CN204647039U - Truck drive shaft - Google Patents
Truck drive shaft Download PDFInfo
- Publication number
- CN204647039U CN204647039U CN201520336784.5U CN201520336784U CN204647039U CN 204647039 U CN204647039 U CN 204647039U CN 201520336784 U CN201520336784 U CN 201520336784U CN 204647039 U CN204647039 U CN 204647039U
- Authority
- CN
- China
- Prior art keywords
- splined shaft
- dust
- ball cage
- proof cover
- cage body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of truck drive shaft, comprise the first axle body, the second axle body, first rotation seat, second rotation seat, scaffold, splined shaft, ball cage body, trident and dust-proof cover, dust-proof cover and splined shaft are coaxially arranged, splined shaft wherein one end trident extended in dust-proof cover and dust-proof cover forms and links, ball cage body is provided with ring block on the end face of dust-proof cover, ring block inner peripheral surface is provided with endless glide and the ring slider along the axial slippage in endless glide of splined shaft, ring slider comprises the slipping part that coordinates with endless glide and to extend in ball cage body and to offset the stop part of joining with trident end face, dust-proof cover is provided with the positioning step of joining with ring block end card, positioning step is provided with the reset assembly resetted to ball cage body by ring slider.Adopt such scheme, the utility model provide a kind of avoid trident to deviate from ball cage body splined shaft and the mounting structure of ball cage body, make that the working stability of splined shaft and ball cage mates is higher, working life is longer.
Description
Technical field
The utility model is specifically related to a kind of truck drive shaft.
Background technique
Splined shaft and ball cage body are as the main transmission part of truck drive shaft, form the linkage function of driving shaft and miscellaneous part, often be provided with trident and splined shaft end in ball cage body to link and arrange, dust-proof cover be often set between splined shaft outer circumferential face and ball cage external week and prevent from dust from entering in ball cage body causing wearing and tearing in ball cage body; For ensureing splined shaft and ball cage body balance, both are unified after adjustment and installation carries, because carrying support point is different, trident likely can to dust-proof cover slippage, because dust-proof cover has elasticity, trident can make its extrusion-deformation or damage, finally deviates from between splined shaft and ball cage body; Secondly, reinstall after trident is deviate from, can occur offseting with the position of debugging before, produce vibration and noise when causing splined shaft to rotate, affect working stability.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of truck drive shaft avoiding trident to deviate from ball cage body, makes that the working stability of splined shaft and ball cage mates is higher, working life is longer.
For achieving the above object, the utility model provides following technological scheme: comprise the first axle body, the second axle body, first rotation seat, second rotation seat, scaffold, splined shaft, ball cage body, trident and dust-proof cover, described dust-proof cover and splined shaft are coaxially arranged, its one end is installed on splined shaft outer circumferential face, the other end is installed on the external side face of ball cage, described splined shaft wherein one end trident extended in dust-proof cover and dust-proof cover forms and links, described the first axle body is coaxial and be fixedly installed on the other end of splined shaft relative ball cage body, the first described rotation seat is arranged at the other end of the first axle body relative spline shaft, described the second axle body is coaxial and be fixedly installed on the other end of ball cage body relative spline shaft, the second described rotation seat is arranged at the other end of the second axle body relative ball cage body, described scaffold is arranged at splined shaft outer circumferential face and rolls with splined shaft outer circumferential face and coordinates, it is characterized in that: described ball cage body is provided with ring block on the end face of dust-proof cover, described ring block inner peripheral surface is provided with endless glide and the ring slider along the axial slippage in endless glide of splined shaft, described ring slider comprises the slipping part that coordinates with endless glide and to extend in ball cage body and to offset the stop part of joining with trident end face, described dust-proof cover is provided with the positioning step of joining with ring block end card, described positioning step is provided with the reset assembly resetted to ball cage body by ring slider.
By adopting technique scheme, the ring slider of slippage in endless glide is under reset assembly effect, its stop part and trident end face offset, cushion when moving to disengaging ball cage body direction at trident, trident slippage is not hindered while avoiding it to deviate from ball cage body, ring block adds the area of contact with dust-proof cover by the ring block of positioning step and dust-proof cover determination relative position simultaneously, stability is installed in further increase, also makes that the working stability of splined shaft and ball cage body is higher, working life is longer.
The utility model is set to further: described reset assembly comprises Returnning spring, the first mounting groove and the second mounting groove, relative with ring slider on the end face that the first described mounting groove is arranged at positioning step relative spline shaft radial direction, relative with the first mounting groove of positioning step on the end face that the second described mounting groove is arranged at the slipping part relative spline shaft radial direction of ring slider, described Returnning spring to be compressed between the first mounting groove and the second mounting groove and with the first mounting groove and the second mounting groove shape suitable.
By adopting technique scheme, it is stable that the first mounting groove and the second mounting groove make Returnning spring install, and Returnning spring also makes trident increasing along with departing from ball cage body reposition force gradually, avoids the trident except manual demolition to depart from ball cage body completely.
The utility model is set to further: described splined shaft is by first module, second unit and length adjustment assembly composition, described length adjustment assembly comprises adjustment blind hole that first module coaxially arranges towards second unit and the regulating block suitable with regulating blind hole shape that second unit is coaxially arranged towards first module, described adjustment blind hole comprises inner peripheral surface and is disposed with several screens grooves vertically, described regulating block outer circumferential face is provided with elastomer block, be provided with the direction of edge away from first module in described each screens groove elastomer block guided to the guide surface of next screens groove and stop that elastomer block is repositioned to the prevent surface of a upper screens groove.
By adopting technique scheme, length adjustment assembly makes the length of splined shaft be convenient to regulate, increase its Applicable scope, when regulating block stretches into adjustment blind hole, elastomer block and screens slot fit realize screens and lock splined shaft length, time in working order, prevent surface stops splined shaft Length Contraction, and when off working state, guide surface makes splined shaft be convenient to regulate, and increases practicability further.
The utility model is set to further: described dust-proof cover and the mounting end of splined shaft are provided with towards splined shaft the annular boss that cross section is isosceles trapezoid, this annular boss to block mutually towards splined shaft and with the locating slot that splined shaft outer circumferential face is arranged compared with small end and joins, and the position that described dust-proof cover outer circumferential face is corresponding with annular boss is provided with locking slot and is flush-mounted in the collar shunk in locating slot by dust-proof cover in locking slot.
By adopting technique scheme, cross section is that the annular boss of isosceles trapezoid coordinates the elastic nature of dust-proof cover that dust-proof cover can be slipped into from any one end of locating slot to realize locating function, being shunk in locating slot by dust-proof cover by collar makes annular boss not easily deviate from locating slot, locking slot then avoids collar along splined shaft axial slip, increases and installs stability.
The utility model is set to further: the mounting end of described dust-proof cover and the external side face of ball cage is provided with Z-shaped card base bending to the inside, the position that the described external side face of ball cage is corresponding with Z-shaped card base is provided with installation step, and the turning point of described Z-shaped card base and the turning point of installation step form card and join.
By adopting technique scheme, Z-shaped card base has certain oscillatory, automatically can coordinate with the turning point of installation step according to the installation step size of reality, increases the installation Applicable scope of dust-proof cover, namely increases usability.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the cooperation schematic diagram of splined shaft in the utility model embodiment, ball cage body and dust-proof cover;
Fig. 3 is the enlarged view of A in Fig. 2;
Fig. 4 is the enlarged view of B in Fig. 2;
Fig. 5 is the enlarged view of C in Fig. 2.
Embodiment
As Figure 1-Figure 5, the utility model discloses a kind of truck drive shaft, comprise the first axle body 5, the second axle body 6, first rotation seat 51, second rotation seat 61, scaffold 7, splined shaft 1, ball cage body 2, trident 3 and dust-proof cover 4, dust-proof cover 4 and splined shaft 1 are coaxially arranged, its one end is installed on splined shaft 1 outer circumferential face, the other end is installed on ball cage body 2 outer circumferential face, splined shaft 1 wherein one end extends to dust-proof cover 4 and forms with the trident 3 in dust-proof cover 4 and link, the first axle body 5 is coaxial and be fixedly installed on the other end of splined shaft 1 ball cage body 2 relatively, first rotation seat 51 is arranged at the other end of the first axle body 5 relative spline shaft 1, the second axle body 6 is coaxial and be fixedly installed on the other end of ball cage body 2 relative spline shaft 1, second rotation seat 61 is arranged at the other end of the relative ball cage body of the second axle body 6, scaffold 7 is arranged at splined shaft outer circumferential face and rolls with splined shaft 1 outer circumferential face and coordinates, ball cage body 2 is provided with ring block 21 on the end face of dust-proof cover 4, ring block 21 inner peripheral surface is provided with endless glide 22 and the ring slider 23 along the axial slippage in endless glide 22 of splined shaft 1, ring slider 23 comprises the slipping part 231 that coordinates with endless glide 22 and to extend in ball cage body 2 and to offset the stop part 232 of joining with trident 3 end face, dust-proof cover 4 is provided with the positioning step 41 of joining with ring block 21 end card, positioning step 41 is provided with the reset assembly resetted to ball cage body 2 by ring slider 23, the ring slider 23 of slippage in endless glide 22 is under reset assembly effect, its stop part 232 offsets with trident 3 end face, cushion when moving to disengaging ball cage body 2 direction at trident 3, trident 3 slippage is not hindered while avoiding it to deviate from ball cage body 2, by positioning step 41 and dust-proof cover 4, ring block 21 determines that the ring block 21 of relative position adds the area of contact with dust-proof cover 4 simultaneously, stability is installed in further increase, also make splined shaft 1 higher with the working stability of ball cage body 2, working life is longer.
Reset assembly comprises Returnning spring 42, first mounting groove 43 and the second mounting groove 24, relative with ring slider 23 on the end face that first mounting groove 43 is arranged at positioning step 41 relative spline shaft 1 radial direction, relative with the first mounting groove 43 of positioning step 41 on the end face that second mounting groove 24 is arranged at slipping part 231 relative spline shaft 1 radial direction of ring slider 23, Returnning spring 42 to be compressed between the first mounting groove 43 and the second mounting groove 23 and with the first mounting groove 43 and the second mounting groove 23 shape suitable, it is stable that first mounting groove 43 and the second mounting groove 23 make Returnning spring 42 install, Returnning spring 42 also makes trident 3 increasing along with departing from ball cage body 2 reposition force gradually, the trident 3 except manual demolition is avoided to depart from ball cage body 2 completely.
Splined shaft 1 is by first module 11, second unit 12 and length adjustment assembly composition, length adjustment assembly comprises adjustment blind hole 111 that first module 11 coaxially arranges towards second unit 12 and the regulating block 121 suitable with regulating blind hole 111 shape that second unit 12 is coaxially arranged towards first module 11, regulate blind hole 111 to comprise inner peripheral surface and be disposed with several screens grooves 112 vertically, regulating block 121 outer circumferential face is provided with elastomer block 122, be provided with the direction of edge away from first module 11 in each screens groove 112 elastomer block 112 guided to the guide surface 1121 of next screens groove 112 and stop that elastomer block 122 is repositioned to the prevent surface 1222 of a upper screens groove 112, length adjustment assembly makes the length of splined shaft 1 be convenient to regulate, increase its Applicable scope, when regulating block 121 stretches into adjustment blind hole 111, elastomer block 122 coordinates with screens groove 112 and realizes screens and lock splined shaft 1 length, time in working order, prevent surface 1222 stops splined shaft 1 Length Contraction, when off working state, guide surface 1221 makes splined shaft 1 be convenient to regulate, further increase practicability.
Dust-proof cover 4 is provided with towards splined shaft 1 annular boss 44 that cross section is isosceles trapezoid with the mounting end of splined shaft 1, this annular boss 44 to be joined with the locating slot 13 phase card that splined shaft 1 outer circumferential face is arranged towards splined shaft 1 compared with small end, the position that dust-proof cover 4 outer circumferential face is corresponding with annular boss 44 is provided with locking slot 45 and is flush-mounted in the collar 46 shunk in locating slot 13 by dust-proof cover 4 in locking slot 45, cross section is that the annular boss 44 of isosceles trapezoid coordinates the elastic nature of dust-proof cover 4 that dust-proof cover 4 can be slipped into from any one end of locating slot 13 to realize locating function, being shunk in locating slot 13 by dust-proof cover 4 by collar 46 makes annular boss 44 not easily deviate from locating slot 27, locking slot 45 avoids collar 46 along splined shaft 1 axial slip, increase and stability is installed.
Dust-proof cover 4 is provided with Z-shaped card base 47 bending to the inside with the mounting end of ball cage body 2 outer circumferential face, the position that ball cage body 2 outer circumferential face is corresponding with Z-shaped card base 47 is provided with installation step 25, the turning point of Z-shaped card base 47 and the turning point of installation step 25 form card and join, Z-shaped card base 47 has certain oscillatory, automatically can coordinate with the turning point of installation step 25 according to installation step 25 size of reality, increase the installation Applicable scope of dust-proof cover 4, namely increase usability.
Claims (5)
1. a truck drive shaft, comprise the first axle body, the second axle body, first rotation seat, second rotation seat, scaffold, splined shaft, ball cage body, trident and dust-proof cover, described dust-proof cover and splined shaft are coaxially arranged, its one end is installed on splined shaft outer circumferential face, the other end is installed on the external side face of ball cage, described splined shaft wherein one end trident extended in dust-proof cover and dust-proof cover forms and links, described the first axle body is coaxial and be fixedly installed on the other end of splined shaft relative ball cage body, the first described rotation seat is arranged at the other end of the first axle body relative spline shaft, described the second axle body is coaxial and be fixedly installed on the other end of ball cage body relative spline shaft, the second described rotation seat is arranged at the other end of the second axle body relative ball cage body, described scaffold is arranged at splined shaft outer circumferential face and rolls with splined shaft outer circumferential face and coordinates, it is characterized in that: described ball cage body is provided with ring block on the end face of dust-proof cover, described ring block inner peripheral surface is provided with endless glide and the ring slider along the axial slippage in endless glide of splined shaft, described ring slider comprises the slipping part that coordinates with endless glide and to extend in ball cage body and to offset the stop part of joining with trident end face, described dust-proof cover is provided with the positioning step of joining with ring block end card, described positioning step is provided with the reset assembly resetted to ball cage body by ring slider.
2. truck drive shaft according to claim 1, it is characterized in that: described reset assembly comprises Returnning spring, the first mounting groove and the second mounting groove, relative with ring slider on the end face that the first described mounting groove is arranged at positioning step relative spline shaft radial direction, relative with the first mounting groove of positioning step on the end face that the second described mounting groove is arranged at the slipping part relative spline shaft radial direction of ring slider, described Returnning spring to be compressed between the first mounting groove and the second mounting groove and with the first mounting groove and the second mounting groove shape suitable.
3. truck drive shaft according to claim 1, it is characterized in that: described splined shaft is by first module, second unit and length adjustment assembly composition, described length adjustment assembly comprises adjustment blind hole that first module coaxially arranges towards second unit and the regulating block suitable with regulating blind hole shape that second unit is coaxially arranged towards first module, described adjustment blind hole comprises inner peripheral surface and is disposed with several screens grooves vertically, described regulating block outer circumferential face is provided with elastomer block, be provided with the direction of edge away from first module in described each screens groove elastomer block guided to the guide surface of next screens groove and stop that elastomer block is repositioned to the prevent surface of a upper screens groove.
4. the truck drive shaft according to claim 1 or 2 or 3, it is characterized in that: described dust-proof cover and the mounting end of splined shaft are provided with towards splined shaft the annular boss that cross section is isosceles trapezoid, this annular boss to block mutually towards splined shaft and with the locating slot that splined shaft outer circumferential face is arranged compared with small end and joins, and the position that described dust-proof cover outer circumferential face is corresponding with annular boss is provided with locking slot and is flush-mounted in the collar shunk in locating slot by dust-proof cover in locking slot.
5. the truck drive shaft according to claim 1 or 2 or 3, it is characterized in that: the mounting end of described dust-proof cover and the external side face of ball cage is provided with Z-shaped card base bending to the inside, the position that the described external side face of ball cage is corresponding with Z-shaped card base is provided with installation step, and the turning point of described Z-shaped card base and the turning point of installation step form card and join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520336784.5U CN204647039U (en) | 2015-05-22 | 2015-05-22 | Truck drive shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520336784.5U CN204647039U (en) | 2015-05-22 | 2015-05-22 | Truck drive shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647039U true CN204647039U (en) | 2015-09-16 |
Family
ID=54099797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520336784.5U Expired - Fee Related CN204647039U (en) | 2015-05-22 | 2015-05-22 | Truck drive shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647039U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215206A (en) * | 2016-03-22 | 2017-09-29 | 陕西通力专用汽车有限责任公司 | Expanded letter mine truck driver and its installation method, expanded letter mine truck |
| CN108105273A (en) * | 2018-01-11 | 2018-06-01 | 宁波万航实业有限公司 | A kind of constant velocity universal joint drive spindle assembly |
-
2015
- 2015-05-22 CN CN201520336784.5U patent/CN204647039U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215206A (en) * | 2016-03-22 | 2017-09-29 | 陕西通力专用汽车有限责任公司 | Expanded letter mine truck driver and its installation method, expanded letter mine truck |
| CN108105273A (en) * | 2018-01-11 | 2018-06-01 | 宁波万航实业有限公司 | A kind of constant velocity universal joint drive spindle assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20190522 |