CN205937568U - Novel power takeoff - Google Patents
Novel power takeoff Download PDFInfo
- Publication number
- CN205937568U CN205937568U CN201620928592.8U CN201620928592U CN205937568U CN 205937568 U CN205937568 U CN 205937568U CN 201620928592 U CN201620928592 U CN 201620928592U CN 205937568 U CN205937568 U CN 205937568U
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- output shaft
- mentioned
- piston
- gear
- cylinder
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Abstract
The utility model provides a novel power takeoff belongs to mechanical technical field. It has solved the not high problem of prior art stability. This novel power takeoff still includes output shaft, input gear, output gear, piston and spring including inside for the casing of cavity, and above -mentioned output shaft all has the bearing in the casing and between the both ends of output shaft and the casing, and above -mentioned output gear overlaps on the output shaft, and above -mentioned input gear connects on the casing and input gear meshes with output gear mutually, have clutching mechanism between output shaft and the output gear, above -mentioned piston and spring all overlap on the output shaft and have the trend of keeping away from clutching mechanism at the spring action of spring lower piston. This novel power takeoff compact structure and stability are high, and its action is smooth and easy moreover.
Description
Technical field
This utility model belongs to field of mechanical technique, is related to a kind of Novel force device.
Background technology
Power takeoff (Power Take Off, abridge PTO) it is simply that one or more groups of change-speed gearing, also known as power take off,
It is usually to be formed by gear-box, clutch, controller combination, be connected with change speed gear box low regime clutch or auxiliary box output shaft, by power
Export to outside equipment, such as lifting pump etc..
Existing power takeoff includes the internal housing for cavity, and housing is connected with input shaft, output shaft and travelling gear.
In use, travelling gear rotates power takeoff for a long time, leads to its temperature higher, thus reducing whole power takeoff
Stability.
Chinese patent its publication number CN104265839A discloses a kind of power takeoff and power takeoff assembly, and the former includes separating
Axle, output shaft, conduction axiss, shift fork, tooth set, output gear, transfer gear, output shaft is connected with housing into rotation, output gear bye
It is enclosed within output shaft, tooth set is slidably connected with output shaft, output gear has the conjunction gear being adapted with the internal spline of tooth set；Pass
Guide shaft is packed in housing, and transfer gear is rotated with conduction axiss and is connected, and is meshed with output gear；Separate axle to slide with housing
Connect；Shift fork is packed in and separates on axle, and is connected with tooth set；The latter includes power takeoff, selector, gearshift flexible axle and rocking arm, shakes
Arm and rocker arm support pivot joint, the two ends of gearshift flexible axle are connected with the linear motion output section of selector and rocking arm respectively, rocking arm and
Separate axle to connect.
As can be seen that above-mentioned power takeoff controls corresponding power takeoff using gearshift flexible shaft manipulation, eliminate source of the gas, realization pair
Manipulate the structures such as the gas circuit controlling and various cylinder to gas, therefore have the advantages that structure is simple and uses safety.
But, power transmission in power takeoff has some setbacks, and, the part controlling power takeoff clutch is also in housing
So that power takeoff stability is not high.
Content of the invention
The purpose of this utility model is the problems referred to above existing for prior art, provides a kind of compact conformation and switches suitable
Smooth Novel force device.
The purpose of this utility model can be realized by following technical proposal：
A kind of Novel force device, including the internal housing for cavity it is characterised in that also include output shaft, input gear,
Output gear, piston and spring, above-mentioned output shaft is connected in housing and is respectively provided with bearing between the two ends of output shaft and housing,
Above-mentioned output gear is enclosed within output shaft, and above-mentioned input gear is connected on housing and input gear is meshed with output gear,
There is between described output shaft and output gear clutch, above-mentioned piston and spring are all enclosed within output shaft and the bullet in spring
Power acts on lower piston and has trend away from clutch, and described housing also has air inlet, above-mentioned output shaft has with
Air inlet is connected inlet channel, can make above-mentioned piston overpowers spring force and be pressed on clutch after gas enters inlet channel
At mechanism, above-mentioned clutch can make output shaft link with output gear formation after being subject to piston press.
Input gear can drive output gear stable rotation under external force.When clutch is off,
Output shaft rotation will not be driven in output gear rotation process.
Conversely, when clutch is in connection status, driving output shaft rotation in output gear rotation process.
Gas enters piston by air inlet, inlet channel successively, and piston is subject to the push effect of gas thus to clutch
Mechanism moves, and clutch just can be in connection status after being subject to piston press.
In above-mentioned Novel force device, between the two ends of described output shaft and housing, it is respectively provided with bearing.
Output shaft energy stable rotation in the presence of bearing.
In above-mentioned Novel force device, described clutch includes inner attrition piece annular in shape and outside friction disc, on
State inner attrition piece to be enclosed within output shaft, above-mentioned outside friction disc is located inside output gear, and above-mentioned inner attrition piece is resisted against external friction
On piece.
Because inner attrition piece is progressively contacted with outside friction disc, therefore, shift process can directly be carried out, with respect to general
For logical gearshift, it does not have pause action.
Its gearshift smoothness is high and steady.
In above-mentioned Novel force device, if the quantity of above-mentioned inner attrition piece is dry tablet and axially uniform along output shaft,
It is respectively provided with an outside friction disc between above-mentioned adjacent two inner attrition pieces.
Multiple inner attrition pieces contacting with each other and outside friction disc can improve its contact stabilization further.
In above-mentioned Novel force device, described output shaft has recessed positioning seat, connect at described positioning seat
Flexible back-up ring, the inner attrition piece at outermost is resisted against on circlip.
Circlip can effectively stop inner attrition piece, it is to avoid inner attrition piece transition is moved.
In above-mentioned Novel force device, also there is between described circlip and inner attrition piece the gear pad of flexibility.
Because gear pad is chatted for flexible time, therefore, it can effectively play cushioning effect.
In above-mentioned Novel force device, described housing includes body and end cap, and above-mentioned body is cylindrical in shape and its one end is opened
Mouthful, above-mentioned end cap is connected to body port by securing member.
Such structure can make the other parts in power takeoff can easily be arranged in it.
In above-mentioned Novel force device, described also has the piston/cylinder being enclosed within output shaft in vivo, is enclosed within output
Bearing on axle is pressed between piston/cylinder and end cap, has sealing ring between described piston/cylinder and output shaft.
Smooth inside piston/cylinder, the contact that it can be good with piston stroke.
Certainly, its sealing can be effectively improved in the presence of sealing ring.
In above-mentioned Novel force device, described piston is located in piston/cylinder and is formed between piston and body and gives vent to anger
Chamber, forms the inlet chamber communicating with above-mentioned inlet channel between piston and piston/cylinder.
In above-mentioned Novel force device, also include a flange, described flange includes disk body in the form of annular discs and is in cylinder
The cylinder of shape, above-mentioned cylinder one end is connected on disk body, and described barrel jacket has in output shaft end and between cylinder and end cap
There is the encapsulated oil sealing of lips.
Flange can make convenient and stable being connected with exterior part, certainly, can also rise in the presence of the encapsulated oil sealing of lips
To good sealing function, effectively prevent fluid from overflowing.
Compared with prior art, what this Novel force device was creative is connected in housing by piston/cylinder, therefore, its structure
Compact.
Meanwhile, in shift process this power takeoff due to being so that inner attrition piece is connected with outside friction disc under gas pressure
Touch, therefore, its course of action is stable and smooth, has very high practical value.
Brief description
Fig. 1 is the perspective view of this Novel force device.
Fig. 2 is the cross section structure diagram of this Novel force device.
Fig. 3 is the cross section structure diagram at clutch in this Novel force device.
In figure, 1, housing；1a, air inlet；1b, body；1c, end cap；2nd, output shaft；2a, inlet channel；2b, positioning seat；
3rd, input gear；4th, output gear；5th, piston；6th, spring；8th, bearing；9th, inner attrition piece；10th, outside friction disc；11st, elasticity gear
Circle；12nd, gear pad；13rd, piston/cylinder；14th, flange；14a, disk body；14b, cylinder；15th, the encapsulated oil sealing of lips.
Specific embodiment
As shown in Figure 1 and Figure 2 and Figure 3, this Novel force device includes the internal housing 1 for cavity, also include output shaft 2,
Input gear 3, output gear 4, piston 5 and spring 6, above-mentioned output shaft 2 is connected in housing 1 and the two ends of output shaft 2 and shell
It is respectively provided with bearing 8, above-mentioned output gear 4 is enclosed within output shaft 2, and above-mentioned input gear 3 is connected on housing 1 and defeated between body 1
Enter gear 3 to be meshed with output gear 4, between described output shaft 2 and output gear 4, there is clutch, above-mentioned piston 5 and bullet
Spring 6 is all enclosed within output shaft 2 and the elastic force in spring 6 acts on lower piston 5 and has trend away from clutch, described housing 1
On also there is air inlet 1a, above-mentioned output shaft 2 has and is connected inlet channel 2a with air inlet 1a, when gas enters inlet channel
Above-mentioned piston 5 can be made after 2a to overcome spring 6 elastic force and be pressed at clutch, above-mentioned clutch is extruded by piston 5
After output shaft 2 can be made to form linkage with output gear 4.
It is respectively provided with bearing 8 between the two ends of described output shaft 2 and housing 1.
Described clutch includes inner attrition piece 9 annular in shape and outside friction disc 10, and above-mentioned inner attrition piece 9 is enclosed within output
On axle 2, above-mentioned outside friction disc 10 is located inside output gear 4, and above-mentioned inner attrition piece 9 is resisted against on outside friction disc 10.
If the quantity of above-mentioned inner attrition piece 9 is dry tablet and axially uniform along output shaft 2, above-mentioned adjacent two internal friction 9
Between be respectively provided with an outside friction disc 10.
Recessed positioning seat 2b is had on described output shaft 2, at described positioning seat 2b, is connected with circlip 11, outermost
Inner attrition piece 9 at side is resisted against on circlip 11.
Also there is between described circlip 11 and inner attrition piece 9 the gear pad 12 of flexibility.
Described housing 1 includes body 1b and end cap 1c, and above-mentioned body 1b is cylindrical in shape and one end opening, and above-mentioned end cap 1c leads to
Cross securing member and be connected to body 1b port.
Also there is in described body 1b the piston/cylinder 13 being enclosed within output shaft 2, the bearing 8 being enclosed within output shaft 2 is tight
It is pressed between piston cylinder 13 body and end cap 1c, between described piston/cylinder 13 and output shaft 2, there is sealing ring.
Described piston 5 is located in piston/cylinder 13 and forms outlet chamber, piston 5 and piston cylinder between piston 5 and body 1b
Form the inlet chamber communicating with above-mentioned inlet channel 2a between body 13.
Also include a flange 14, described flange 14 includes disk body 14a in the form of annular discs and cylindrical cylinder 14b, on
State cylinder 14b one end to be connected on disk body 14a, described cylinder 14b be enclosed within output shaft 2 end and cylinder 14b and end cap 1c it
Between there is the encapsulated oil sealing of lips 15.
Input gear can drive output gear stable rotation under external force.When clutch is off,
Output shaft rotation will not be driven in output gear rotation process.
Conversely, when clutch is in connection status, driving output shaft rotation in output gear rotation process.
Gas enters piston by air inlet, inlet channel successively, and piston is subject to the push effect of gas thus to clutch
Mechanism moves, and clutch just can be in connection status after being subject to piston press.
Because inner attrition piece is progressively contacted with outside friction disc, therefore, shift process can directly be carried out, with respect to general
For logical gearshift, it does not have pause action.
Its gearshift smoothness is high and steady.
Claims (10)
1. a kind of Novel force device, including the internal housing for cavity it is characterised in that also including output shaft, input gear, defeated
Go out gear, piston and spring, above-mentioned output shaft is connected in housing and is respectively provided with bearing between the two ends of output shaft and housing, on
State output gear to be enclosed within output shaft, above-mentioned input gear is connected on housing and input gear is meshed with output gear, institute
State and there is between output shaft and output gear clutch, above-mentioned piston and spring are all enclosed within output shaft and the elastic force in spring
Effect lower piston has the trend away from clutch, described housing also has air inlet, above-mentioned output shaft has and enters
QI KOU is connected inlet channel, can make above-mentioned piston overpowers spring force and be pressed on clutch after gas enters inlet channel
At structure, above-mentioned clutch can make output shaft link with output gear formation after being subject to piston press.
2. Novel force device according to claim 1 is it is characterised in that all have between the two ends of described output shaft and housing
There is bearing.
3. Novel force device according to claim 2 is it is characterised in that described clutch includes rubbing in annular in shape
Pad and outside friction disc, above-mentioned inner attrition piece is enclosed within output shaft, and above-mentioned outside friction disc is located inside output gear, above-mentioned interior rubs
Pad is resisted against on outside friction disc.
If 4. Novel force device according to claim 3 is it is characterised in that the quantity of above-mentioned inner attrition piece is dry tablet and edge
The axial direction of output shaft is uniform, is respectively provided with an outside friction disc between above-mentioned adjacent two inner attrition pieces.
5. Novel force device according to claim 3 is it is characterised in that have recessed positioning seat on described output shaft,
It is connected with circlip, the inner attrition piece at outermost is resisted against on circlip at described positioning seat.
6. Novel force device according to claim 5 is it is characterised in that also have between described circlip and inner attrition piece
There is the gear pad of flexibility.
7. Novel force device according to claim 2 is it is characterised in that described housing includes body and end cap, above-mentioned
Body is cylindrical in shape and one end opening, and above-mentioned end cap is connected to body port by securing member.
8. Novel force device according to claim 7 is it is characterised in that described also has in vivo and be enclosed within output shaft
Piston/cylinder, the bearing being enclosed within output shaft is pressed between piston/cylinder and end cap, described piston/cylinder and output shaft it
Between there is sealing ring.
9. Novel force device according to claim 8 it is characterised in that described piston be located at piston/cylinder in and piston with
Form outlet chamber between body, between piston and piston/cylinder, form the inlet chamber communicating with above-mentioned inlet channel.
10. it is characterised in that also including a flange, described flange is included in circle Novel force device according to claim 8
The disk body of plate-like and cylindrical cylinder, above-mentioned cylinder one end is connected on disk body, described barrel jacket in output shaft end and
There is between cylinder and end cap the encapsulated oil sealing of lips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620928592.8U CN205937568U (en) | 2016-08-22 | 2016-08-22 | Novel power takeoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620928592.8U CN205937568U (en) | 2016-08-22 | 2016-08-22 | Novel power takeoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937568U true CN205937568U (en) | 2017-02-08 |
Family
ID=57951356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620928592.8U Expired - Fee Related CN205937568U (en) | 2016-08-22 | 2016-08-22 | Novel power takeoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090062A (en) * | 2016-08-22 | 2016-11-09 | 浙江帕瓦传动设备有限公司 | Novel force device |
-
2016
- 2016-08-22 CN CN201620928592.8U patent/CN205937568U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090062A (en) * | 2016-08-22 | 2016-11-09 | 浙江帕瓦传动设备有限公司 | Novel force device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180125 Address after: Jiaxing City, Zhejiang province 314117 Jiashan County Yaozhuang Hongfu Road No. 8, building 4, 2, 3 Patentee after: ZHEJIANG BAISHI RUIPAWA DRIVE CO.,LTD. Address before: Jiaxing City, Zhejiang province 314117 Jiashan County Yaozhuang Hongfu Road No. 8 Patentee before: ZHEJIANG POWER TRANSMISSION EQUIPMENT CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20210822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |