400；The bearing assembly 100 includes: first Ball, the second ball 117117 and bearing block 101,3rd bearing circle 105, the second bearing circle being successively arranged within outer 103 and first bearing circle 102；

The circumferential direction of the outside wall surface of the first bearing circle 102 is provided with the first slideway 109, along the second bearing circle The circumferential direction of 103 inner wall is provided with the second slideway 107；Outside wall surface along the second bearing circle 103 is provided at circumferentially spaced There are multiple fixing grooves 108；Inner wall along the 3rd bearing circle 105 has been arranged in an axially parallel mode multiple third slideways 110；Institute The one end for stating the first ball is arranged on first slideway 109, and the other end setting of first ball is sliding described second On road 107；One end of second ball 117 is arranged in the fixing groove 108, and the other end of second ball 117 It is arranged in the third slideway 110；It solves during existing deep groove ball bearing holds biggish engine, axial movement of gear-box causes Between support rubber deform caused by axial force, cause destroy deep groove ball bearing clearance, generate overheat and make bearing early stage damage Bad technical problem.

Specifically, one end of first ball is arranged on first slideway 109, the other end of first ball It is arranged on second slideway 107；Using first ball to realize the relatively described first bearing of second bearing circle 103 Circle 102 circumferentially rotates.

Specifically, one end of second ball 117 is arranged in the fixing groove 108, and second ball 117 The other end is arranged in the third slideway 110；Using second ball 117 to realize 3rd bearing circle 105 with respect to institute The axial rotation for stating second bearing circle 103, to sum up utilizes the first bearing circle 102, second bearing circle 103,3rd bearing circle 105, the first ball and the second ball 117, to realize that bearing assembly 100 has the function of sliding axially and circumferentially slide.

Specifically, the long service life of the application can be to avoid existing using the function that slides axially of bearing assembly 100 The fixed intermediate support deep groove ball bearing of technology middle (center) bearing bears excessive because of rubber parts caused by engine, axial movement of gear-box 400 deform generated axial force, avoid the clearance because of deep groove ball bearing, generate bearing earlier period damage caused by overheat, into And make to benefit from longer life expectancy.

More specifically, the application is provided with the first ball between the first bearing circle 102 and second bearing circle 103, It is provided with the second ball between second bearing circle 103 and 3rd bearing circle 105, utilizes the first idler wheel 116 and the second ball generation For the linear slide between bearing outer ring in the prior art and bearing block 101, trembled caused by the one hand avoiding in use process Dynamic abnormal sound, it is more stable；On the other hand, the early stage of bearing caused by relatively rotating between bearing outer ring and bearing block 101 is avoided Damage, makes that the service life is longer.

In one embodiment of the application, with reference to shown in Figure 11 and Figure 12, wherein Figure 11 provides for the embodiment of the present application A kind of transmission shaft intermediate support component first bearing circle 102 structural schematic diagram；Figure 12 is provided by the embodiments of the present application A kind of structural schematic diagram of the second bearing circle 103 of transmission shaft intermediate support component.The bearing provided by the embodiments of the present application Component 100 further includes two group of first sealing ring 118, and there are two the settings of the first sealing ring 118 described in every group, and first is close described in two groups Seal 118 is provided at circumferentially spaced along the first bearing circle 102, and the other end is connect with the second bearing circle 103.

Specifically, there are two the settings of the first sealing ring 118 described in every group, two the first sealing rings 118 integrate double containment and exempt from Enclosed structure, sealing are more preferable.

More specifically, the second sealing ring 119 is provided between the second bearing circle 103 and affiliated 3rd bearing circle 105, Sealing is more preferable.

In one embodiment of the application, with reference to shown in Fig. 9, Figure 11 and Figure 12, wherein Fig. 9 is the embodiment of the present application A kind of structural schematic diagram of the first support 104 of the transmission shaft intermediate support component provided；Figure 11 provides for the embodiment of the present application A kind of transmission shaft intermediate support component first bearing circle 102 structural schematic diagram；Figure 12 is provided by the embodiments of the present application A kind of structural schematic diagram of the second bearing circle 103 of transmission shaft intermediate support component；The bearing provided by the embodiments of the present application Component 100 further includes first support 104, described to be used to support first ball in first support 104；The first support 104 are arranged between the first bearing circle 102 and the second bearing, and the first support 104 includes the second connector 112 With the first fixed ring 113, the quantity of first fixed ring 113 be it is multiple, multiple first fixed rings 113 pass through described the The connection of two connectors 112.

Specifically, clearance fit between first fixed ring 113 and first ball guarantees the first fixed ring 113 First ball can be fixed, and can guarantee that first ball realizes rotation inside first fixed ring 113.

More specifically, being filled between first bearing circle 102, second bearing circle 103, first support 104 and the first ball There is lubricating grease, guarantees lubrication, and then guarantee the circumferential sliding function between second bearing circle 103 and 3rd bearing circle 105.

In one embodiment of the application, with reference to shown in Figure 10, Figure 12 and Figure 13, wherein Figure 10 is the application implementation A kind of structural schematic diagram of the second support 106 for transmission shaft intermediate support component that example provides；Figure 12 mentions for the embodiment of the present application A kind of structural schematic diagram of the second bearing circle 103 of the transmission shaft intermediate support component supplied；Figure 13 provides for the embodiment of the present application A kind of transmission shaft intermediate support component 3rd bearing circle 105 structural schematic diagram；The axis provided by the embodiments of the present application Bearing assembly 100 further includes second support 106, described to be used to support second ball in second support 106；

The second support 106 is arranged between the second bearing circle 103 and the 3rd bearing, the second support Including third connector 114 and the second fixed ring 115, the quantity of second fixed ring 115 be it is multiple, multiple described second is solid Determine ring 115 to connect by the third connector 114.

Specifically, clearance fit between second fixed ring 115 and second ball guarantees the second fixed ring 115 Second ball can be fixed, and can guarantee that second ball realizes rotation inside second fixed ring 115.

More specifically, being filled between second bearing circle 103,3rd bearing circle 105, second support 106 and the second ball There is lubricating grease, guarantees lubrication, and then guarantee the function that slides axially between second bearing circle 103 and 3rd bearing circle 105.

In one embodiment of the application, first ball provided by the embodiments of the present application be provided with it is multiple, it is multiple The first ball spaced set；Second ball is provided with multiple, multiple second ball spaced sets.

Specifically, the first ball is preferably arranged to 10, and the second ball 117 is preferably arranged to 6.

In one embodiment of the application, with reference to shown in Figure 13 and Figure 14, wherein Figure 13 provides for the embodiment of the present application A kind of transmission shaft intermediate support component 3rd bearing circle 105 structural schematic diagram；Figure 14 is provided by the embodiments of the present application A kind of structural schematic diagram of the retaining ring 111 of transmission shaft intermediate support component.The bearing assembly 100 provided by the embodiments of the present application It further include retaining ring 111, the quantity of the retaining ring 111 is two, and two retaining rings 111 are separately positioned on the 3rd bearing circle 105 two sides, and the other end of the retaining ring 111 is arranged on the bearing block 101.

Specifically, the inside of the bearing block 101 is arranged at intervals with two circle fixing grooves 108, and two retaining rings 111 are distinguished It is arranged in fixing groove 108, realizes the fixation to the retaining ring 111, the fixation and then realization of two retaining rings 111 are to described The fixation of 3rd bearing circle 105 reaches stable structure.

In one embodiment of the application, with reference to shown in Fig. 3 and Fig. 6, wherein Fig. 3 is provided by the embodiments of the present application A kind of 200 structural schematic diagram of cover plate assembly of transmission shaft intermediate support component；Fig. 6 is a kind of transmission provided by the embodiments of the present application 301 structural schematic diagram of bolt of axis intermediate support component；The cover plate assembly 200 provided by the embodiments of the present application includes installation Portion, fixed part and clamping part；The concave structure of fixed part, the both ends of the fixed part are respectively arranged with the mounting portion, Mounting hole 204 is provided on the mounting portion, first connector passes through the mounting hole 204 for connecting the shell 500；The two sides of the mounting portion are provided with clamping part, and the clamping part is arranged close to the fixed part, and the clamping part is used In the clamping rubber parts 400.

Specifically, the cover plate assembly 200 be preferably cast iron materials, on the one hand, cast iron materials refer to phosphorus content 2% with On casting iron-carbon alloy general name, usually melting is fitted through by the pig iron, steel scrap, ferroalloy etc. in varing proportions and formed.It is main Wanting element, there are also silicon, manganese and the elements such as a small amount of phosphorus and sulphur in addition to iron, carbon, are to return the pig iron (having conversion pig sometimes) again Furnace fusing, and obtained from adding ferroalloy, steel scrap, foundry return adjusting component, on the other hand, cast iron materials have below excellent Point: (1) low production cost, good manufacturability, good casting property, fusing point be low, good fluidity, shrinks small, only 0.5-1.0%2) Excellent cutting performance, chip-breaking performance are good；(2) anti-attrition and wearability are very high, excellent weakening and low notch sensitivity； (3) mechanical property such as tensile strength, plasticity, toughness is lower.

Specifically, first connector preferably uses bolt 301 to connect, and bolt 301 (has outer spiral shell by head and screw rod The cylindrical body 402 of line) a kind of fastener dimerous, it need to cooperate with nut, have through-hole for being fastenedly connected two Part.When nut is screwed off from bolt 301, and the two parts can be made to separate, that is, be detachably connected；More specifically, institute State the bolt 301 that bolt 301 preferentially uses Q1841230TS model.

In one embodiment of the application, refering to what is shown in Fig. 5, wherein, Fig. 5 is a kind of biography provided by the embodiments of the present application 400 structural schematic diagram of rubber parts of moving axis intermediate support component；It is provided on the rubber parts 400 provided by the embodiments of the present application Vibration absorbing structure 401.

Specifically, the vibration absorbing structure 401 is spoke-like vibration structure or is honeycomb vibration absorbing structure 401, first, absorbing knot Structure 401 can play the role of radiating to the rubber parts 400；Second, it is each that the vibration absorbing structure 401 can either adjust product The compression stiffness and rotational stiffness in direction, and make performance of the product with variation rigidity；Branch among truck drive shaft is adjusted simultaneously The deformation of support component in particular directions needs product compression stiffness and the different of torsion stiffness；Third, the vibration absorbing structure 401 can absorb the noise and vibration that supporting assembly generates during the work time among transmission shaft, with product in the prior art In comparison, the hardness for reducing rubber meets automobile and deforms in particular directions to compression stiffness and torsion stiffness for two kinds Difference needs, and increases the damping effect and service life of transmission shaft intermediate supports component.

In one embodiment of the application, refering to what is shown in Fig. 4, wherein, Fig. 4 is a kind of biography provided by the embodiments of the present application 500 structural schematic diagram of shell of moving axis intermediate support component；The shell 500 provided by the embodiments of the present application is U-shaped shell 500, the bottom end of the U-shaped shell 500 offers pilot hole.

Specifically, the shell 500 is preferably the shell 500 of cast iron materials, on the one hand, cast iron materials refer to that phosphorus content exists The general name of 2% or more casting iron-carbon alloy, melting is usually fitted through by the pig iron, steel scrap, ferroalloy etc. in varing proportions and At.There are also silicon, manganese and the elements such as a small amount of phosphorus and sulphur in addition to iron, carbon for essential element, are by the pig iron (having conversion pig sometimes) Again melt down fusing, and obtained from adding ferroalloy, steel scrap, foundry return adjusting component, on the other hand, cast iron materials have with Under advantage: (1) low production cost, good manufacturability, good casting property, fusing point be low, good fluidity, shrinks small, only 0.5- 1.0%2) excellent cutting performance, chip-breaking performance are good；(2) anti-attrition and wearability are very high, and excellent weakening and low notch are quick Perception；(3) mechanical property such as tensile strength, plasticity, toughness is lower.

Further, the first threaded hole 502 is provided on the both ends end face of the U-shaped shell 500, threaded hole is used for and institute The connection of the first connector is stated, further, the second threaded hole, the second threaded hole are provided in two end side surfaces of U-shaped shell 500 For connecting rubber parts 400.

In one embodiment of the application, refering to what is shown in Fig. 5, wherein, Fig. 5 is a kind of biography provided by the embodiments of the present application 400 structural schematic diagram of rubber parts of moving axis intermediate support component；The bottom end of the rubber parts 400 provided by the embodiments of the present application to It is provided with cylindrical body 402 outside, the cylindrical body 402 is adapted with the pilot hole 501.

Specifically, the cylindrical body 402 on the rubber parts 400 and 501 phase of pilot hole on the shell 500 are suitable Match, the clamping part on the end-cap assembly is used to clamp the upper end of the rubber parts 400, and then utilizes the end-cap assembly With the fixed rubber parts 400 of the shell 500, prevent rubber parts 400 from radially moving, the inside of rubber parts 400 is set It is equipped with bearing assembly 100, by the fixed bearing assembly 100 of the fixed rubber parts 400, is also prevented from simultaneously The bearing assembly 100 moves radially.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of transmission shaft intermediate support component, which is characterized in that including bearing assembly, cover plate assembly, shell and rubber parts；

The shell is connect with the cover plate assembly by the first connector, and forms cavity, and the inside cavity setting is State rubber parts；The bearing assembly is embedded with inside the rubber parts；

The bearing assembly includes: the first ball, the second ball and the bearing block being successively arranged within outer, 3rd bearing Circle, second bearing circle and first bearing circle；

Circumferential direction along the outside wall surface of the first bearing circle is provided with the first slideway, along the week of the inner wall of the second bearing circle To being provided with the second slideway；Outside wall surface along the second bearing circle has been provided at circumferentially spaced multiple fixing grooves；Along described The inner wall of three bearing races has been arranged in an axially parallel mode multiple third slideways；

One end of first ball is arranged on first slideway, and the other end of first ball is arranged described second On slideway；

One end of second ball is arranged in the fixing groove, and the other end of second ball is arranged in the third In slideway.

2. transmission shaft intermediate support component according to claim 1, which is characterized in that the bearing assembly further includes two groups First sealing ring, there are two the settings of the first sealing ring described in every group, and the first sealing ring described in two groups is along the first bearing circle It is provided at circumferentially spaced, and the other end is connect with the second bearing circle.

3. transmission shaft intermediate support component according to claim 1, which is characterized in that the bearing assembly further includes first Bracket, the first support are used to support first ball；

The first support is arranged between the first bearing circle and the second bearing circle, and the first support includes second Connector and the first fixed ring, the quantity of first fixed ring be it is multiple, multiple first fixed rings pass through described second Connector connection.

4. transmission shaft intermediate support component according to claim 1, which is characterized in that the bearing assembly further includes second Bracket, the second support are used to support second ball；

The second support is arranged between the second bearing circle and the 3rd bearing, and the second support includes that third connects Fitting and the second fixed ring, the quantity of second fixed ring be it is multiple, multiple second fixed rings are connected by the third Fitting connection.

5. transmission shaft intermediate support component according to claim 1, which is characterized in that first ball is provided with more It is a, multiple first ball spaced sets；Second ball is provided with multiple, and multiple second balls are equidistantly set It sets.

6. transmission shaft intermediate support component according to claim 1, which is characterized in that the bearing assembly further includes gear Circle, the quantity of the retaining ring are two, and two retaining rings are separately positioned on the two sides of the 3rd bearing circle, and the retaining ring The other end be arranged on the bearing block.

7. transmission shaft intermediate support component according to claim 1, which is characterized in that the cover plate assembly includes installation Portion, fixed part and clamping part；

The concave structure of fixed part, the both ends of the fixed part are respectively arranged with the mounting portion, set on the mounting portion It is equipped with mounting hole, first connector passes through the mounting hole for connecting the shell；The two sides of the mounting portion are arranged There is clamping part, and the clamping part is arranged close to the fixed part, the clamping part is for clamping the rubber parts.

8. transmission shaft intermediate support component according to claim 1, which is characterized in that be provided with absorbing on the rubber parts Structure.

9. transmission shaft intermediate support component according to claim 1, which is characterized in that the shell is U-shaped shell, described The bottom end of U-shaped shell offers pilot hole.

10. transmission shaft intermediate support component according to claim 9, which is characterized in that the bottom end of the rubber parts is outside It is provided with cylindrical body, the cylindrical body is adapted with the pilot hole.