CN210949839U - Novel power transmission assembly - Google Patents
Novel power transmission assembly Download PDFInfo
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- CN210949839U CN210949839U CN201921916907.7U CN201921916907U CN210949839U CN 210949839 U CN210949839 U CN 210949839U CN 201921916907 U CN201921916907 U CN 201921916907U CN 210949839 U CN210949839 U CN 210949839U
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Abstract
The utility model provides a novel power transmission assembly, characterized by: the power transmission assembly comprises a floating transmission arm and a transmission wheel matched with the floating transmission arm, and a locking component capable of realizing meshing and separation of the floating transmission arm and the transmission wheel is arranged outside the floating transmission arm. This power transmission assembly adopts the floating transmission arm to replace the meshing between the traditional gear and realizes power transmission, not only can use and shift at the inside realization variable speed of gearbox, also can be applied to the power transmission in other mechanical transmission fields, simple structure, convenient to use especially uses at the inside in-process of shifting of gearbox, can save clutch or synchronizer and realize shifting, and has to put into gear, the picking is convenient quick, has overcome and has taken off the gear, has jumped the fender phenomenon.
Description
Technical Field
The utility model relates to a mechanical transmission technical field especially relates to a novel power transmission assembly.
Background
As is well known, the current power transmission assembly generally adopts the modes of gear engagement, chain sprocket transmission, belt pulley transmission, etc., which limits the development of mechanical transmission, especially in the field of gearboxes.
In the existing gear shifting and speed changing of the gearbox, manual speed changing is adopted, and a shifting fork in the gearbox is manually controlled to drive gears with different diameters to be meshed, so that the change of different gears and transmission ratios is realized; and automatic speed change is adopted, and according to set parameters such as speed, accelerator and the like, the inside of the gearbox is controlled to control the meshing of gears with different sizes in a non-manual mode such as electromagnetism and an electromotor, so that the change of different gears and transmission ratios is realized.
The problems and disadvantages of the current centralized transmission mode in the application field of gearboxes include the following: the gear shifting needs the shifting of a clutch or/and a synchronizer, the phenomena of difficult gear engagement, gear disengagement and gear jumping often occur, the gear engagement action is complex, and the like.
Disclosure of Invention
The to-be-solved technical problem of the utility model is weak point to prior art exists, a novel power transmission assembly is provided, this power transmission assembly adopts the floating transmission arm to replace the meshing between the traditional gear and realizes the power transmission, not only can use and shift at the inside realization variable speed of gearbox, also can be applied to the power transmission in other mechanical transmission fields, moreover, the steam generator is simple in structure, high durability and convenient use, especially use is at the inside in-process of shifting of gearbox, can save clutch or/and synchronizer and realize shifting, and have and put into gear, it is convenient quick to pick the gear, the out-of-gear has been overcome, the phenomenon of skipping.
The technical solution of the utility model is that, a following novel power transmission assembly is provided, characterized by: the power transmission assembly comprises a floating transmission arm and a transmission wheel matched with the floating transmission arm, and a locking component capable of realizing meshing and separation of the floating transmission arm and the transmission wheel is arranged outside the floating transmission arm.
Preferably, the floating transmission arm is one-sided floating or two-sided floating.
Preferably, the floating transmission arm floating on one side comprises a connecting tooth matched with the transmission wheel, a connecting arm for driving the connecting tooth to be meshed with and separated from the transmission wheel, and the floating transmission arm floating on two sides is two single-side floating transmission arms arranged in a mirror image mode and connected into a whole.
Preferably, the number of the floating transmission arms is a plurality of the floating transmission arms which are annularly arranged on the driving wheel base, the floating transmission arms are connected with the driving wheel base in a shaft or hinged mode, and the floating transmission arms can swing on the driving wheel base.
Preferably, the driving wheel base is annular, a shaft hole connected with the transmission shaft is formed in the central axis, and concave holes which are concave inwards are formed in the two ends of the driving wheel base.
Preferably, a groove used for installing the floating transmission arm is formed in the annular outer portion of the driving wheel base, the floating transmission arm can swing, the groove comprises two portions, namely a first groove used for connecting the arm to swing and a second groove used for connecting the teeth to swing, the first groove and the second groove are communicated with each other, the second groove extends towards the central axis direction of the driving wheel base, and the annular wall penetrating through the driving wheel base is communicated with the recessed hole.
Preferably, the driving wheel is provided with a boss capable of being inserted into the recessed hole, a driving clamping groove matched with the connecting teeth is formed in the outer annular curved surface of the boss, the floating driving arm is meshed with the driving wheel after swinging, and the connecting teeth of the floating driving arm can be inserted into the driving clamping groove.
Preferably, the transmission clamping groove comprises a power transmission part for matching the connecting teeth with the transmission wheel and a guide part for facilitating the connecting teeth to enter the transmission clamping groove.
Preferably, the locking part is a sliding sleeve which is sleeved outside the base of the driving wheel and can slide along the central axis of the driving wheel, the inner surface of the sliding sleeve is provided with a protruding part which can be inserted into the cutting groove to guide and compress the connecting arm, and the protruding height of the protruding part is 1-2 mm.
Preferably, an elastic spring is arranged between the bottom of the connecting arm of the floating transmission arm and the bottom of the second groove, one or more of key connection, lineation tooth connection, pin connection and welding are arranged between the driving wheel base and the transmission shaft, the driving wheel and the driving shaft are in sliding connection, a bearing is further arranged outside the sliding sleeve, and a shifting fork and a driving clamping sleeve which can drive the sliding sleeve to slide left and right and do not rotate along with the sliding sleeve are connected outside the bearing.
The beneficial effects of the technical scheme are as follows: this power transmission assembly adopts the floating transmission arm to replace the meshing between the traditional gear and realizes power transmission, not only can use and shift at the inside realization variable speed of gearbox, also can be applied to the power transmission in other mechanical transmission fields, simple structure, convenient to use especially uses at the inside in-process of shifting of gearbox, can save clutch or synchronizer and realize shifting, and has to put into gear, the picking is convenient quick, has overcome and has taken off the gear, has jumped the fender phenomenon.
Drawings
FIG. 1 is a schematic diagram of a power transmission assembly.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic diagram of the meshing transmission structure of the floating transmission arm and the transmission wheel on the left side in fig. 1.
Fig. 4 is a schematic diagram of the meshing transmission structure of the floating transmission arm and the transmission wheel on the right side in fig. 1.
Fig. 5 is a schematic structural view of the floating transmission arm.
Fig. 6 is a schematic perspective view of the structure of the driving wheel base.
Fig. 7 is a schematic structural view of the driving wheel base.
Fig. 8 is a cross-sectional view at B-B in fig. 7.
Fig. 9 is a schematic perspective view of the structure of the transmission wheel.
Fig. 10 is a schematic structural view of the transmission wheel.
Fig. 11 is a cross-sectional view taken at a-a in fig. 10.
Detailed Description
For convenience of explanation, the novel power transmission assembly of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 11, a novel power transmission assembly comprises a floating transmission arm 1 and a transmission wheel 2 matched with the floating transmission arm 1, wherein a locking component 3 capable of realizing engagement and disengagement of the floating transmission arm 1 and the transmission wheel 2 is arranged outside the floating transmission arm 1; taking the application in a gearbox as an example, the floating transmission arm 1 is floating on one side or floating on two sides, because multiple gears are needed in the gearbox for cooperation, if there are four forward gears, two sets of the power assembly in the technical scheme are needed for cooperation, and the floating transmission arm is floating on two sides, as shown in fig. 2.
The floating transmission arm 1 floating on one side comprises a connecting tooth 1.1 matched with the transmission wheel 2 and a connecting arm 1.2 for driving the connecting tooth 1.1 to be meshed with and separated from the transmission wheel 2, the floating transmission arm 1 floating on two sides is two single-side floating transmission arms 1 arranged in a mirror image mode and connected into a whole, the joints are connected to the driving wheel base through pin shafts, the number of the floating transmission arms 1 is multiple, four floating transmission arms are adopted for transmission in the embodiment, the proper number such as three groups, five groups, eight groups, two groups and the like can be selected according to the actual power transmission size, the floating transmission arms are annularly arranged on the driving wheel base 4 to ensure the uniformity of stress, the floating transmission arms 1 are in shaft connection or hinged connection with the driving wheel base 4, the pin shafts are adopted for connection in the embodiment, the pin shafts are prevented from falling off due to application in a gearbox, and pin shafts with elastic shrinkage functions on two ends or one end are adopted, the floating transmission arm 1 can swing on the driving wheel base 4.
The driving wheel base 4 is in a circular ring shape, a shaft hole connected with the transmission shaft 5 is formed in the central axis, the transmission shaft extends to the outside of the gearbox and is connected with an engine and is a power input shaft, one or more of key connection, scribing tooth connection, pin shaft connection and welding are adopted between the driving wheel base 4 and the transmission shaft 5, in order to improve transmission capacity, the driving wheel base is connected in the gearbox in a scribing tooth mode, the driving wheel 2 is in sliding connection with the driving shaft and can be provided with a bearing, the bearing is not drawn in the drawing, but the structure can be made clear by technicians in the field, the repeated description is omitted, and inwards-recessed holes 4.1 are formed in two ends of the driving wheel base 4.
The annular outer portion of the driving wheel base 4 is provided with a cutting groove 4.2 used for installing the floating transmission arm 1, the floating transmission arm 1 can swing, the cutting groove 4.2 comprises two portions, namely a first cutting groove 4.2.1 used for connecting the arm 1.2 to swing and a second cutting groove 4.2.2 used for connecting the tooth 1.1 to swing, the first cutting groove 4.2.1 and the second cutting groove 4.2.2 are communicated with each other, the second cutting groove 4.2.2 extends towards the central axis direction of the driving wheel base 4 and penetrates through the annular wall of the driving wheel base 4 and the sunken hole 4.1, the driving wheel 2 is provided with a boss 2.1 capable of being inserted into the sunken hole 4.1, a transmission clamping groove 2.2 matched with the connecting tooth 1.1 is arranged on the annular curved surface outside the boss 2.1, the floating transmission arm 1 swings and then is meshed with the driving wheel 2, and the connecting tooth 1.1 of the floating transmission arm 1 can be inserted into the transmission clamping groove 2.2.
The transmission clamping groove 2.2 comprises a power transmission part 2.2.1 used for matching the connecting teeth 1.1 with the transmission wheel 2 and a guide part 2.2.2 facilitating the connecting teeth 1.1 to enter the transmission clamping groove 2.2.
The locking part 3 is a sliding sleeve 3.1 which is sleeved outside the driving wheel base 4 and can slide along the central axis of the driving wheel, the inner surface of the sliding sleeve 3.1 is provided with a convex part 3.2 which can be inserted into the cutting groove 4.2 to guide and compress the connecting arm 1.2, and the convex height of the convex part 3.2 is 1-2 mm.
An elastic spring 7 is arranged between the bottom of a connecting arm 1.2 of the floating transmission arm 1 and the bottom of a second cutting groove 4.2.2, a bearing 6 is further arranged outside the sliding sleeve 3.1, and a shifting fork and a driving clamping sleeve 8 which can drive the sliding sleeve 3.1 to slide left and right and do not rotate along with the sliding sleeve 3.1 are connected outside the bearing 6.
After the engine is started, the engine drives the driving shaft to rotate, because the scribing teeth between the driving wheel base and the driving wheel rotate synchronously, the driving wheel base and the driving shaft rotate synchronously, the floating connecting arm arranged on the driving wheel base also rotates synchronously, when the vehicle needs to be shifted to move forwards, external power is utilized to push the shifting fork or the driving clamping sleeve to move axially, so as to drive the innermost driving sliding sleeve to move axially, because the floating driving arm has a special structure, the upper surface is provided with an inclined plane and a shaft connection structure, under the action of the driving sliding sleeve, the inner ring of the driving sliding sleeve is utilized to press the connecting arm, the connecting arm is seriously downwards grooved after being stressed and moves downwards, the connecting teeth also downwards move through the second grooved slot, because the floating driving arm rotates, the driving wheel is static, after a shifting command is issued, the connecting teeth do not necessarily directly enter the driving clamping slot and are possibly, due to the fact that the action is rapid, the connection teeth start to move towards the direction of the transmission clamping groove along the annular curved surface of the boss in addition to the rotation of the floating transmission arm, then the connection teeth pass through the guide portion of the transmission clamping groove and finally enter the power transmission portion of the transmission clamping groove, the external driving sleeve is in a state of continuously pressing down the floating transmission arm, and as shown in fig. 2, gear disengagement and gear skipping are effectively prevented.
During shifting, the driving clamping sleeve moves towards the reverse direction of the gear engaging direction by means of external force, and moves to the center position of the floating transmission arms on two sides, the connecting teeth of the floating transmission arms are pressed down under the action of the elastic spring, the other end of the driving sliding sleeve and the connecting arm on the other side, the connecting arm used for power transmission previously swings along the pin shaft to reset, external pressure is lost, the connecting arm can be moved out of the transmission clamping groove under high-speed rotation, and the process is actually an instant process.
And similarly, the gear engagement and the gear disengagement of other gears are performed according to the principle, so that the using effect is good.
In the above embodiments, the best mode of the present invention has been described, it is obvious that many changes can be made under the inventive concept, and here, it should be explained that any changes made under the inventive concept will fall into the protective scope of the present invention.
Claims (10)
1. A novel power transmission assembly is characterized in that: the power transmission assembly comprises a floating transmission arm (1) and a transmission wheel (2) matched with the floating transmission arm (1), wherein a locking component (3) capable of realizing meshing and separation of the floating transmission arm (1) and the transmission wheel (2) is arranged outside the floating transmission arm (1).
2. The novel power transmission assembly as claimed in claim 1, wherein: the floating transmission arm (1) is in single-side floating or double-side floating.
3. The novel power transmission assembly as claimed in claim 2, wherein: the floating transmission arm (1) floating on one side comprises a connecting tooth (1.1) matched with the transmission wheel (2), the connecting arm (1.2) meshed and separated with the transmission wheel (2) is connected in a driving mode, and the floating transmission arm (1) floating on two sides is two mirror images and is connected with the floating transmission arm (1) on one side.
4. The novel power transmission assembly as claimed in any one of claims 1 to 3, wherein: the floating transmission arm (1) is a plurality of and is annularly arranged on the driving wheel base (4), the floating transmission arm (1) is connected with or hinged to the driving wheel base (4) through a shaft, and the floating transmission arm (1) can swing on the driving wheel base (4).
5. The novel power transmission assembly as claimed in claim 4, wherein: the driving wheel base (4) is circular, is equipped with the shaft hole of being connected with transmission shaft (5) on the axis, driving wheel base (4) both ends still are equipped with inside sunken hole (4.1).
6. The novel power transmission assembly as claimed in claim 5, wherein: the driving wheel base (4) is provided with a groove (4.2) on the annular outer portion, the groove (4.2) is used for installing the floating transmission arm (1), the floating transmission arm (1) can swing, the groove (4.2) comprises two portions, namely a first groove (4.2.1) used for connecting the arm (1.2) to swing and a second groove (4.2.2) used for connecting the teeth (1.1) to swing, the inner portions of the first groove (4.2.1) and the second groove (4.2.2) are communicated with each other, the second groove (4.2.2) extends towards the central axis direction of the driving wheel base (4), and the annular wall penetrating through the driving wheel base (4) is communicated with the sunken hole (4.1).
7. The novel power transmission assembly as claimed in claim 6, wherein: be equipped with boss (2.1) that can insert in sunken hole (4.1) on drive wheel (2), be equipped with on the outside annular curved surface of boss (2.1) with connecting tooth (1.1) complex transmission draw-in groove (2.2), meshing with drive wheel (2) after floating transmission arm (1) swings, connecting tooth (1.1) of floating transmission arm (1) can insert in transmission draw-in groove (2.2).
8. The novel power transmission assembly as claimed in claim 7, wherein: the transmission clamping groove (2.2) comprises a power transmission part (2.2.1) used for matching the connecting teeth (1.1) with the transmission wheel (2) and a guide part (2.2.2) used for facilitating the connecting teeth (1.1) to enter the transmission clamping groove (2.2).
9. The novel power transmission assembly as claimed in any one of claims 6 to 8, wherein: locking part (3) can be along the gliding sliding sleeve of action wheel axis (3.1) in action wheel base (4) outside for the suit, sliding sleeve (3.1) internal surface is equipped with and plays direction and compress tightly bellying (3.2) of linking arm (1.2) in can inserting grooving (4.2), the bulge height of bellying (3.2) is 1-2 mm.
10. The novel power transmission assembly as claimed in claim 9, wherein: be equipped with between linking arm (1.2) bottom and second grooving (4.2.2) bottom of floating transmission arm (1) elasticity spring (7), be one or several kinds in key-type connection, marking off tooth connection, pin hub connection, the welding between action wheel base (4) and transmission shaft (5), be sliding connection between drive wheel (2) and the driving shaft, sliding sleeve (3.1) outside still is equipped with bearing (6), bearing (6) outside connecing can drive sliding sleeve (3.1) horizontal slip and do not follow sliding sleeve (3.1) pivoted shift fork, drive cutting ferrule (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921916907.7U CN210949839U (en) | 2019-11-08 | 2019-11-08 | Novel power transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921916907.7U CN210949839U (en) | 2019-11-08 | 2019-11-08 | Novel power transmission assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949839U true CN210949839U (en) | 2020-07-07 |
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ID=71382312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921916907.7U Active CN210949839U (en) | 2019-11-08 | 2019-11-08 | Novel power transmission assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949839U (en) |
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2019
- 2019-11-08 CN CN201921916907.7U patent/CN210949839U/en active Active
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