CN214998962U - One-way jaw clutch - Google Patents
One-way jaw clutch Download PDFInfo
- Publication number
- CN214998962U CN214998962U CN202120869902.4U CN202120869902U CN214998962U CN 214998962 U CN214998962 U CN 214998962U CN 202120869902 U CN202120869902 U CN 202120869902U CN 214998962 U CN214998962 U CN 214998962U
- Authority
- CN
- China
- Prior art keywords
- clutch
- way
- piston
- jaw
- jaw clutch
- 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.)
- Active
Links
Images
Landscapes
- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses an one-way jaw clutch, it includes transmission shaft, jaw clutch piston and jaw clutch gear, jaw clutch piston fixes on the transmission shaft, jaw clutch gear cover is established at the transmission shaft and is rotated with the transmission shaft and is connected, the one end of the orientation jaw clutch gear of jaw clutch piston is provided with first one-way sawtooth structure, the one end of the orientation jaw clutch piston of jaw clutch gear be provided with the one-way sawtooth structure of power one-way transmission's second is realized in the cooperation of first one-way sawtooth structure. The utility model provides an one-way jaw clutch can omit gearshift, simple structure, and the function is reliable.
Description
Technical Field
The utility model relates to an one-way jaw clutch belongs to derailleur technical field.
Background
At present, a unidirectional power transmission device is needed in the process of switching different gears of a vehicle. The common torque flow direction switching mode is synchronizer switching or idler switching, but no matter what mode, a gear shifting mechanism is required to operate, the structure is complex, the occupied space is large, and the performance control is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome prior art not enough, provide an one-way formula jaw clutch, can omit gearshift, simple structure, the function is reliable.
In order to solve the technical problem, the technical scheme of the utility model is that:
a one-way jaw clutch comprises a transmission shaft, a jaw clutch piston and a jaw clutch gear, wherein the jaw clutch piston is fixed on the transmission shaft, the jaw clutch gear is sleeved on the transmission shaft and is rotationally connected with the transmission shaft, one end of the jaw clutch piston, facing the jaw clutch gear, is provided with a first one-way sawtooth structure, one end of the jaw clutch gear, facing the jaw clutch piston, is provided with a second one-way sawtooth structure which is matched with the first one-way sawtooth structure to realize one-way power transmission, the outer side of an inner hole of the jaw clutch piston is provided with a limiting groove, a clutch limiting baffle is arranged in the limiting groove, the clutch limiting baffle and the limiting groove form a hydraulic cavity, and the outer side of one end of the jaw clutch piston, far away from the jaw clutch gear, is provided with a clutch fixing baffle, and a clutch driving spring is arranged between the clutch fixing baffle and the jaw clutch piston.
Furthermore, a snap ring is arranged on the outer side of one end, far away from the jaw clutch piston, of the clutch fixing baffle, the snap ring is used for axially limiting the clutch fixing baffle, and an inner hole of the clutch fixing baffle is provided with a spline which is matched and fixed with the spline of the transmission shaft.
Further, it is fixed with the external splines cooperation of transmission shaft periphery to be provided with the piston spline on the pore wall of tooth clutch piston hole, the outside of tooth clutch piston's spacing groove is provided with first mounting groove, be provided with the sealing ring in the first mounting groove, set up the second mounting groove in the clutch limit baffle, be provided with the sealing washer in the second mounting groove.
Further, the inside axial of transmission shaft is provided with the hole oil circuit, sealing connection has a bowl shape chock plug on the hole oil circuit, radial oil circuit has been seted up to the radial of transmission shaft, the hole oil circuit passes through radial oil circuit and the oil groove intercommunication of dog clutch limit baffle.
Further, be provided with bearing between dog clutch gear and the transmission shaft, the third mounting groove has been seted up to the one end of the dog clutch gear towards dog clutch piston, be provided with first ball bearing in the third mounting groove, the outside of first ball bearing is provided with first bearing snap ring, the fourth mounting groove has been seted up to the one end of keeping away from dog clutch piston of dog clutch gear, be provided with second ball bearing in the fourth mounting groove, the outside of second ball bearing is provided with the second bearing snap ring.
Further, be provided with a plurality of clutch drive springs between clutch fixed stop and the dog clutch piston, be provided with a plurality of first spring mounting holes on the one end terminal surface of keeping away from dog clutch gear of dog clutch piston, clutch drive spring's one end is fixed in first spring mounting hole, clutch drive spring's the other end is fixed in clutch fixed stop.
Further, the hole wall of the inner hole of the clutch fixing baffle is provided with a baffle spline which is matched and fixed with the outer spline on the periphery of the transmission shaft, one end of the clutch fixing baffle, facing the jaw clutch piston, is provided with a plurality of second spring mounting holes and a guide hole, and the other end of the clutch driving spring is fixed in the second spring mounting holes.
Furthermore, a plurality of first guide posts and second guide posts are arranged on the end face, far away from the jaw clutch gear, of the jaw clutch piston, oil holes are formed in the second guide posts in the axial direction and are sealed, and the first guide posts and the second guide posts move in the guide holes.
Furthermore, the one end that is close to the dog clutch piston of dog clutch limit baffle is provided with the oil circuit structure, be provided with the oil groove structure on the hole pore wall of dog clutch limit baffle, the oil groove structure with the hole oil circuit intercommunication of transmission shaft, dog clutch limit baffle's oil circuit structure with the oil groove structure intercommunication.
Further, the first unidirectional tooth structure comprises a first driving surface and a first non-driving surface, and the second unidirectional tooth structure comprises a second driving surface and a second non-driving surface.
Having adopted above-mentioned technical scheme, the utility model discloses a power one-way transmission is realized to the one-way drive tooth structure of dog clutch gear and dog clutch piston, and the structure is simple compacter, and occupation space is little, compares synchronizer power transmission, can omit gearshift. Reliable function and convenient strategy control.
Drawings
Fig. 1 is a cross-sectional view of a one-way dog clutch of the present invention;
fig. 2 is a perspective view of the clutch fixing baffle of the present invention;
fig. 3 is a perspective view of the clutch limit baffle of the present invention;
FIG. 4 is a perspective view of a jaw clutch piston of the present invention;
FIG. 5 is a right side view of FIG. 4;
fig. 6 is a perspective view of the jaw clutch gear of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 6, a one-way type jaw clutch comprises a transmission shaft 2, a jaw clutch piston 7 and a jaw clutch gear 11, wherein the jaw clutch piston 7 is fixed on the transmission shaft 2, the jaw clutch gear 11 is sleeved on the transmission shaft 2 and is rotatably connected with the transmission shaft 2, one end of the jaw clutch piston 7 facing the jaw clutch gear 11 is provided with a first one-way sawtooth structure, one end of the jaw clutch gear 11 facing the jaw clutch piston 7 is provided with a second one-way sawtooth structure matched with the first one-way sawtooth structure to realize one-way power transmission, the outer side of the inner hole of the jaw clutch piston 7 is provided with a limit groove, a clutch limit baffle 6 is arranged in the limit groove, the clutch limit baffle 6 and the limit groove form a hydraulic cavity, the outer side of one end of the jaw clutch piston 7 far away from the jaw clutch gear 11 is provided with a clutch fixing baffle 4, a clutch drive spring 15 is arranged between the clutch fixed baffle 4 and the jaw clutch piston 7. When torque flow is input through the jaw clutch gear 11, the oil pressure of a hydraulic cavity between the clutch piston 7 and the clutch limit baffle 6 is released, the jaw clutch piston 7 is close to the jaw clutch gear 11 under the action of the clutch driving spring 15, the torque flow is transmitted to the jaw clutch piston 7 through the one-way driving tooth structure of the jaw clutch gear 11 and the jaw clutch piston 7, and the torque flow is transmitted to the transmission shaft 2 and output to a lower mechanism through the spline structure of the jaw clutch piston again. Since the driving force of the clutch piston 7 is controlled by the oil pressure of the hydraulic chamber between the clutch piston 7 and the clutch limit stopper 6 by the flushing and the discharging, the shift fork shift mechanism can be eliminated.
As shown in fig. 1, 4 and 5, a clutch fixing baffle 4 is arranged outside one end of the jaw clutch piston 7 far away from the jaw clutch gear 11, and the clutch fixing baffle 4 plays a role in axially limiting the jaw clutch piston 7. The outer side of one end, far away from the jaw clutch piston 7, of the clutch fixing baffle plate 4 is provided with a clamping ring 3, and the clamping ring 3 is used for axially limiting the clutch fixing baffle plate 4. The inner hole of the clutch fixed baffle 4 is provided with a spline which is matched and fixed with the spline of the transmission shaft 2.
As shown in fig. 1, 4 and 5, a piston spline 7004 is provided on a hole wall of an inner hole of the dog clutch piston 7 to be engaged and fixed with an external spline on the outer periphery of the transmission shaft 2, and the dog clutch piston 7 can slide on the transmission shaft 2 through the piston spline 7004. The outside of the internal hole of the jaw clutch piston 7 is provided with a limit groove, the limit groove is internally provided with a clutch limit baffle 6, the clutch limit baffle 6 provides limit for the right movement of the clutch piston 7 on the one hand, and on the other hand, forms a sealed hydraulic cavity with the limit groove of the clutch piston 7 to provide hydraulic driving force. The outside of clutch piston 7's spacing groove is provided with first mounting groove, is provided with sealing ring 8 in the first mounting groove, and sealing ring 8 plays sealed effect to the outer disc in the hydraulic pressure chamber between clutch piston 7 and the clutch limit baffle 6. A second mounting groove 6002 is formed in the clutch limiting baffle 6, a sealing ring 5 is arranged in the second mounting groove 6002, and the sealing ring 5 plays a role in sealing the inner circular surface of the hydraulic cavity between the clutch piston 7 and the clutch limiting baffle 6.
As shown in fig. 1, an inner bore oil path 21 is axially arranged inside the transmission shaft 2, the inner bore oil path 21 is hermetically connected with the bowl-shaped plug piece 1, a radial oil path 22 is radially arranged on the transmission shaft 2, and the inner bore oil path 21 is communicated with an oil groove of the jaw clutch limit baffle 6 through the radial oil path 22.
As shown in fig. 1, a needle bearing 12 is disposed between the dog clutch gear 11 and the transmission shaft 2, a third mounting groove is disposed at one end of the dog clutch gear 11 facing the dog clutch piston 7, a first ball bearing 10 is disposed in the third mounting groove, a first bearing snap ring 9 is disposed outside the first ball bearing 10, and the first bearing snap ring 9 axially limits the first ball bearing 10. A fourth mounting groove is formed in one end, far away from the jaw clutch piston 7, of the jaw clutch gear 11, a second ball bearing 14 is arranged in the fourth mounting groove, a second bearing clamping ring 13 is arranged on the outer side of the second ball bearing 14, and the second bearing clamping ring 13 plays an axial limiting role in the second ball bearing 14. The jaw clutch gear 11 is rotatably connected to the drive shaft 2 via a needle bearing 12, a first ball bearing 10 and a second ball bearing 14.
As shown in fig. 1, 4 and 5, a plurality of clutch driving springs 15 are arranged between the clutch fixed baffle 4 and the jaw clutch piston 7, the clutch driving springs 15 are in a compressed state when the hydraulic cavity is filled with oil to store energy, and provide driving force for the clutch piston 7 when the hydraulic cavity is drained, a plurality of first spring mounting holes 7001 are arranged on the end face of one end of the jaw clutch piston 7 far away from the jaw clutch gear 11, one end of each clutch driving spring 15 is fixed in each first spring mounting hole 7001, and the other end of each clutch driving spring 15 is fixed in the clutch fixed baffle 4.
As shown in fig. 2, a baffle spline 4002 is arranged on the hole wall of the inner hole of the clutch fixing baffle 4 and is matched and fixed with an external spline on the periphery of the transmission shaft 2, a plurality of second spring mounting holes 4001 and guide holes 4003 are arranged at one end, facing the jaw clutch piston 7, of the clutch fixing baffle 4, when the hydraulic cavity is filled with oil, the clutch piston 7 moves towards the clutch fixing baffle 4, at the moment, the first guide column 7002 and the second guide column 7003 of the clutch piston 7 are inserted into the guide holes 4003 of the clutch fixing baffle 4, and the guide holes 4003 provide an avoiding space and a guiding function for the first guide column 7002 and the second guide column 7003. To ensure that the clutch drive spring 15 is able to compress vertically when the clutch piston 7 is moving to the left. The other end of the clutch drive spring 15 is fixed in the second spring mounting hole 4001.
As shown in fig. 1, 4 and 5, a plurality of first guide columns 7002 and second guide columns 7003 are arranged on an end surface of the jaw clutch piston 7 away from the jaw clutch gear 11, and oil holes are opened in the axial direction of the second guide columns 7003 and are blocked by pulling up plugs to ensure the sealing performance of the hydraulic pressure chamber. Both first guide post 7002 and second guide post 7003 move within guide aperture 4003.
As shown in fig. 3, an oil channel structure 6001 is disposed at one end of the dog clutch limiting baffle 6 close to the dog clutch piston 7, an oil channel structure 6003 is disposed on a hole wall of an inner hole of the dog clutch limiting baffle 6, the oil channel structure 6003 is communicated with the inner hole oil channel 21 of the transmission shaft 2 and the oil channel structure 6001 of the clutch piston 7, and the oil channel structure 6001 of the dog clutch limiting baffle 6 is communicated with the oil channel structure 6003, so as to ensure that high-pressure oil enters the hydraulic cavity through the inner hole oil channel 21 and the radial oil channel 22 of the transmission shaft 2, the oil channel structure 6003 of the clutch limiting baffle 6 and the oil channel structure 6001.
As shown in fig. 4, 5, 6, the first unidirectional serration structure comprises a first driven face 7006 and a first non-driven face 7005, and the second unidirectional serration structure comprises a second driven face 1102 and a second non-driven face 1101. The first drive face 7006 of the one-way serration of the dog clutch piston 7 cooperates with the second drive face 1102 of the one-way serration of the dog clutch gear 11 to effect the transfer of torque flow. In the event of a hydraulic system failure, the first non-driving face 7005 and the second non-driving face 1101 may transmit power with clutch saw tooth structure engagement avoided to ensure better unidirectional power transmission.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A one-way dog clutch, characterized in that: it comprises a transmission shaft (2), a jaw clutch piston (7) and a jaw clutch gear (11), wherein the jaw clutch piston (7) is fixed on the transmission shaft (2), the jaw clutch gear (11) is sleeved on the transmission shaft (2) and is rotationally connected with the transmission shaft (2), one end of the jaw clutch piston (7) facing the jaw clutch gear (11) is provided with a first one-way sawtooth structure, one end of the jaw clutch gear (11) facing the jaw clutch piston (7) is provided with a second one-way sawtooth structure which is matched with the first one-way sawtooth structure to realize one-way power transmission, the outer side of an inner hole of the jaw clutch piston (7) is provided with a limit groove, a clutch limit baffle (6) is arranged in the limit groove, and the clutch limit baffle (6) and the limit groove form a hydraulic cavity, and a clutch fixing baffle (4) is arranged on the outer side of one end, far away from the jaw clutch gear (11), of the jaw clutch piston (7), and a clutch driving spring (15) is arranged between the clutch fixing baffle (4) and the jaw clutch piston (7).
2. A one-way dog clutch according to claim 1, wherein: the one end outside of keeping away from jaw clutch piston (7) of clutch fixed stop (4) is provided with snap ring (3), snap ring (3) are right clutch fixed stop (4) carry out the axial spacing, clutch fixed stop (4) hole is equipped with the spline cooperation of spline and transmission shaft (2) and fixes.
3. A one-way dog clutch according to claim 1, wherein: be provided with on the pore wall of dog clutch piston (7) hole piston spline (7004) fixed with the external spline cooperation of transmission shaft (2) periphery, the outside of the spacing groove of dog clutch piston (7) is provided with first mounting groove, be provided with sealing ring (8) in the first mounting groove, second mounting groove (6002) have been seted up in clutch limit baffle (6), be provided with sealing washer (5) in second mounting groove (6002).
4. A one-way dog clutch according to claim 3, wherein: the inside axial of transmission shaft (2) is provided with hole oil circuit (21), sealing connection has bowl shape cock piece (1) on hole oil circuit (21), radial oil circuit (22) have been seted up radially of transmission shaft (2), hole oil circuit (21) are passed through radial oil circuit (22) and the oil groove intercommunication of dog clutch limit baffle (6).
5. A one-way dog clutch according to claim 1, wherein: be provided with bearing (12) between dog clutch gear (11) and transmission shaft (2), the third mounting groove has been seted up to the one end towards dog clutch piston (7) of dog clutch gear (11), be provided with first ball bearing (10) in the third mounting groove, the outside of first ball bearing (10) is provided with first bearing snap ring (9), the fourth mounting groove has been seted up to the one end of keeping away from dog clutch piston (7) of dog clutch gear (11), be provided with second ball bearing (14) in the fourth mounting groove, the outside of second ball bearing (14) is provided with second bearing snap ring (13).
6. A one-way dog clutch according to claim 2, wherein: be provided with a plurality of clutch driving spring (15) between clutch fixed stop (4) and dog clutch piston (7), be provided with a plurality of first spring mounting hole (7001) on the one end face of keeping away from dog clutch gear (11) of dog clutch piston (7), the one end of clutch driving spring (15) is fixed in first spring mounting hole (7001), the other end of clutch driving spring (15) is fixed in clutch fixed stop (4).
7. The one-way dog clutch according to claim 6, wherein: be provided with baffle spline (4002) on the pore wall of clutch fixed stop (4) hole and be fixed with the external splines cooperation of transmission shaft (2) periphery, the one end of clutch fixed stop (4) towards jaw clutch piston (7) is provided with a plurality of second spring mounting hole (4001) and guiding hole (4003), the other end of clutch driving spring (15) is fixed in second spring mounting hole (4001).
8. The one-way dog clutch according to claim 7, wherein: the end face, far away from the jaw clutch gear (11), of one end of the jaw clutch piston (7) is provided with a plurality of first guide columns (7002) and a plurality of second guide columns (7003), oil holes are formed in the axial direction of the second guide columns (7003) and are sealed, and the first guide columns (7002) and the second guide columns (7003) move in the guide holes (4003).
9. A one-way dog clutch according to claim 3, wherein: one end of the jaw clutch limiting baffle (6) close to the jaw clutch piston (7) is provided with an oil way structure (6001), an oil groove structure (6003) is arranged on the inner hole wall of the jaw clutch limiting baffle (6), the oil groove structure (6003) is communicated with an inner hole oil way (21) of the transmission shaft (2), and the oil way structure (6001) of the jaw clutch limiting baffle (6) is communicated with the oil groove structure (6003).
10. A one-way dog clutch according to claim 1, wherein: the first unidirectional tooth structure includes a first drive face (7006) and a first non-drive face (7005), and the second unidirectional tooth structure includes a second drive face (1102) and a second non-drive face (1101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120869902.4U CN214998962U (en) | 2021-04-26 | 2021-04-26 | One-way jaw clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120869902.4U CN214998962U (en) | 2021-04-26 | 2021-04-26 | One-way jaw clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214998962U true CN214998962U (en) | 2021-12-03 |
Family
ID=79092039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120869902.4U Active CN214998962U (en) | 2021-04-26 | 2021-04-26 | One-way jaw clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214998962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776503A (en) * | 2022-03-31 | 2022-07-22 | 东风汽车集团股份有限公司 | Engine system and vehicle |
-
2021
- 2021-04-26 CN CN202120869902.4U patent/CN214998962U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776503A (en) * | 2022-03-31 | 2022-07-22 | 东风汽车集团股份有限公司 | Engine system and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4732253A (en) | Power transmission | |
| US9140336B2 (en) | Multi-speed transmission | |
| CN214998962U (en) | One-way jaw clutch | |
| CN102105714A (en) | Front wheel drive automatic transmission with a selectable one-way clutch | |
| US20030075413A1 (en) | Hydraulically operated double clutch | |
| CN102562971A (en) | Speed-transformation device for electric automobile | |
| CN109236892B (en) | Spring plate type overload protection clutch structure and steering engine | |
| CN104019208A (en) | Speed change device with hydraulic control mechanism | |
| CN106763284A (en) | A kind of monoblock type clutch propeller boss transmission device | |
| CN204327809U (en) | Linking type double clutch | |
| CN103216544A (en) | Friction plate type overrunning clutch assembly | |
| CN211059247U (en) | Clutch retainer for automatic transmission | |
| CN212225970U (en) | Transfer case compact structure that shifts | |
| CN101943261B (en) | Hydraulic control system of dual-clutch automatic transmission | |
| CN212690716U (en) | Clutch mechanism for automatic transmission | |
| CN212616136U (en) | Overrunning clutch mechanism for automatic speed changer | |
| CN212429560U (en) | Compact clutch of shifting | |
| CN210889827U (en) | Mode-selectable clutch | |
| CN213064505U (en) | Automatic transmission | |
| CN215370872U (en) | Hydraulic gear shifting mechanism of automobile automatic transmission | |
| CN212202899U (en) | Symmetrical compact double-clutch module | |
| CN216895721U (en) | Gear sleeve gear shifting actuating mechanism of gearbox | |
| CN211371171U (en) | Two-gear speed variator with power takeoff | |
| CN111810552B (en) | Stepped n-gear wet clutch structure | |
| CN114294414B (en) | Two-speed gearbox with multimode clutch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 368, Longjin Road, Jingkai District, Changzhou City, Jiangsu Province, 213000 Patentee after: Kuntai vehicle system (Changzhou) Co.,Ltd. Address before: No. 368, Longjin Road, Jingkai District, Changzhou City, Jiangsu Province, 213000 Patentee before: KUNTYE VEHICLE SYSTEM (CHANGZHOU) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |