CN207018481U - High sealing luck moves one-piece type power takeoff - Google Patents
High sealing luck moves one-piece type power takeoff Download PDFInfo
- Publication number
- CN207018481U CN207018481U CN201720758992.3U CN201720758992U CN207018481U CN 207018481 U CN207018481 U CN 207018481U CN 201720758992 U CN201720758992 U CN 201720758992U CN 207018481 U CN207018481 U CN 207018481U
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- seal
- power takeoff
- sealing
- moves
- type power
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Abstract
The utility model belongs to field of mechanical technique, more particularly to a kind of high sealing luck moves one-piece type power takeoff.It solves the technical problems such as prior art sealing difference.This high sealing luck, which moves one-piece type power takeoff, includes housing, gear input shaft is provided with described housing, described gear input shaft is provided with travelling gear, travelling gear is provided with output shaft, the side of travelling gear is provided with the clutch bushing for being set in output shaft, clutch slot is provided with clutch bushing, housing appearance is provided with cylinder body, fork axle is provided with cylinder body, fork axle is provided with fork, the notch of clutch slot is provided with the guide frame that can be easy in fork insertion clutch slot, fork axle one end is provided with end cap one, double seal is provided between end cap one and fork axle, end cap two is provided with side of the clutch bushing away from bearing two, sealing ring is provided between end cap two and bearing two, sealing ring is circumferentially with clamping piece.The utility model has the advantage of：Design is more reasonable, structural strength is high and good airproof performance.
Description
Technical field
The utility model belongs to field of mechanical technique, more particularly to a kind of high sealing luck moves one-piece type power takeoff.
Background technology
Power takeoff is one or more groups of change-speed gearings, also known as power take off, usually by gear-box, clutch, control
Device combines, and is connected with gearbox low regime clutch or auxiliary box output shaft, outputs power to outside equipment.Such as power takeoff
High-pressure oil pump is driven to be provided from unloading, drive water pump to supply refrigeration car for fire fighting truck, drive compressor, drive hydraulic motor Stirring
Tank etc..
Power takeoff is usually to connect power transmission shaft or be directly connected with gear pump.The sealing of power takeoff is power takeoff work
An important indicator, the service life of power takeoff and the stability of work can be directly affected.Existing power takeoff typically uses O
The sealing that type sealing ring comes between bearing and axle or end cap to power takeoff.O-ring seal has sealing is poor to lack in itself
Point, and have abrasion in the outer ring by prolonged running O-ring seal.Its sealing is poor, virtually shortens power takeoff
Service life is short.Secondly, the clutch in power takeoff is to be used for clutch shifting, the clutch in power takeoff its using fork
Coordinate with the bushing on power takeoff output shaft, realize clutch.Existing bushing is not easy to the plug of fork, in-convenience in use.
To solve above-mentioned technical problem, people have carried out long-term exploration, it is proposed that miscellaneous solution.Example
Such as, Chinese patent literature discloses, a kind of power takeoff, [application number:201220347226.5], including housing and in housing
And the input shaft and output shaft be arrangeding in parallel, driving gear is provided with the input shaft, the output shaft is provided with driven gear,
The driving gear is meshed with driven gear, and the output shaft both ends are equipped with O-ring seal with housing linkage section, and this is defeated
Shaft one end is provided with skeleton-type oil seal, and the program has added skeleton-type oil seal in the output shaft of power takeoff, realizes secondary close
Envelope, enhances sealing effectiveness, is less prone to oil leakage phenomenon, while the program has separation or engagement, as vehicle unloading is
Driving gear and the driven gear engagement of power takeoff, during if do not unloaded, the driving gear and driven gear of power takeoff do not engage, and
During engagement, speed ratio 1:1, just there is during use preferable flexibility ratio to shift gears, manipulate simple, and good appearance.
Although above-mentioned scheme has many advantages, such as the above, the program and unresolved above-mentioned technical problem should
Scheme, which still exists, designs the technical problems such as unreasonable, sealing is poor.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of more reasonable design, good airproof performance and using the longevity
The long high sealing luck of life moves one-piece type power takeoff.
To reach above-mentioned purpose, the utility model employs following technical proposal：This high sealing luck moves one-piece type power taking
Device includes housing, and gear input shaft is provided with described housing, and described gear input shaft is provided with ratcheting with gear input shaft
The travelling gear of connection, described travelling gear are provided with output shaft, and described gear input shaft is by travelling gear by power
Output shaft is driven to, the side of described travelling gear is provided with the clutch bushing for being set in output shaft, is provided with clutch bushing
The clutch slot of annular, described housing appearance are provided with cylinder body, are provided with fork axle in described cylinder body, described fork axle is provided with
It can make to receive power disconnection at output shaft and be caught in the fork in clutch slot, the notch of described clutch slot is provided with and can be easy to
Guide frame in fork insertion clutch slot, described fork axle one end are provided with end cap one, described end cap one and fork axle it
Between be provided with double seal, described travelling gear both sides difference bearing one and bearing two, described clutch bushing are arranged on biography
Between moving gear and bearing two, end cap two, described end cap two and bearing two are provided with side of the clutch bushing away from bearing two
Between be provided with sealing ring, described sealing ring is circumferentially with can be by the clamping piece of sealing ring banding.
In application, by provided with clamping piece, under the active force of clamping piece, the sealing ring oriented direction shape of bearing two all the time
The trend of change so that sealing ring virtually extends all the time between bearing two in sealed connection, its good airproof performance
The service life of this power takeoff；Secondly, guide frame is set, and is advantageous to the plug between fork and clutch slot, clutch shifting is more
Add smooth-going.
In above-mentioned high sealing luck moves one-piece type power takeoff, described sealing ring includes L-shaped sealing, described L
Shape sealing is provided with and annular groove, described card is formed between rectangular seal portion and described rectangular seal portion and L-shaped sealing
Cuffs is arranged in annular groove.
Clamping piece is arranged on annular groove, in the case where not influenceing the sealing property of sealing ring, is not take up space again, and set
Meter is very reasonable.
In above-mentioned high sealing luck moves one-piece type power takeoff, described rectangular seal portion is set close to the side of output shaft
There is the notch of V-shaped groove and V-shaped groove towards output shaft.
The setting of V-shaped groove, reduce the contact area between rectangular seal portion and output shaft, be advantageous to rectangular seal portion and exist
Deformation under clamping piece active force, can better compensate for because of the abrasion of prolonged running sealing ring outer ring and caused by spacing.
In above-mentioned high sealing luck moves one-piece type power takeoff, described double seal include be arranged on end cap one with
First seal and second seal and first seal and second seal between fork axle are arranged at intervals.
In this application, by provided with first seal, second seal, realizing secondary seal, enhancing sealing effect
Fruit, it is less prone to oil leakage phenomenon.
In above-mentioned high sealing luck moves one-piece type power takeoff, described first seal ellipsoidal cross section is described
Second seal be provided with U-lag close to the side of end cap one.
In above-mentioned high sealing luck moves one-piece type power takeoff, described guide frame includes being arranged on clutch slot notch
Chamfering.
In above-mentioned high sealing luck moves one-piece type power takeoff, described bearing one and bearing two are taper roller
Bearing.
Using taper roll bearing, its large carrying capacity.
In above-mentioned high sealing luck moves one-piece type power takeoff, described cylinder body and housing are split settings, and in cylinder
It is provided with and is bolted to connection between body and housing.
Cylinder body and dismounting and maintenance that housing is that split settings can be easy to this power takeoff.
In above-mentioned high sealing luck moves one-piece type power takeoff, junction is provided with the 3rd between described cylinder body and housing
Seal.
The setting of 3rd seal, it further increasing the sealing property of this power takeoff.
Compared with prior art, the advantages of this high sealing luck moves one-piece type power takeoff is：
1st, by the way that provided with clamping piece, under the active force of clamping piece, the sealing ring oriented direction deformation of bearing two all the time becomes
Gesture so that sealing ring virtually extends this power takeoff all the time between bearing two in sealed connection, its good airproof performance
Service life；
2nd, guide frame is set, and is advantageous to the plug between fork and clutch slot, clutch more smoothes out.
3rd, compact-sized and design is more reasonable.
Brief description of the drawings
Fig. 1 is sectional view provided by the utility model.
Fig. 2 is mplifying structure schematic diagram at A in Fig. 1 provided by the utility model.
Fig. 3 is mplifying structure schematic diagram at B in Fig. 1 provided by the utility model.
In figure, housing 1, the 3rd seal 11, gear input shaft 2, output shaft 3, travelling gear 31, clutch bushing 32, from
Close groove 33, chamfering 33a, bearing 1, bearing 2 35, end cap 2 36, sealing ring 37, L-shaped sealing 37a, rectangular seal portion
37b, annular groove 37c, V-shaped groove 37d, clamping piece 38, cylinder body 4, fork axle 41, fork 42, end cap 1, double seal 44,
First seal 44a, second seal 44b, U-lag 44c.
Embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1 to Figure 3, the utility model provides a kind of high sealing luck and moves one-piece type power takeoff, the power takeoff bag
Include housing 1, housing 1 in be provided with gear input shaft 2.Herein, gear input shaft 2 is by input gear and is arranged on input
Two taper roll bearings composition in gear, spacer is provided between two taper roll bearings form.Inputted in gear
Axle 2 is provided with the travelling gear 31 with 2 ratcheting connection of gear input shaft.Output shaft 3, gear input are provided with travelling gear 31
Axle 2 is by travelling gear 31 by power transmission to output shaft 3.The side of travelling gear 31 be provided be set in output shaft 3 from
Close bushing 32.The clutch slot 33 of annular is provided with clutch bushing 32.
The internal cylinder body 4 with connecting setting in housing 1 is provided with the appearance side of housing 1, fork axle is provided with cylinder body 4
41.Fork axle 41 be arranged in parallel with gear input shaft 2.Fork axle 41 is provided with the power that can make to receive at output shaft 3 and disconnected
Fork 42.Specifically, when fork 42 is inserted in clutch slot 33, the power at output shaft 3 disconnects.In the notch of clutch slot 33
Provided with the guide frame that fork 42 can be easy to insert in clutch slot 33.Herein, guide frame includes being arranged on clutch slot 33
The chamfering 33a of notch.And by chamfering 33a setting, fork 42 can be made smoothly to insert in clutch slot 33, clutch is more flat
It is suitable.
End cap 1 is provided with the one end of fork axle 41.Double seal 44 is provided between end cap 1 and fork axle 41.It is double
Resealing part 44 includes being arranged on first seal 44a between end cap 1 and fork axle 41 and second seal 44b and the
One seal 44a and second seal 44b is arranged at intervals.Further, first seal 44a ellipsoidal cross sections, it is described
Second seal 44b is provided with U-lag 44c close to the side of end cap 1.In the present embodiment, by provided with first seal
44a, second seal 44b, realize secondary seal, enhance sealing effectiveness, be less prone to oil leakage phenomenon.
Distinguish bearing 1 and bearing 2 35 in the both sides of travelling gear 31.Clutch bushing 32 is arranged on travelling gear 31 and axle
Hold between 2 35.End cap 2 36 is provided with side of the clutch bushing 32 away from bearing 2 35.Between end cap 2 36 and bearing 2 35
Provided with sealing ring 37, sealing ring 37 is circumferentially with can be by the clamping piece 38 of the banding of sealing ring 37.
Preferably, in the present embodiment, sealing ring 37 is provided with including L-shaped sealing 37a, described L-shaped sealing 37a
Annular groove 37c is formed between rectangular seal portion 37b and rectangular seal portion 37b and L-shaped sealing 37a, clamping piece 38 is arranged on ring
In shape groove 37c.V-shaped groove 37d and V-shaped groove 37d notch is provided with towards defeated close to the side of output shaft 3 in rectangular seal portion 37b
Shaft 3.In the present embodiment, clamping piece 38 is arranged on annular groove 37c, and it is not influenceing the sealing property of sealing ring 37, and not
Space-consuming, design are very reasonable.And V-shaped groove 37c setting, reduce the contact between rectangular seal portion 37b and output shaft 3
Area, be advantageous to deformation of the rectangular seal portion 37b under the active force of clamping piece 38, can better compensate for because of prolonged running
Wear and caused spacing the outer ring of sealing ring 37.
As the prioritization scheme of the present embodiment, bearing 1, bearing 2 35 in the present embodiment are taper roll bearing.
Taper roll bearing has the characteristics of large carrying capacity.
Secondly, cylinder body 4 and housing 1 are split settings, and are provided with and are bolted to connection between cylinder body 4 and housing 1.
This removable setting, be advantageous to the dismounting and maintenance of this power takeoff.Junction is provided with the 3rd between cylinder body 4 and housing 1
Seal 11.The setting of 3rd seal 11, further increase the sealing property of this power takeoff.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although housing 1, the 3rd seal 11, gear input shaft 2, output shaft 3, travelling gear have more been used herein
31st, clutch bushing 32, clutch slot 33, chamfering 33a, bearing 1, bearing 2 35, end cap 2 36, sealing ring 37, L-shaped sealing
37a, rectangular seal portion 37b, annular groove 37c, V-shaped groove 37d, clamping piece 38, cylinder body 4, fork axle 41, fork 42, end cap 1,
The terms such as double seal 44, first seal 44a, second seal 44b, U-lag 44c, but be not precluded from using other arts
The possibility of language.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；They are solved
Any additional limitation is interpreted into all to disagree with the utility model spirit.
Claims (9)
1. a kind of high sealing luck moves one-piece type power takeoff, including housing (1), gear input shaft is provided with described housing (1)
(2), described gear input shaft (2) is provided with the travelling gear (31) with gear input shaft (2) ratcheting connection, described transmission
Gear (31) is provided with output shaft (3), and described gear input shaft (2) is by travelling gear (31) by power transmission to output shaft
(3), it is characterised in that the side of described travelling gear (31), which is provided with, is set in the clutch bushing (32) of output shaft (3), from
The clutch slot (33) that bushing (32) is provided with annular is closed, described housing (1) appearance is provided with cylinder body (4), and described cylinder body (4) is interior
Provided with fork axle (41), described fork axle (41), which is provided with, can make output shaft (3) place receive power disconnection and be caught in clutch
Fork (42) in groove (33), the notch of described clutch slot (33), which is provided with, can be easy to fork (42) to insert in clutch slot (33)
Guide frame, described fork axle (41) one end is provided with end cap one (43), described end cap one (43) and fork axle (41) it
Between be provided with double seal (44), described travelling gear (31) both sides difference bearing one (34) and bearing two (35) are described
Clutch bushing (32) is arranged between travelling gear (31) and bearing two (35), in clutch bushing (32) away from bearing two (35)
Side is provided with end cap two (36), and sealing ring (37), described sealing are provided between described end cap two (36) and bearing two (35)
Circle (37) is circumferentially with can be by the clamping piece (38) of sealing ring (37) banding.
2. high sealing luck according to claim 1 moves one-piece type power takeoff, it is characterised in that described sealing ring (37)
Including L-shaped sealing (37a), described L-shaped sealing (37a) is provided with rectangular seal portion (37b) and described rectangular seal
Annular groove (37c) is formed between portion (37b) and L-shaped sealing (37a), described clamping piece (38) is arranged on annular groove (37c)
It is interior.
3. high sealing luck according to claim 2 moves one-piece type power takeoff, it is characterised in that described rectangular seal portion
(37b) is provided with notch of V-shaped groove (37d) and V-shaped groove (37d) towards output shaft (3) close to the side of output shaft (3).
4. high sealing luck according to claim 1 moves one-piece type power takeoff, it is characterised in that described double seal
(44) include being arranged on first seal (44a) between end cap one (43) and fork axle (41) and second seal (44b) and
First seal (44a) and second seal (44b) are arranged at intervals.
5. high sealing luck according to claim 4 moves one-piece type power takeoff, it is characterised in that described first seal
(44a) ellipsoidal cross section, described second seal (44b) are provided with U-lag (44C) close to the side of end cap one (43).
6. high sealing luck according to claim 1 moves one-piece type power takeoff, it is characterised in that described guide frame bag
Include the chamfering (33a) for being arranged on clutch slot (33) notch.
7. high sealing luck according to claim 1 moves one-piece type power takeoff, it is characterised in that described bearing one
(34) and bearing two (35) is taper roll bearing.
8. high sealing luck according to claim 1 moves one-piece type power takeoff, it is characterised in that described cylinder body (4) with
Housing (1) is split settings, and is provided with and is bolted to connection between cylinder body (4) and housing (1).
9. high sealing luck according to claim 1 moves one-piece type power takeoff, it is characterised in that described cylinder body (4) with
Junction is provided with the 3rd seal (11) between housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758992.3U CN207018481U (en) | 2017-06-27 | 2017-06-27 | High sealing luck moves one-piece type power takeoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758992.3U CN207018481U (en) | 2017-06-27 | 2017-06-27 | High sealing luck moves one-piece type power takeoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018481U true CN207018481U (en) | 2018-02-16 |
Family
ID=61485816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720758992.3U Expired - Fee Related CN207018481U (en) | 2017-06-27 | 2017-06-27 | High sealing luck moves one-piece type power takeoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050167A (en) * | 2017-12-01 | 2018-05-18 | 哈尔滨东安汽车动力股份有限公司 | A kind of new structure power takeoff |
-
2017
- 2017-06-27 CN CN201720758992.3U patent/CN207018481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050167A (en) * | 2017-12-01 | 2018-05-18 | 哈尔滨东安汽车动力股份有限公司 | A kind of new structure power takeoff |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180216 Termination date: 20200627 |