CN203743397U - Power takeoff involute internal spline gear engaging mechanism - Google Patents
Power takeoff involute internal spline gear engaging mechanism Download PDFInfo
- Publication number
- CN203743397U CN203743397U CN201420046797.4U CN201420046797U CN203743397U CN 203743397 U CN203743397 U CN 203743397U CN 201420046797 U CN201420046797 U CN 201420046797U CN 203743397 U CN203743397 U CN 203743397U
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- CN
- China
- Prior art keywords
- gear
- piston rod
- shaft
- inner spline
- splined shaft
- 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 power takeoff involute internal spline gear engaging mechanism which comprises a piston rod, a thrust shaft and a driven gear, wherein a shaft head of the piston rod is sleeved with a piston, a hook is arranged on a shaft tail of the piston rod, a buckle matched with the hook is arranged at the end of a shaft head of the thrush shaft, and the piston rod is fixedly connected with the thrush shaft through the hook and the buckle; the thrush shaft is sleeved with a spline shaft, a first shaft body of the spline shaft is sleeved with an internal spline sleeve, the thrush shaft, the spline shaft and the internal spline sleeve are fixedly connected in the circumferential direction through pins, and a second shaft body of the spline shaft is sleeved with the driven gear. The power takeoff involute internal spline gear engaging mechanism has the advantages that the structure is simple and compact, manufacturing is easy, gear engaging and disengaging are smooth and stable, transmission torque is large, the internal spline sleeve is resistant to abrasion and shock, working is stable, no noise is caused, the service life of a power takeoff device can be effectively prolonged, and cost is reduced.
Description
Technical field
The utility model relates to a kind of power take-off involute inner spline mechanism of putting into gear.
Background technique
At present the power take-off mode of putting into gear has following several types: pull out tooth and put into gear, pull out that sliding sleeve is put into gear, external splines is put into gear, the nonstandard internal spline of rectangle is put into gear etc.Although these modes of putting into gear can realize the function of output torque, all come with some shortcomings.The external splines close with the utility model of take put into gear mode as example, it manufactures relative complex, volume is relatively large, cost is higher, in working order under, the bearing of splined shaft end, can bear large lasting axial force, and when driven gear size hour, its driven gear internal spline, the design of sliding sleeve and splined shaft will be difficult to meet the demands in physical dimension and rigidity; The nonstandard spline of rectangle of take is again put into gear mode as example, and while putting into gear, driven gear axially moves, and impact force is larger, puts into gear not steady, and adopts nonstandard square key, and its rigid phase, to poor, is easily beaten tooth when putting into gear.
Model utility content
The purpose of this utility model is to provide a kind of power take-off involute inner spline mechanism of putting into gear, to overcome prior art above shortcomings.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of power take-off involute inner spline mechanism of putting into gear, comprise piston rod, thrust axis and driven gear, the spindle nose of described piston rod is set with piston, the axle tail of described piston rod is provided with hook, the spindle nose end of described thrust axis is provided with the buckle matching with described hook, and described piston rod is fixedly connected with buckle by described hook with thrust axis; Described thrust axis outside is set with splined shaft, and axle body one outside of described splined shaft is set with inner spline housing, and described thrust axis, splined shaft are circumferentially fixedly connected with by pin edge with inner spline housing; Described driven gear is sleeved on axle body two outsides of splined shaft, described driven gear front end is provided with axle body one outside of described splined shaft the external splines that structure is identical, described inner spline housing inner side is provided with the internal spline matching with described external splines, and described driven gear is all circumferentially fixedly connected with described inner spline housing edge by the engagement of described external splines and internal spline with splined shaft; The axle body one of described splined shaft is provided with waist shaped hole, and described inner spline housing is slidably connected vertically by described waist shaped hole and described splined shaft.
Further, described pin bottom is provided with blind hole.
Further, the shaft shoulder of described piston rod outside is set with outer jump ring.
Further, described piston rod outside is set with air chamber.
Further, described piston is fixedly connected with by interior jump ring vertically with air chamber.
Further, described piston rod and piston outside are all set with stage clip, and described air chamber is provided with vent.
Further, described piston rod outside is set with stage clip, and described piston outside is set with electromagnetic coil.
The beneficial effects of the utility model are: simple and compact for structure, easy to manufacture; Put into gear, off-gear is smooth and easy steadily, transmitting torque is large; Inner spline housing is wear-resistant, shock-resistant; Stable working, noise free, can effectively extend working life of power take-off, reduces costs.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is that power take-off vacuum is handled the put into gear longitudinal sectional view of mechanism's off-gear state of involute inner spline described in the utility model embodiment;
Fig. 2 is that power take-off vacuum is handled involute inner spline the put into gear longitudinal sectional view of state of mechanism of putting into gear described in the utility model embodiment;
Fig. 3 is the longitudinal sectional view of pin described in the utility model embodiment;
Fig. 4 is the longitudinal sectional view of splined shaft described in the utility model embodiment;
Fig. 5-1st, the side view of piston rod described in the utility model embodiment;
Fig. 5-2nd, the longitudinal sectional view of piston rod described in the utility model embodiment;
Fig. 6 is the longitudinal sectional view of thrust axis described in the utility model embodiment;
Fig. 7 is that power take-off vacuum is handled the put into gear longitudinal sectional view of mechanism's off-gear state of involute inner spline described in another embodiment of the utility model.
In figure:
1, piston; 2, air chamber; 3, piston rod; 4, thrust axis; 5, splined shaft; 6, inner spline housing; 7, driven gear; 8, pin; 9, stage clip; 10, interior jump ring; 11, outer jump ring; 12, blind hole; 13, waist shaped hole; 14, hook; 15, buckle; 16, electromagnetic coil; 17, axle body one; 18, axle body two; 19, external splines; 20, vent; 21, the shaft shoulder.
Embodiment
As shown in Fig. 1-6, show put into gear the first mode of execution of mechanism of a kind of power take-off involute inner spline described in the utility model, for adopting the vacuum-operated involute inner spline mechanism of putting into gear, comprise piston rod 3, thrust axis 4 and driven gear 7, the spindle nose of described piston rod 3 is set with piston 1, the axle tail of described piston rod 3 is provided with hook 14, the spindle nose end of described thrust axis 4 is provided with the buckle 15 matching with described hook 14, and described piston rod 3 is fixedly connected with buckle 15 by described hook 14 with thrust axis 4; Described thrust axis 4 outsides are set with splined shaft 5, and axle body one 17 outsides of described splined shaft 5 are set with inner spline housing 6, and described thrust axis 4, splined shaft 5 are circumferentially fixedly connected with by pin 8 edges with inner spline housing 6; Described driven gear 7 is sleeved on axle body 2 18 outsides of splined shaft 5, described driven gear 7 front ends are provided with axle body one 17 outsides of described splined shaft 5 external splines 19 that structure is identical, described inner spline housing 6 inner sides are provided with the internal spline matching with described external splines 19, and described driven gear 7 is all circumferentially fixedly connected with described inner spline housing 6 edges by the engagement of described external splines 19 and internal spline with splined shaft 5; The axle body 1 of described splined shaft 5 is provided with waist shaped hole 13, and described inner spline housing 6 is slidably connected with described splined shaft 5 vertically by described waist shaped hole 13.
Described pin 8 bottoms are provided with blind hole 12, the shaft shoulder 21 outsides of described piston rod 3 are set with outer jump ring 11, described piston rod 3 outsides are set with air chamber 2, described piston 1 is fixedly connected with by interior jump ring 10 vertically with air chamber 2, described piston rod 3 is all set with stage clip 9 with piston 1 outside, and described air chamber 2 is provided with vent 20.
Driven gear is assemblied on splined shaft 5, and axial restraint can only be realized and rotatablely moving; After inner spline housing 6, splined shaft 5, thrust axis 4 and pin 8 assemblings, by one end of riveting pin 8, four members are linked together, and inner spline housing 6, thrust axis 4, pin 8 can move axially along splined shaft 5, and the waist shaped hole 13 on splined shaft 5 play the guiding role; Hook 14 on piston rod 3, with after buckle 15 on thrust axis 4 connects, can transmit axial force, but limit thrust axle 4 does not rotate freely; After piston 1 assembles with piston rod 3, fixing with outer jump ring 11, can move axially along air chamber 2; After piston 1, piston rod 3, stage clip 9 pack in air chamber 2, fixing with interior jump ring 10, piston 1 is just definite with the axially movable limit position of method stopper rod axle.
During concrete use, when vacuum is handled when air-breathing, produce negative pressure thrust F1(and be greater than stage clip 9 ultimate resilience F2) promotion piston 1 and piston rod 3, drive thrust axis 4, pin 8 to move axially along splined shaft 5 with inner spline housing 6 to the right, when piston 1 end face contacts with air chamber 2 inwalls, axially realize location, reach the steady state of putting into gear; When vacuum is handled venting, negative pressure thrust F1 disappears, and piston 1 and piston rod 3 are under the effect of stage clip 9 elastic force F2, drive thrust axis 4, pin 8 to move axially along splined shaft 5 with inner spline housing 6 left, when piston 1 end face contacts with interior jump ring 10, axially realize location, reach off-gear steady state.
As shown in Figure 7, show put into gear the second mode of execution of mechanism of a kind of power take-off involute inner spline described in the utility model, for adopting the solenoid-operated involute inner spline mechanism of putting into gear, the difference of itself and the first mode of execution is: in piston rod 3 outsides, be set with stage clip 9, in described piston 1 outside, be set with electromagnetic coil 16.Rather than vent is set, adopt vacuum to handle.
During concrete use, when electromagnetic coil 16 energising, produce induced force F3(and be greater than stage clip 9 ultimate resilience F2) promotion piston rod 3, drive thrust axis 4, pin 8 to move axially along splined shaft 5 with inner spline housing 6 to the right, when piston rod 3 step surfaces contact with air chamber 2 inwalls, axially realize location, reach the steady state of putting into gear; When electromagnetically-operated power-off, induced force F3 disappears, and piston rod 3 is under the effect of stage clip 9 elastic force F2, drive thrust axis 4, pin 8 to move axially along splined shaft 5 with inner spline housing 6 left, when pin 8 inwalls contact with splined shaft 5 waist shaped holes 13, axially realize location, reach off-gear steady state.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technological scheme, within all dropping on protection domain of the present utility model.
Claims (7)
1. the power take-off involute inner spline mechanism of putting into gear, comprise piston rod (3), thrust axis (4) and driven gear (7), it is characterized in that: the spindle nose of described piston rod (3) is set with piston (1), the axle tail of described piston rod (3) is provided with hook (14), the spindle nose end of described thrust axis (4) is provided with the buckle (15) matching with described hook (14), and described piston rod (3) is fixedly connected with buckle (15) by described hook (14) with thrust axis (4); Described thrust axis (4) outside is set with splined shaft (5), axle body one (17) outside of described splined shaft (5) is set with inner spline housing (6), and described thrust axis (4), splined shaft (5) are circumferentially fixedly connected with by pin (8) edge with inner spline housing (6); Described driven gear (7) is sleeved on axle body two (18) outsides of splined shaft (5), described driven gear (7) front end is provided with the external splines that structure is identical (19) with axle body one (17) outside of described splined shaft (5), described inner spline housing (6) inner side is provided with the internal spline matching with described external splines (19), and described driven gear (7) is all circumferentially fixedly connected with described inner spline housing (6) edge by the engagement of described external splines (19) and internal spline with splined shaft (5); The axle body one (17) of described splined shaft (5) is provided with waist shaped hole (13), and described inner spline housing (6) is slidably connected vertically by described waist shaped hole (13) and described splined shaft (5).
2. a kind of power take-off involute inner spline according to claim 1 mechanism of putting into gear, is characterized in that: described pin (8) bottom is provided with blind hole (12).
3. a kind of power take-off involute inner spline according to claim 2 mechanism of putting into gear, is characterized in that: the shaft shoulder (21) outside of described piston rod (3) is set with outer jump ring (11).
4. a kind of power take-off involute inner spline according to claim 3 mechanism of putting into gear, is characterized in that: described piston rod (3) outside is set with air chamber (2).
5. a kind of power take-off involute inner spline according to claim 4 mechanism of putting into gear, is characterized in that: described piston (1) is fixedly connected with by interior jump ring (10) vertically with air chamber (2).
6. a kind of power take-off involute inner spline according to claim 5 mechanism of putting into gear, is characterized in that: described piston rod (3) is all set with stage clip (9) with piston (1) outside, and described air chamber (2) is provided with vent (20).
7. a kind of power take-off involute inner spline according to claim 5 mechanism of putting into gear, is characterized in that: described piston rod (3) outside is set with stage clip (9), and described piston (1) outside is set with electromagnetic coil (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046797.4U CN203743397U (en) | 2014-01-24 | 2014-01-24 | Power takeoff involute internal spline gear engaging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046797.4U CN203743397U (en) | 2014-01-24 | 2014-01-24 | Power takeoff involute internal spline gear engaging mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743397U true CN203743397U (en) | 2014-07-30 |
Family
ID=51343198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420046797.4U Expired - Fee Related CN203743397U (en) | 2014-01-24 | 2014-01-24 | Power takeoff involute internal spline gear engaging mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145679A (en) * | 2020-09-18 | 2020-12-29 | 西安法士特汽车传动有限公司 | AMT transmission |
| CN112324907A (en) * | 2020-10-28 | 2021-02-05 | 陕西法士特汽车传动集团有限责任公司 | Direct-drive through shaft power takeoff |
-
2014
- 2014-01-24 CN CN201420046797.4U patent/CN203743397U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145679A (en) * | 2020-09-18 | 2020-12-29 | 西安法士特汽车传动有限公司 | AMT transmission |
| CN112324907A (en) * | 2020-10-28 | 2021-02-05 | 陕西法士特汽车传动集团有限责任公司 | Direct-drive through shaft power takeoff |
| CN112324907B (en) * | 2020-10-28 | 2022-08-12 | 陕西法士特汽车传动集团有限责任公司 | Direct-drive through shaft power takeoff |
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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 |
Granted publication date: 20140730 Termination date: 20150124 |
|
| EXPY | Termination of patent right or utility model |