CN215567462U - Engine primary gear transmission structure - Google Patents
Engine primary gear transmission structure Download PDFInfo
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- CN215567462U CN215567462U CN202122252825.0U CN202122252825U CN215567462U CN 215567462 U CN215567462 U CN 215567462U CN 202122252825 U CN202122252825 U CN 202122252825U CN 215567462 U CN215567462 U CN 215567462U
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- gear transmission
- transmission structure
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Abstract
The utility model relates to the technical field of clutches, in particular to a primary gear transmission structure of an engine; the inner hub is rotationally connected with the outer hub and is positioned in the outer hub, the damping press plate is detachably connected with the outer hub and is positioned above the outer hub, the clutch plate is positioned between the inner hub and the damping press plate, and the clutch rod sequentially penetrates through the outer hub, the inner hub and the clutch plate and is fixedly connected with the damping press plate; damping pressfitting board includes apron, spacing spring and damping rod, and the top of interior hub is provided with a plurality of recesses, and the apron sets up in the top of interior hub, and every damping rod rotates with the apron respectively to be connected, and be located the inside of the recess that corresponds, the lateral wall of the damping rod that every spacing spring set up respectively in, utilize damping rod and spacing spring, cushion the clutch disc, and eliminate radial shake, thereby improve the life of clutch.
Description
Technical Field
The utility model relates to the technical field of clutches, in particular to a primary gear transmission structure of an engine.
Background
In order to meet the requirement of overall appearance miniaturization, the engine for the motorcycle generally adopts the integrated design of a crank case and a gearbox, a clutch component is a main part for connecting the crank shaft and the gearbox and is responsible for transmitting the torque generated by the crank shaft to a main shaft of the gearbox, and most tricycles use the same clutch as the motorcycle.
The existing universal clutch is easy to slip after long-term use due to the fact that the environment of the loaded heavy-duty tricycle is severe, the inside of the clutch is greatly abraded.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a primary gear transmission structure of an engine, and aims to solve the technical problems that a universal clutch in the prior art is easy to slip after long-term use due to the fact that the environment of a loaded tricycle is severe, the inside of the clutch is greatly abraded.
In order to achieve the above object, the present invention provides an engine primary gear transmission structure, which includes a clutch lever, an outer hub, an inner hub, a clutch plate and a damping pressing plate, wherein the inner hub is rotatably connected to the outer hub and located inside the outer hub, the damping pressing plate is detachably connected to the inner hub and located above the inner hub, the clutch plate is movably connected to the outer hub and located between the inner hub and the damping pressing plate, and the clutch lever sequentially passes through the outer hub, the inner hub and the clutch plate and is fixedly connected to the damping pressing plate;
damping pressfitting board is including apron, spacing spring and damping rod, the top of interior hub is provided with a plurality of recesses, the damping rod with the quantity of spacing spring with the quantity of recess is the same, the apron set up in the top of interior hub, every the damping rod respectively with the apron rotates to be connected, and is located the correspondence the inside of recess, every spacing spring set up respectively in corresponding the lateral wall of damping rod.
The damping rod and the limiting spring are utilized to buffer the clutch plate and eliminate radial jitter, so that the service life of the clutch is prolonged.
The bottom of each groove is provided with a first threaded hole, the top end of each cover plate is provided with a plurality of second threaded holes, and each second threaded hole is arranged above the corresponding first threaded hole.
Utilize first screw hole with the installation of second screw hole the damping pressfitting board, be convenient for installation and dismantlement.
Wherein, every the damping rod all includes first threaded rod, movable rod, barrel, second threaded rod and piston, first threaded rod set up in the inside of first screw hole, the one end of movable rod with first threaded rod fixed connection, the barrel with movable rod swing joint, the piston with barrel sliding connection, and with the other end fixed connection of movable rod, the inside of barrel is provided with damping liquid, second threaded rod one end barrel fixed connection, the other end of second threaded rod set up in the inside of second screw hole.
When the cover plate is installed, the first threaded rod is screwed into the first threaded hole, the second threaded rod is aligned to the second threaded rod, the cover plate is pressed downwards, and after the second threaded rod enters the second threaded hole, the first threaded rod is screwed so that the second threaded rod completely enters the second threaded hole; when the switching separation is carried out, the cylinder body slides along the connecting rod, the piston moves in the cylinder body, the damping liquid and the piston generate friction, kinetic energy is rotated into heat energy, vibration is eliminated, and the cover plate moves more smoothly.
Each damping rod further comprises a locking nut, and the locking nut is in threaded connection with the second threaded rod and is located above the cover plate.
Utilize lock nut is right first threaded rod is fixed, makes things convenient for the rotating first threaded rod, works as lock nut with after the apron contacts, continue to rotate lock nut, first threaded rod drives the barrel, and passes through the piston drives the connecting rod with the second threaded rod rotates, thereby locks the second threaded rod.
The bottom of every recess sets up all has first ring channel, the bottom of apron is provided with a plurality of second ring channels, every the second ring channel is equallyd divide and is located the top that corresponds first ring channel.
Through first ring channel with the second ring channel with the both ends block of spacing spring, be convenient for install and dismantle.
Wherein, spacing spring includes the solid fixed ring of first solid fixed ring, second and spring body, first solid fixed ring set up in the inside of first ring channel, the solid fixed ring of second set up in the inside of second ring channel, the both ends of spring body first solid fixed ring respectively with second fixed ring fixed connection.
Utilize first solid fixed ring with the second fixed ring is right the spring body carries on spacingly, works as when the apron is compressed tightly, the spring body compresses, the spring body plays the cushioning effect.
The clutch plate comprises a plurality of friction plates and a plurality of transmission plates, and each friction plate and each transmission plate are arranged between the outer hub and the cover plate in a staggered mode.
The friction plates are clamped with the outer hub and rotate along with the outer hub, the transmission plates are clamped with the inner hub and rotate along with the inner hub, when the cover plate is pressed tightly, each transmission plate is tightly attached to the corresponding friction plate, so that the outer hub drives the inner hub to rotate through the clutch plate, when the cover plate is jacked up by the clutch rod, the transmission plates are separated from the friction plates, the outer hub is separated from the clutch plates, and the inner hub cannot be driven to rotate.
The transmission piece is provided with a plurality of curved grooves, and the number of the curved grooves is multiple, and the curved grooves are evenly arranged at the top end of the transmission piece at intervals.
The curved groove increases the contact area between the friction plate and the transmission piece, improves the friction force on the transmission piece, and prevents slipping
The utility model relates to an engine primary gear transmission structure, wherein an outer hub is engaged with an engine gear, an inner hub is fixedly connected with an output shaft of a wheel and coaxially rotates with the output shaft of the wheel, a clutch plate is used as a connecting body of the outer hub and the inner hub, so that the outer hub can drive the inner hub to rotate through the clutch plate, when a driver holds the cover plate to be manually separated, the cover plate is pushed to a position far away from the inner hub by the clutch plate, the clutch plate is separated, the inner hub is not transmitted with the outer hub any more, the cover plate is pushed up, simultaneously, a damping rod and a spring are stretched, as the damping fluid is arranged in the damping rod, the stretching process of the damping rod is enabled to be smooth, and when the damping rod shakes, the damping fluid can convert kinetic energy into heat energy, thereby slowing down shaking and reducing the abrasion of the clutch plate and the damping laminated plate, the service life is prolonged, and the slipping condition is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an exploded view of a primary gear transmission structure of an engine provided by the present invention.
Fig. 2 is an enlarged view of a portion of the structure of fig. 1 a according to the present invention.
Fig. 3 is a sectional view of the damping laminate provided by the present invention.
Fig. 4 is a cross-sectional view of an inner hub provided by the present invention.
FIG. 5 is a cross-sectional view of a dampening bar provided by the present invention.
1-clutch rod, 2-outer hub, 3-inner hub, 31-groove, 32-first threaded hole, 33-first annular groove, 4-clutch plate, 41-friction plate, 42-transmission plate, 43-curved groove, 5-damping pressing plate, 51-cover plate, 52-limit spring, 521-first fixing ring, 522-second fixing ring, 523-spring body, 53-damping rod, 531-first threaded rod, 532-movable rod, 533-cylinder body, 534-second threaded rod, 535-piston, 536-locking nut, 54-second threaded hole and 55-second annular groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides an engine primary gear transmission structure, including a clutch lever 1, an outer hub 2, an inner hub 3, a clutch plate 4 and a damping pressing plate 5, wherein the inner hub 3 is rotatably connected to the outer hub 2 and is located inside the outer hub 2, the damping pressing plate 5 is detachably connected to the inner hub 3 and is located above the inner hub 3, the clutch plate 4 is movably connected to the outer hub 2 and is located between the inner hub 3 and the damping pressing plate 5, and the clutch lever 1 sequentially passes through the outer hub 2, the inner hub 3 and the clutch plate 4 and is fixedly connected to the damping pressing plate 5;
damping pressfitting board 5 includes apron 51, spacing spring 52 and damping rod 53, the top of interior hub 3 is provided with a plurality of recesses 31, damping rod 53 with spacing spring 52's quantity with the quantity of recess 31 is the same, apron 51 set up in the top of interior hub 3, every damping rod 53 respectively with apron 51 rotates to be connected, and is located the correspondence the inside of recess 31, every spacing spring 52 sets up respectively in the correspondence the lateral wall of damping rod 53.
In this embodiment, the outer hub 2 is engaged with an engine gear, the inner hub 3 is fixedly connected with an output shaft of a wheel and rotates coaxially with the output shaft of the wheel, the clutch plate 4 serves as a connecting body of the outer hub 2 and the inner hub 3, so that the outer hub 2 can drive the inner hub 3 to rotate through the clutch plate 4, when a driver holds the cover plate 51 to be manually separated, the clutch plate 4 is separated, the inner hub 3 does not transmit with the outer hub 2 any more, the cover plate 51 is lifted, the damping rod 53 and the spring are lengthened, the damping rod 53 is provided with damping fluid inside, so that the stretching process of the damping rod 53 is gentle, and when the damping rod 53 shakes, the damping fluid can convert kinetic energy into heat energy, thereby slow down the shake to reduce clutch plate 4 with the wearing and tearing of damping pressboard 5, improved life, prevent the condition of skidding.
Further, a first threaded hole 32 is formed in the bottom of each groove 31, a plurality of second threaded holes 54 are formed in the top end of the cover plate 51, and each second threaded hole 54 is respectively arranged above the corresponding first threaded hole 32; each damping rod 53 comprises a first threaded rod 531, a movable rod 532, a cylinder 533, a second threaded rod 534 and a piston 535, the first threaded rod 531 is disposed inside the first threaded hole 32, one end of the movable rod 532 is fixedly connected with the first threaded rod 531, the cylinder 533 is movably connected with the movable rod 532, the piston 535 is slidably connected with the cylinder 533 and is fixedly connected with the other end of the movable rod 532, a damping fluid is disposed inside the cylinder 533, one end of the second threaded rod 534 is fixedly connected with the cylinder 533, and the other end of the second threaded rod 534 is disposed inside the second threaded hole 54; each damping rod 53 further includes a lock nut 536, and the lock nut 536 is threadedly coupled to the second threaded rod 534 and is positioned above the cover plate 51.
In this embodiment, during installation, the first threaded rod 531 is screwed into the first threaded hole 32, the second threaded rod 534 is aligned with the second threaded rod 534, the cover plate 51 is pressed downward, after the locking nut 536 contacts the cover plate 51, the locking nut 536 is continuously rotated, the first threaded rod 531 drives the cylinder 533, and the piston 535 drives the connecting rod and the second threaded rod 534 to rotate, so as to lock the second threaded rod 534; when the cover plate 51 is switched to be separated, the cylinder 533 slides along the connecting rod, the piston 535 moves in the cylinder 533, the damping fluid and the piston 535 generate friction, kinetic energy is converted into heat energy, vibration is eliminated, and the cover plate 51 moves more smoothly.
Further, a first annular groove 33 is formed at the bottom of each groove 31, a plurality of second annular grooves 55 are formed at the bottom of the cover plate 51, and each second annular groove 55 is located above the corresponding first annular groove 33; the limiting spring 52 comprises a first fixing ring 521, a second fixing ring 522 and a spring body 523, the first fixing ring 521 is arranged inside the first annular groove 33, the second fixing ring 522 is arranged inside the second annular groove 55, and two ends of the spring body 523 are fixedly connected with the first fixing ring 521 and the second fixing ring 522 respectively.
In the present embodiment, the first annular groove 33 and the second annular groove 55 are engaged with both ends of the limiting spring 52, so that the installation and the removal are facilitated; the first fixing ring 521 and the second fixing ring 522 are used for limiting the spring body 523, when the cover plate 51 is pressed, the spring body 523 is compressed, and the spring body 523 plays a buffering role.
Further, the clutch plate 4 includes a plurality of friction plates 41 and a plurality of transmission plates 42, each of the friction plates 41 and the transmission plates 42 is alternately arranged between the outer hub 2 and the cover plate 51; the transmission piece 42 is provided with a plurality of curved grooves 43, the number of the curved grooves 43 is multiple, and the curved grooves 43 are evenly arranged at the top end of the transmission piece 42 at intervals.
In this embodiment, the friction plates 41 are engaged with the outer hub 2 to rotate along with the outer hub 2, the transmission plates 42 are engaged with the inner hub 3 to rotate along with the inner hub 3, when the cover plate 51 is pressed, each transmission plate 42 is respectively closely attached to the corresponding friction plate 41, so that the outer hub 2 drives the inner hub 3 to rotate through the clutch plate 4, when the cover plate 51 is jacked up by the clutch rod 1, the transmission plates 42 are separated from the friction plates 41, the outer hub 2 is separated from the clutch plate 4, and the inner hub 3 cannot be driven to rotate; the curved groove 43 increases the contact area between the friction plate 41 and the driving strap 42, and increases the friction force applied to the driving strap 42, so that the friction plate is not easy to slip.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (8)
1. A primary gear transmission structure of an engine is characterized in that,
the primary gear transmission structure of the engine comprises a clutch rod, an outer hub, an inner hub, a clutch plate and a damping pressing plate, wherein the inner hub is rotatably connected with the outer hub and is positioned inside the outer hub;
damping pressfitting board is including apron, spacing spring and damping rod, the top of interior hub is provided with a plurality of recesses, the damping rod with the quantity of spacing spring with the quantity of recess is the same, the apron set up in the top of interior hub, every the damping rod respectively with the apron rotates to be connected, and is located the correspondence the inside of recess, every spacing spring set up respectively in corresponding the lateral wall of damping rod.
2. An engine primary gear transmission structure as recited in claim 1,
every the bottom of recess is provided with first screw hole, the top of apron is provided with a plurality of second screw holes, every the second screw hole sets up respectively in the top of corresponding first screw hole.
3. An engine primary gear transmission structure as recited in claim 2,
every the damping rod all includes first threaded rod, movable rod, barrel, second threaded rod and piston, first threaded rod set up in the inside of first screw hole, the one end of movable rod with first threaded rod fixed connection, the barrel with movable rod swing joint, the piston with barrel sliding connection, and with the other end fixed connection of movable rod, the inside of barrel is provided with damping liquid, second threaded rod one end barrel fixed connection, the other end of second threaded rod set up in the inside of second screw hole.
4. An engine primary gear transmission structure as recited in claim 3,
every the damping rod all still includes lock nut, lock nut with second threaded rod threaded connection, and be located the top of apron.
5. An engine primary gear transmission structure as recited in claim 4,
every the bottom of recess sets up all has first ring channel, the bottom of apron is provided with a plurality of second ring channels, every the second ring channel is equallyd divide and is located the correspondence the top of first ring channel.
6. An engine primary gear transmission structure as recited in claim 5,
the limiting spring comprises a first fixing ring, a second fixing ring and a spring body, wherein the first fixing ring is arranged in the first annular groove, the second fixing ring is arranged in the second annular groove, and the two ends of the spring body are respectively fixedly connected with the first fixing ring and the second fixing ring.
7. An engine primary gear transmission structure as recited in claim 6,
the clutch plate includes friction disc and drive plate, the friction disc with the quantity of drive plate is a plurality ofly, every the friction disc with the drive plate staggered arrangement in between outer hub and the apron.
8. An engine primary gear transmission structure as recited in claim 7,
the transmission piece is provided with the curved groove, the quantity in curved groove is a plurality of, every curved groove interval evenly set up in the top of transmission piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252825.0U CN215567462U (en) | 2021-09-17 | 2021-09-17 | Engine primary gear transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122252825.0U CN215567462U (en) | 2021-09-17 | 2021-09-17 | Engine primary gear transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215567462U true CN215567462U (en) | 2022-01-18 |
Family
ID=79851009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122252825.0U Active CN215567462U (en) | 2021-09-17 | 2021-09-17 | Engine primary gear transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215567462U (en) |
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2021
- 2021-09-17 CN CN202122252825.0U patent/CN215567462U/en active Active
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