CN220101997U - Transmission device with clutch mechanism and small agricultural machine - Google Patents
Transmission device with clutch mechanism and small agricultural machine Download PDFInfo
- Publication number
- CN220101997U CN220101997U CN202321234402.9U CN202321234402U CN220101997U CN 220101997 U CN220101997 U CN 220101997U CN 202321234402 U CN202321234402 U CN 202321234402U CN 220101997 U CN220101997 U CN 220101997U
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- force application
- clutch
- transmission
- limiting
- shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 96
- 238000007789 sealing Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a transmission device with a clutch mechanism and a small agricultural machine, wherein the transmission device with the clutch mechanism comprises a transmission shaft and a transmission wheel, and the transmission wheel is sleeved on the transmission shaft and is in rotary connection with the transmission shaft; a cavity is arranged in the driving wheel, a clutch and a slider are arranged in the cavity, the clutch is sleeved on a driving shaft, and the driving shaft is in driving connection with the driving wheel through the clutch; the sliding device is in sliding connection with the transmission shaft, one end of the sliding device is abutted with the clutch, and the transmission wheel is provided with a passing hole matched with the sliding device; the slider comprises a limiting piece and a force application piece, wherein the force application piece is sleeved on the transmission shaft, and the limiting piece is connected with the inner wall of the force application piece. The limiting piece of the slider can solve the problem of the adaptation of the clutch switch between different clutches, so that at least two specifications of oil-immersed clutches can be installed in the cavity.
Description
Technical Field
The utility model belongs to the technical field of agricultural machinery, and particularly relates to a transmission device with a clutch mechanism and a small agricultural machine.
Background
In the agricultural machine of current design, mostly the axle transmission between engine and the gearbox, on the one hand increased the distance between engine and the gearbox and made little agricultural machine longer, on the other hand clutch is located between engine and the gearbox, can't cut off vibration and transmit to the engine, and then influence the life of engine, consequently, can pass through modes such as belt, chain between engine and the gearbox and transmit power, then need set up sprocket or belt pulley on the gearbox, then cooperate oil-immersed clutch and sprocket or belt pulley, but the oil-immersed clutch of multiple specification on the market, except need solve clutch switch's oil blanket and the problem of sliding, still more need solve clutch switch's adaptation problem between different clutches.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model discloses a transmission device with a clutch mechanism, which adopts the following scheme:
the transmission device with the clutch mechanism comprises a transmission shaft and a transmission wheel, wherein the transmission wheel is sleeved on the transmission shaft and is in rotary connection with the transmission shaft; a cavity is arranged in the driving wheel, a clutch and a slider are arranged in the cavity, the clutch is sleeved on a driving shaft, and the driving shaft is in driving connection with the driving wheel through the clutch; the sliding device is in sliding connection with the transmission shaft, one end of the sliding device is abutted with the clutch, and the transmission wheel is provided with a passing hole matched with the sliding device; the slider comprises a limiting piece and a force application piece, wherein the force application piece is sleeved on the transmission shaft, and the limiting piece is connected with the inner wall of the force application piece.
Further, the distance between the force application end of the force application piece and the limiting piece is not less than 0.2cm, preferably 0.5-2cm; and/or the slider extends out of the passage hole, preferably, the force application member abuts against a driving portion of the clutch.
Further, the force application piece comprises a sleeve, and the limiting piece is positioned in the sleeve; preferably, the force application member further comprises a force application seat, and the force application seat is located at the force application end of the sleeve.
Further, the force application seat comprises at least two force application protrusions; the preferred force application protrusions are arranged along the annular array of the sleeve; alternatively, the force application seat comprises an annular seat connected with the sleeve.
Further, the limiting piece is a bulge or a boss or an inner sleeve sleeved in the sleeve, and/or a first sealing piece is arranged between the slider and the transmission shaft, and a second sealing piece is arranged between the slider and the transmission wheel; preferably, the first sealing member is located between the limiting member and the force application end of the force application member, and further preferably, a mounting groove for mounting the first sealing member is formed in the slider.
Further, the clutch is a normally open clutch or a normally closed clutch, preferably a normally open clutch.
Further, the transmission shaft is sleeved with a limiting device, the limiting device comprises a fixing portion and a moving portion, the moving portion is in butt joint with the slider, a first inclined surface and a supporting seat are arranged on the moving portion, the first inclined surface is obliquely arranged around the supporting seat, the fixing portion is sleeved on the supporting seat, and a second inclined surface matched with the first inclined surface is arranged on the fixing portion.
The utility model also discloses a small agricultural machine, which comprises any transmission device with the clutch mechanism.
The transmission shaft extends into the transmission case, an intermediate shaft is further arranged in the transmission case, and the transmission shaft is in transmission connection with the intermediate shaft; the transmission shaft is provided with a first gear which is in sliding connection with the transmission shaft; the intermediate shaft is provided with a second gear which is in sliding connection with the intermediate shaft.
Further, the bicycle frame is provided with a handle connecting seat, the handle connecting seat is provided with a handle, the handle is provided with an operating handle, and the operating handle is connected with a brake cable matched with the limiting device; the operation handle comprises a mounting seat and a control handle, the end part of the control handle is hinged with the end part of the mounting seat, a first rotating shaft is rotationally connected to the control handle, a movable channel is arranged on the mounting seat, a second rotating shaft is arranged in the movable channel, the second rotating shaft can move in the movable channel, the first rotating shaft and the second rotating shaft are connected through elastic pieces, a brake cable is connected to the second rotating shaft, a limiting support is further hinged to the control handle, a first limiting part and a second limiting part are arranged on the limiting support, and a third limiting part matched with the second limiting part is arranged on the mounting seat.
By adopting the technical scheme, the utility model has the beneficial effects that:
the utility model can realize the power transmission between the engine and the gearbox through the transmission wheel in a belt, a chain and other modes, cut off the transmission of vibration to the engine, and play a good role in protecting the engine.
The limiting piece of the slider can solve the problem of the adaptation of the clutch switch between different clutches, so that at least two specifications of oil-immersed clutches can be installed in the cavity.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a transmission according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of a transmission device according to another embodiment of the present utility model;
FIG. 3 is a schematic view of a slider structure according to an embodiment of the present utility model;
FIG. 4 is a schematic illustration of a clutch configuration;
FIG. 5 is a schematic illustration of another clutch configuration;
FIG. 6 is a schematic view of a limiting device according to an embodiment of the present utility model;
FIG. 7 is a schematic view of an operating handle according to an embodiment of the present utility model;
FIG. 8 is a schematic view of the control handle of FIG. 7 in another configuration;
the device comprises a 1-transmission shaft, a 2-transmission wheel, a 3-clutch, a 31-driving part, a 32-support, a 4-slider, a 41-limiting part, a 42-force application part, a 43-sleeve, a 44-force application seat, a 45-mounting groove, a 5-limiting device, a 51-fixing part, a 52-moving part, a 53-first inclined plane, a 54-supporting seat, a 55-second inclined plane, a 56-rotating support rod, a 61-mounting seat, a 62-control handle, a 63-first rotating shaft, a 64-movable channel, a 65-second rotating shaft, a 66-elastic part, a 7-brake cable, an 8-limiting support, a 81-first limiting part, a 82-second limiting part and a 83-third limiting part.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model discloses a transmission device with a clutch mechanism, which comprises a transmission shaft 1 and a transmission wheel 2, wherein the transmission wheel 2 is sleeved on the transmission shaft 1 and is in rotary connection with the transmission shaft 1; a cavity is arranged in the driving wheel 2, a clutch 3 and a slider 4 are arranged in the cavity, the clutch 3 is sleeved on the driving shaft 1, and the driving shaft 1 is in driving connection with the driving wheel 2 through the clutch 3; the sliding device 4 is in sliding connection with the transmission shaft 1, one end of the sliding device 4 is abutted against the clutch 3, and the transmission wheel 2 is provided with a passing hole matched with the sliding device 4; the slider 4 comprises a limiting piece 41 and a force application piece 42, wherein the force application piece 42 is sleeved on the transmission shaft 1, and the limiting piece 41 is connected with the inner wall of the force application piece 42. One end of the slider 4 is abutted against the clutch 3, and the force application member 42 of the slider 4 contacts against the clutch 3, so that the slider 4 can slide towards one end of the clutch 3 to loose or tightly attach the clutch plate in the clutch 3, and power transmission or disconnection is realized. The utility model can realize the power transmission between the engine and the gearbox through the driving wheel 2 in a belt, chain and other modes, cuts off the transmission of vibration to the engine, and plays a good role in protecting the engine. The drive wheel 2 may be a sprocket or a pulley, preferably a pulley.
As shown in fig. 4 and fig. 5, there are two types of conventional oil-immersed clutches, one type is that only a clutch driving part 31 is provided on the end face of the clutch (the clutch driving part of the oil-immersed clutch is commonly called a planar sliding sleeve), and by pressing or releasing the clutch driving part 31, the loosening or close contact of a clutch plate in the clutch can be controlled to realize power transmission or cut-off; the other type is that a clutch driving part 31 (the clutch driving part of the oil-immersed clutch is commonly called as a plane bearing) and a support 32 are arranged on the end face of the clutch, and the loosening or the close contact of a clutch plate in the clutch can be controlled by pressing or releasing the clutch driving part 31 to realize power transmission or cutting off, while in the clutch, the support 31 is fixed, so that different clutch switches are respectively configured for different types of oil-immersed clutches in the prior art. The slider 4 of the present utility model includes a limiting member 41 and a force application member 42, wherein the limiting member 41 can solve the problem of adapting the clutch switch between different clutches, so that at least two types of oil-immersed clutches can be installed in the cavity, and fig. 1 is a schematic diagram of adapting the slider 4 of the present utility model to a clutch having only a clutch driving portion 31; fig. 2 is a schematic view of the adaptation of the present utility model of the runner 4 to a clutch having both a clutch drive 31 and a carrier 32.
Preferably, the distance between the force application end of the force application member 42 (i.e. the end abutting against the driving part 31 of the clutch) and the limiting member 41 is not less than 0.2cm, for example, may be 0.2cm, 0.3cm, 0.5cm, 1cm, 1.5cm, 2cm, 2.5cm, 3cm, preferably 0.5-2cm, and the distance between the force application end and the limiting member 41 leaves enough accommodation space for the support 32 to fit this type of clutch. Preferably, the runner 4 extends out of the through hole, so as to control the position of the runner 4 outside the driving wheel 2, and preferably, the force application member 42 abuts against the driving portion 31 of the clutch 3.
In one aspect, the force application member 42 includes a sleeve 43, the side wall of the sleeve 43 may be solid or hollow, and the limiting member 41 is located in the sleeve 43; preferably, the force application member 42 further includes a force application seat 44, where the force application seat 44 is located at the force application end of the sleeve 43, and the specific structures of the force application seat 44 and the limiting member 41 are not limited in the present utility model, for example, the force application seat 44 includes at least two force application protrusions; the preferred force application protrusions are arranged along the annular array of the sleeve; alternatively, the force application seat 44 includes an annular seat (as shown in fig. 3) connected to the sleeve 43, and the limiting member 41 is a protrusion or a boss or an inner sleeve sleeved in the sleeve 43.
In one scheme, a first sealing element is arranged between the slider 4 and the transmission shaft 1, and a second sealing element is arranged between the slider 4 and the transmission wheel 2 to prevent lubricating oil in the clutch from flowing out; preferably, a mounting groove 45 for mounting the first sealing member is provided in the slider 4. The mounting groove 45 is located on the inner wall of the sleeve 43 or the inner wall of the stopper 41, and in one embodiment, the distance between the mounting groove 45 and the force application end of the force application member 42 is greater than the distance between the stopper 41 and the force application end of the force application member 42. In another embodiment, the distance between the mounting groove 45 and the force application end of the force application member 42 is smaller than the distance between the limit member 41 and the force application end of the force application member 42. Preferably, the first seal member is located between the stopper 41 and the force application end of the force application member 42.
In one scheme, the clutch 3 is a normally open clutch or a normally closed clutch, the normally open clutch is in a power cut-off state under the condition that no external force is applied to the clutch, and the normally closed clutch is in a power transmission state under the condition that no external force is applied to the clutch, preferably the normally open clutch, so that the clutch is safer.
In one scheme, the transmission shaft 1 is sleeved with the limiting device 5, the limiting device 5 comprises a fixing part 51 and a moving part 52, the moving part 52 is abutted against the runner 4, the moving part 52 is provided with a first inclined plane 53 and a supporting seat 54, the first inclined plane 53 is obliquely arranged around the supporting seat 54, the fixing part 51 is sleeved on the supporting seat 54, the fixing part 51 is provided with a second inclined plane 55 matched with the first inclined plane 53, the fixing part 51 does not slide on the transmission shaft 1, for example, the fixing part 51 can be sleeved on the transmission shaft 1 through a bearing, the fixing part 51 is provided with a rotating support rod 56, the rotating support rod 56 can be connected with a brake cable, the rotating support rod 56 is pulled, the fixing part 51 is driven to rotate, and when the fixing part 51 rotates, the distance between the moving part 52 and the fixing part 51 is increased or decreased due to the fact that the fixing part 51 is fixed at the position on the transmission shaft 1, and the moving part 52 moves towards one end of the runner 4 or moves towards one end far away from the runner 4, and the position of the runner 4 is changed on the transmission shaft 1.
The utility model also discloses a small agricultural machine, which comprises any transmission device with the clutch mechanism. The transmission shaft 1 extends into the transmission case, an intermediate shaft is further arranged in the transmission case, and the transmission shaft is in transmission connection with the intermediate shaft; the transmission shaft is provided with a first gear which is in sliding connection with the transmission shaft; the intermediate shaft is provided with a second gear, the second gear is in sliding connection with the intermediate shaft, and the first gear and the second gear which are in sliding connection with the transmission shaft and the intermediate shaft are arranged, so that multiple gears of the gearbox are realized, the structure of the gearbox is simplified, the volume of the gearbox is reduced, and the weight of the gearbox is reduced.
The small agricultural machine further comprises a frame, a handle connecting seat is arranged on the frame, a handle is arranged on the handle connecting seat, an operating handle is arranged on the handle, a brake cable 7 matched with the limiting device 5 is connected to the operating handle, and the brake cable 7 is connected with a rotary support 56 of the fixed part 51; the operation handle comprises a mounting seat 61 and a control handle 62, the mounting seat 61 is connected with a handle, the end part of the control handle 62 is hinged with the end part of the mounting seat 61, a first rotating shaft 63 is rotatably connected to the control handle 62, a movable channel 64 is arranged on the mounting seat 61, a second rotating shaft 65 is arranged in the movable channel 64, the second rotating shaft 65 can move in the movable channel 64, the first rotating shaft 63 and the second rotating shaft 65 are connected through an elastic piece 66, a brake cable 7 is connected to the second rotating shaft 65, a limiting support 8 is hinged to the control handle 62, a first limiting part 81 and a second limiting part 82 are arranged on the limiting support 8, and a third limiting part 83 matched with the second limiting part 82 is arranged on the mounting seat 61.
Fig. 7 is a schematic diagram of the control handle 62 of the operating handle in this embodiment in a natural state, at this time, the second rotating shaft 65 is located at the first end of the movable channel 64 under the driving of the elastic member 66, fig. 8 is a schematic diagram of the control handle 62 of the operating handle in this embodiment being limited, at this time, the first limiting portion 81 of the limiting bracket 8 abuts against the upper end of the control handle 62, and the second limiting portion 82 cooperates with the third limiting portion 83, so as to realize limiting of the control handle 62 by the limiting bracket 8. At this time, the second rotating shaft 65 is located at the second end of the movable channel 64, the distance from the first end to the second end is the moving distance of the brake cable 7, and the brake cable 7 moves between the first end and the second end, so as to realize the rotation of the rotating support rod 56, and further control the power transmission and disconnection of the clutch 3 through the moving part 52 and the slider 4, and the setting of the limit bracket 8 makes the control of the clutch safer and more reliable.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A transmission with clutch mechanism, characterized in that: the transmission wheel is sleeved on the transmission shaft and is rotationally connected with the transmission shaft;
a cavity is arranged in the driving wheel, a clutch and a slider are arranged in the cavity, the clutch is sleeved on a driving shaft, and the driving shaft is in driving connection with the driving wheel through the clutch;
the sliding device is in sliding connection with the transmission shaft, one end of the sliding device is abutted with the clutch, and the transmission wheel is provided with a passing hole matched with the sliding device;
the slider comprises a limiting piece and a force application piece, wherein the force application piece is sleeved on the transmission shaft, and the limiting piece is connected with the inner wall of the force application piece.
2. The transmission according to claim 1, wherein: the distance between the force application end of the force application piece and the limiting piece is not less than 0.2cm, preferably 0.5-2cm;
and/or
The slider extends out of the passage hole, and preferably, the urging member abuts against a driving portion of the clutch.
3. The transmission according to claim 1, wherein: the force application piece comprises a sleeve, and the limiting piece is positioned in the sleeve; preferably, the force application member further comprises a force application seat, and the force application seat is located at the force application end of the sleeve.
4. A transmission according to claim 3, wherein: the force application seat comprises at least two force application protrusions; the preferred force application protrusions are arranged along the annular array of the sleeve;
or alternatively
The force application seat comprises an annular seat connected with the sleeve.
5. The transmission according to claim 1, wherein: the limiting piece is a bulge or a boss or an inner sleeve sleeved in the sleeve;
and/or
A first sealing element is arranged between the slider and the transmission shaft, and a second sealing element is arranged between the slider and the transmission wheel;
preferably, the first sealing member is located between the limiting member and the force application end of the force application member, and further preferably, a mounting groove for mounting the first sealing member is formed in the slider.
6. The transmission according to claim 1, wherein: the clutch is a normally open clutch or a normally closed clutch, preferably a normally open clutch.
7. The transmission according to claim 1, wherein: the transmission shaft is sleeved with a limiting device, the limiting device comprises a fixing portion and a moving portion, the moving portion is in butt joint with the slider, a first inclined surface and a supporting seat are arranged on the moving portion, the first inclined surface is obliquely arranged around the supporting seat, the fixing portion is sleeved on the supporting seat, and a second inclined surface matched with the first inclined surface is arranged on the fixing portion.
8. A small agricultural machine, characterized in that: a transmission comprising the clutch mechanism of any one of claims 1-7.
9. The small agricultural machine of claim 8, wherein: the transmission shaft extends into the transmission case, an intermediate shaft is further arranged in the transmission case, and the transmission shaft is in transmission connection with the intermediate shaft;
the transmission shaft is provided with a first gear which is in sliding connection with the transmission shaft;
the intermediate shaft is provided with a second gear which is in sliding connection with the intermediate shaft.
10. The small agricultural machine of claim 8, wherein: the bicycle comprises a bicycle frame, wherein the bicycle frame is provided with a handle connecting seat, a handle is arranged on the handle connecting seat, an operating handle is arranged on the handle, and a brake cable matched with a limiting device is connected to the operating handle;
the operating handle comprises a mounting seat and a control handle, the end part of the control handle is hinged with the end part of the mounting seat, the control handle is rotationally connected with a first rotating shaft, the mounting seat is provided with a movable channel, a second rotating shaft is arranged in the movable channel and can move in the movable channel, the first rotating shaft and the second rotating shaft are connected through an elastic piece, the brake cable is connected on the second rotating shaft,
the control handle is further hinged with a limiting support, a first limiting part and a second limiting part are arranged on the limiting support, and a third limiting part matched with the second limiting part is arranged on the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234402.9U CN220101997U (en) | 2023-05-22 | 2023-05-22 | Transmission device with clutch mechanism and small agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234402.9U CN220101997U (en) | 2023-05-22 | 2023-05-22 | Transmission device with clutch mechanism and small agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101997U true CN220101997U (en) | 2023-11-28 |
Family
ID=88866240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321234402.9U Active CN220101997U (en) | 2023-05-22 | 2023-05-22 | Transmission device with clutch mechanism and small agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101997U (en) |
-
2023
- 2023-05-22 CN CN202321234402.9U patent/CN220101997U/en active Active
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