CN201027926Y - Gear box - Google Patents
Gear box Download PDFInfo
- Publication number
- CN201027926Y CN201027926Y CNU200720100867XU CN200720100867U CN201027926Y CN 201027926 Y CN201027926 Y CN 201027926Y CN U200720100867X U CNU200720100867X U CN U200720100867XU CN 200720100867 U CN200720100867 U CN 200720100867U CN 201027926 Y CN201027926 Y CN 201027926Y
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- Prior art keywords
- output shaft
- gear
- shaft
- input shaft
- input
- 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.)
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- 238000003756 stirring Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model belongs to the motor vehicle accessories technical field and discloses a gearbox. The technical proposal is that a first input shaft gear fixed with an input shaft in circumferential direction and a first input shaft sleeve sleeved on the input shaft are arranged on the input shaft in turn; a second input gear and an input shaft speed gear are fixed on the first input shaft sleeve to connect into a whole; a first output shaft sleeve sleeved on an output shaft and an output shaft speed gear fixed on the output shaft in circumferential direction are arranged on the output shaft in turn; a second output shaft gear is fixed on the end of the first output shaft sleeve; a first output shaft gear fixed with the first output shaft sleeve in circumferential direction is arranged on the first output shaft sleeve of the inner side of the first output shaft gear; the first input shaft gear is meshed with the first output shaft gear; the second output shaft gear drives the second input shaft gear to rotate; the input shaft speed gear is meshed with the output shaft speed gear, and thereby the gearbox is small in size, high in intensity and convenient in use.
Description
Technical field
The utility model belongs to the motor vehicle fittings technical field, particularly a kind of gearbox.
Background technique
Along with the raising of mechanization degree, the application of gearbox is more and more wider, and also very high for the volume size requirements of gearbox, especially for those small-sized machines, the space that holds gearbox is very little, and it is very little therefore the volume of gearbox can be done ground, just seems particularly important.The gearbox that uses adopts an output shaft and an input shaft at present, owing to be subjected to the influence of casing size and design of gears, generally can only make speed dwindle three times,, need multi-change speed if dwindle bigger multiple, so just need to increase a plurality of middle conduction axiss, cause the volume of whole gearbox to increase,, each axle and drive wheel can only be diminished if want to reduce the volume of gearbox, but, needed intensity when so just not reaching transmission.
The model utility content
The technical problem that the utility model solves just provides the gearbox that a kind of volume is little, intensity is high, easy to use.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: gearbox, comprise case shell, input shaft, output shaft and variable-speed shaft, being disposed with first input shaft gear and the first input shaft sleeve pipe that be placed in this input shaft on circumferentially fixing on the described input shaft, on the described first input shaft sleeve pipe, be fixed with second input shaft gear and the input shaft speed change gear that is connected as a single entity with it with this input shaft;
On described output shaft, be disposed with the first output shaft sleeve pipe that is placed in this output shaft and with the circumferential stationary output shaft speed change gear of this output shaft, be fixed with second output shaft gear in the end of the first output shaft sleeve pipe, the first output shaft sleeve pipe of the side of first output shaft gear is provided with and the first circumferentially fixing output shaft gear of the first output shaft sleeve pipe;
Described first input shaft gear is meshed with described first output shaft gear; Described second output shaft gear drives described second input shaft gear and rotates; Described input shaft speed change gear is meshed with described output shaft speed change gear.
Its additional technical feature is: be provided with the first input speed change sleeve pipe between described first input shaft gear and the first input shaft sleeve pipe, on the first input speed change sleeve pipe, be fixed with the 3rd input shaft gear and the 4th input shaft gear, and the diameter of the 3rd input shaft gear is greater than the diameter of the 4th input shaft gear; Between described second output shaft gear and output shaft speed change gear, be provided with the first output variable speed sleeve pipe, on the first output variable speed sleeve pipe, be fixed with the 3rd output shaft gear and the 4th output shaft gear;
Described second output shaft gear is meshed with described the 3rd input shaft gear, and described the 3rd output shaft gear is meshed with described the 4th input shaft gear; Described the 4th output shaft gear is meshed with described second input shaft gear;
Described input shaft is provided with one section splined shaft, first input shaft gear is the inside spline wheel gear that is placed on this splined shaft, the described first output shaft sleeve pipe is provided with first output shaft break-in wheel, described variable-speed shaft is provided with first break-in wheel with the engagement of first output shaft break-in wheel, first input shaft gear is provided with first and stirs groove, described reversing shaft is provided with first lead screw shaft, outside described first lead screw shaft, be with first feed screw nut, first feed screw nut is provided with the first commutation driving lever, and this first commutation driving lever and described first is stirred groove and is connected;
Described input shaft is provided with second input shaft break-in wheel, described variable-speed shaft is provided with second break-in wheel with the engagement of second input shaft break-in wheel, the described first output shaft sleeve pipe is a hub splines, first output shaft break-in wheel is enclosed within this upper spline axle sleeve, the first output shaft break-in is taken turns a side and is provided with the second output shaft break-in wheel that is connected as a single entity with it, first output shaft break-in wheel and second output shaft break-in wheel form second and stir groove, described reversing shaft is provided with second lead screw shaft, outside described second lead screw shaft, be with second feed screw nut, second feed screw nut is provided with the second commutation driving lever, and this second commutation driving lever and described second is stirred groove and is connected;
Described input shaft speed change gear is three, described output shaft speed change gear is three, output shaft between two the output shaft speed change gears in the outside is a splined shaft, middle output shaft speed change gear is the spline gear that mates with this splined shaft, middle output shaft speed change gear both sides have projection, two output shaft speed change gear inner side surfaces are provided with the groove with described projection coupling in the outside, and output shaft speed change gear one side in the centre is provided with the 3rd and stirs groove; Described variable-speed shaft is with the 3rd feed screw nut for being provided with the 3rd lead screw shaft outside described the 3rd lead screw shaft, the 3rd feed screw nut is provided with shift lever, and this shift lever and the described the 3rd is stirred groove and is connected.
Gearbox provided by the utility model is compared with prior art and is had the following advantages: one, because first input shaft gear is meshed with described second output shaft gear; Described second input shaft gear drives described second output shaft gear and rotates; Described input shaft speed change gear is meshed with described output shaft speed change gear, make input shaft be delivered to output shaft, by slowing down several times, and each gear is separately positioned on input shaft and the output shaft, pass through jack shaft no longer separately, reduce the overall volume in the casing, under the condition of equal volume, increased intensity; They are two years old, because input shaft is provided with one section splined shaft, first input shaft gear is the inside spline wheel gear that is placed on this splined shaft, the first output shaft sleeve pipe is provided with first output shaft break-in wheel, described variable-speed shaft is provided with first break-in wheel with the engagement of first output shaft break-in wheel, first input shaft gear is provided with first and stirs groove, described reversing shaft is provided with first lead screw shaft, outside described first lead screw shaft, be with first feed screw nut, first feed screw nut is provided with the first commutation driving lever, this first commutation driving lever and described first is stirred groove and is connected, and can realize reverse a plurality of gear position operation, uses convenient.
Description of drawings
Fig. 1 is the structural representation of gearbox provided by the utility model;
Fig. 2 is the structural representation with the first input speed change sleeve pipe and first output variable speed sleeve pipe gearbox;
Fig. 3 is the structural representation that the shift lever of variable-speed shaft is connected with first feed screw nut;
Fig. 4 is the side view of internal speed-changing driven gear.
Embodiment
Be described in further detail below in conjunction with the structure of the drawings and specific embodiments gearbox provided by the utility model.
As shown in Figure 1, this gearbox comprises case shell 1, input shaft 2, output shaft 3, variable-speed shaft 4 and reversing shaft 23, on input shaft 2, be disposed with first input shaft gear 5 and the first input shaft sleeve pipe 6, first input shaft gear 5 is circumferentially fixing with this input shaft 2, promptly first input shaft gear 5 can be fixing with input shaft 2, also can as shown in Figure 2 input shaft 2 be provided with one section splined shaft, 13, the first input shaft gears 5 for being placed in the inside spline wheel gear on this splined shaft.The first input shaft sleeve pipe 6 is placed on the input shaft 2, is fixed with second input shaft gear 7 and the input shaft speed change gear 8 that are connected as a single entity with it on the first input shaft sleeve pipe 6; On output shaft 3, be disposed with the first output shaft sleeve pipe 9 that is placed in this output shaft 3 and with these output shaft 3 circumferential stationary output shaft speed change gears 10, the first output shaft sleeve pipe 9 that is fixed with the side of second output shaft gear, 11, the second output shaft gears 11 in the end of the first output shaft sleeve pipe 9 is provided with and the first circumferentially fixing output shaft gear 12 of the first output shaft sleeve pipe 9.The first output shaft sleeve pipe 9 can be designed as hub splines, and first output shaft gear 12 also can be fixed on first output shaft gear 12 on the first output shaft sleeve pipe 9 for being placed in the internal spline wheel on the hub splines.First input shaft gear 5 is meshed with described first output shaft gear 12; Described second output shaft gear 11 drives described second input shaft gear 7 and rotates; Input shaft speed change gear 8 is meshed with output shaft speed change gear 10.
In order further to increase the speed change ratio of gearbox, as shown in Figure 2, between first input shaft gear 5 and the first input shaft sleeve pipe 6, be provided with the first input speed change sleeve pipe 14, on the first input speed change sleeve pipe 14, be fixed with the 3rd input shaft gear 15 and the 4th input shaft gear 16, and the diameter of the 3rd input shaft gear 15 is greater than the diameter of the 4th input shaft gear 16; Between second output shaft gear 11 and output shaft speed change gear 10, be provided with the first output variable speed sleeve pipe 17, on the first output variable speed sleeve pipe 17, be fixed with the 3rd output shaft gear 18 and the 4th output shaft gear 19; Second output shaft gear 11 is meshed with described the 3rd input shaft gear 15, and the 3rd output shaft gear 18 is meshed with the 4th input shaft gear 16; The 4th output shaft gear 19 is meshed with second input shaft gear 7.Certainly, in order further to increase the speed change ratio of gearbox, the first input speed change sleeve pipe 14 that is fixed with the 3rd input shaft gear 15 and the 4th input shaft gear 16 can have two or more, serial connection is placed on the input shaft 2, be complementary therewith, being fixed with also can be for a plurality of, as long as the first output variable speed sleeve pipe 17 equates with first number of importing speed change sleeve pipe 14 on the first output variable speed sleeve pipe 17 of the 3rd output shaft gear 18 and the 4th output shaft gear 19.
In order to realize the commutation of gearbox, can as shown in Figure 2 input shaft 2 be provided with one section splined shaft, 13, the first input shaft gears 5 for being placed in the inside spline wheel gear on this splined shaft.First input shaft gear 5 is placed on the splined shaft 13, the first output shaft sleeve pipe 9 is provided with first output shaft break-in wheel 20, variable-speed shaft 4 is provided with first break-in wheel 21 with 20 engagements of first output shaft break-in wheel, first input shaft gear 5 is provided with first and stirs groove 22, reversing shaft 23 is provided with first lead screw shaft 24, outside first lead screw shaft 24, be with first feed screw nut 25, first feed screw nut 25 is provided with the first commutation driving lever 26, and this first commutation driving lever 26 and described first is stirred groove 22 and is connected.Also can be as shown in Figure 1, input shaft 2 is provided with second input shaft break-in wheel 27, variable-speed shaft 4 is provided with second break-in wheel 28 with 27 engagements of second input shaft break-in wheel, the first output shaft sleeve pipe 9 is a hub splines, first output shaft break-in wheel 20 is enclosed within on this hub splines, the first output shaft break-in is taken turns 20 1 sides and is provided with the second output shaft break-in wheel 29 that is connected as a single entity with it, first output shaft break-in wheel, 20 and second output shaft break-in wheel 29 forms second and stirs groove 30, reversing shaft 23 is provided with second lead screw shaft 31, outside second lead screw shaft 31, be with second feed screw nut 32, second feed screw nut 32 is provided with the second commutation driving lever 33, and this second commutation driving lever 33 and described second is stirred groove 30 and is connected.
In order to realize speed change, as shown in Figure 1, with input shaft speed change gear 8 is three, diameter increases successively, output shaft speed change gear 10 is three, diameter reduces successively, be divided into outside output shaft speed change gear 35 and middle output shaft speed change gear 36, as shown in Figure 3, output shaft outside two between the output shaft speed change gear 35 is a splined shaft 34, the both sides of middle output shaft speed change gear 36 have projection 37, are provided with groove 38 with projection 37 couplings at the inner side surface of outside output shaft speed change gear 35, are provided with second in a side of middle output shaft speed change gear 36 and stir groove 39.As shown in Figure 4, variable-speed shaft 4 is with the 3rd feed screw nut 41, the three feed screw nuts 41 and is provided with shift lever 42 for being provided with the 3rd lead screw shaft 40 outside the 3rd lead screw shaft 40, and this shift lever 42 and the 3rd is stirred groove 39 and is connected.
When input shaft 2 rotates, drive first input shaft gear 5, drive the first output shaft sleeve pipe 9 and the first input shaft sleeve pipe 6 and input shaft speed change gear 8 by first output shaft gear 12 and rotate, input shaft speed change gear 8 rotates and drives output shaft speed change gear 10 and output shaft 3 rotations again.
When the needs gear shift, rotate variable-speed shaft 4, the 3rd feed screw nut 41 drives shift lever 42 and the 3rd and stirs groove 39 move left and right, middle output shaft speed change gear 36 is moved to the left or moves right, and projection is inserted respectively in the groove of outside output shaft speed change gear 35, in the time of in being moved to the left the insertion groove, reach the purpose of relative deceleration, in like manner, when inserting in the groove, reach the purpose of relative acceleration when moving right.
When needs commutate, as shown in Figure 1,, drive second feed screw nut 32 and be moved to the left, drive first output shaft break-in wheel, 20 and second output shaft break-in wheel 29 and be moved to the left, with second break-in wheel, 28 engagements on the variable-speed shaft 4, reach the purpose of commutation; Also can rotate reversing shaft 23 as shown in Figure 2, drive first feed screw nut 25 and be moved to the left, drive first input shaft gear 5 and be moved to the left,, reach the purpose of commutation with first break-in wheel, 24 engagements on the variable-speed shaft 4.
Claims (5)
1. gearbox, comprise case shell, input shaft, output shaft and variable-speed shaft, it is characterized in that:, on the described first input shaft sleeve pipe, be fixed with second input shaft gear and the input shaft speed change gear that is connected as a single entity with it being disposed with first input shaft gear and the first input shaft sleeve pipe that is placed on this input shaft circumferentially fixing on the described input shaft with this input shaft;
On described output shaft, be disposed with the first output shaft sleeve pipe that is placed in this output shaft and with the circumferential stationary output shaft speed change gear of this output shaft, be fixed with second output shaft gear in the end of the first output shaft sleeve pipe, the first output shaft sleeve pipe of the side of first output shaft gear is provided with and the first circumferentially fixing output shaft gear of the first output shaft sleeve pipe;
Described first input shaft gear is meshed with described first output shaft gear; Described second output shaft gear drives described second input shaft gear and rotates; Described input shaft speed change gear is meshed with described output shaft speed change gear.
2. gearbox according to claim 1, it is characterized by: between described first input shaft gear and the first input shaft sleeve pipe, be provided with the first input speed change sleeve pipe, on the first input speed change sleeve pipe, be fixed with the 3rd input shaft gear and the 4th input shaft gear, and the diameter of the 3rd input shaft gear is greater than the diameter of the 4th input shaft gear; Between described second output shaft gear and output shaft speed change gear, be provided with the first output variable speed sleeve pipe, on the first output variable speed sleeve pipe, be fixed with the 3rd output shaft gear and the 4th output shaft gear;
Described second output shaft gear is meshed with described the 3rd input shaft gear, and described the 3rd output shaft gear is meshed with described the 4th input shaft gear; Described the 4th output shaft gear is meshed with described second input shaft gear.
3. gearbox according to claim 2, it is characterized by: described input shaft is provided with one section splined shaft, first input shaft gear is the inside spline wheel gear that is placed on this splined shaft, the described first output shaft sleeve pipe is provided with first output shaft break-in wheel, described variable-speed shaft is provided with first break-in wheel with the engagement of first output shaft break-in wheel, first input shaft gear is provided with first and stirs groove, described reversing shaft is provided with first lead screw shaft, outside described first lead screw shaft, be with first feed screw nut, first feed screw nut is provided with the first commutation driving lever, and this first commutation driving lever and described first is stirred groove and is connected.
4. gearbox according to claim 1, it is characterized by: described input shaft is provided with second input shaft break-in wheel, described variable-speed shaft is provided with second break-in wheel with the engagement of second input shaft break-in wheel, the described first output shaft sleeve pipe is a hub splines, first output shaft break-in wheel is enclosed within this upper spline axle sleeve, the first output shaft break-in is taken turns a side and is provided with the second output shaft break-in wheel that is connected as a single entity with it, first output shaft break-in wheel and second output shaft break-in wheel form second and stir groove, described reversing shaft is provided with second lead screw shaft, outside described second lead screw shaft, be with second feed screw nut, second feed screw nut is provided with the second commutation driving lever, and this second commutation driving lever and described second is stirred groove and is connected.
5. gearbox according to claim 1, it is characterized by: described input shaft speed change gear is three, described output shaft speed change gear is three, output shaft between two the output shaft speed change gears in the outside is a splined shaft, middle output shaft speed change gear is the spline gear that mates with this splined shaft, middle output shaft speed change gear both sides have projection, two output shaft speed change gear inner side surfaces are provided with the groove with described projection coupling in the outside, and output shaft speed change gear one side in the centre is provided with the 3rd and stirs groove;
Described variable-speed shaft is with the 3rd feed screw nut for being provided with the 3rd lead screw shaft outside described the 3rd lead screw shaft, the 3rd feed screw nut is provided with shift lever, and this shift lever and the described the 3rd is stirred groove and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720100867XU CN201027926Y (en) | 2007-03-26 | 2007-03-26 | Gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720100867XU CN201027926Y (en) | 2007-03-26 | 2007-03-26 | Gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201027926Y true CN201027926Y (en) | 2008-02-27 |
Family
ID=39132136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720100867XU Expired - Fee Related CN201027926Y (en) | 2007-03-26 | 2007-03-26 | Gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201027926Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715459A (en) * | 2016-03-31 | 2016-06-29 | 苏州工业园区职业技术学院 | Magnetic suspension variable-speed wind driven generator |
| CN108466906A (en) * | 2018-04-23 | 2018-08-31 | 快意电梯股份有限公司 | Elevator fan assembly |
| CN119175417A (en) * | 2024-11-26 | 2024-12-24 | 浙江三奇机械设备有限公司 | Wire cylinder reversing mechanism, automatic reversing method and reversing system thereof |
-
2007
- 2007-03-26 CN CNU200720100867XU patent/CN201027926Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715459A (en) * | 2016-03-31 | 2016-06-29 | 苏州工业园区职业技术学院 | Magnetic suspension variable-speed wind driven generator |
| CN105715459B (en) * | 2016-03-31 | 2018-09-21 | 苏州工业园区职业技术学院 | A kind of magnetic suspension speed-changing wind power generator |
| CN108466906A (en) * | 2018-04-23 | 2018-08-31 | 快意电梯股份有限公司 | Elevator fan assembly |
| CN108466906B (en) * | 2018-04-23 | 2023-11-24 | 快意电梯股份有限公司 | Elevator fan unit |
| CN119175417A (en) * | 2024-11-26 | 2024-12-24 | 浙江三奇机械设备有限公司 | Wire cylinder reversing mechanism, automatic reversing method and reversing system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20110326 |