CN110748580A - Forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism - Google Patents
Forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism Download PDFInfo
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- CN110748580A CN110748580A CN201911155258.8A CN201911155258A CN110748580A CN 110748580 A CN110748580 A CN 110748580A CN 201911155258 A CN201911155258 A CN 201911155258A CN 110748580 A CN110748580 A CN 110748580A
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- inclined plane
- driven shaft
- locking
- locking mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism which comprises a driving shaft, a driven shaft and a fixed shell, wherein a locking groove is formed in the end face of the driven shaft, a combination tooth is arranged on the end face of the driving shaft and is positioned in the locking groove, the fixed shell is sleeved at the matching position of the driving shaft and the driven shaft, a locking mechanism is arranged in the locking groove, the locking mechanism is far away from the inner wall of the fixed shell in the normal transmission matching of the driving shaft and the driven shaft in the forward and reverse transmission processes of the driving shaft and the driven shaft, and the locking mechanism is pressed on the inner wall of the fixed shell in the reverse rotation process of the driven shaft so that the driven shaft. The invention achieves the function of forward transmission, bidirectional driving and reverse transmission, unidirectional locking through the improvement of the matching part of the driving shaft and the driven shaft, and has the advantages of low cost, compact structure, small occupied space and small difficulty in spatial layout.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism.
Background
When the motor vehicle stops or starts on an uphill road section, a component force which is parallel to the downhill surface, namely the resistance of the uphill surface, is generated due to the weight of the motor vehicle, and the resistance can lead the motor vehicle to slide backwards along the uphill surface, so that the situation is extremely unsafe. For a manual gear motor vehicle, a driver needs to make coordination among a parking brake, a clutch and an accelerator pedal when going up a slope, but the series of operation processes are complicated and difficult to master, and the operation processes are difficult for a driver to drive, so that the inherent problem becomes a significant defect of an MT vehicle, and meanwhile, due to the inherent characteristics of the AMT vehicle, the hill start control of the AMT vehicle is difficult, and the great defect of the hill start of the AMT vehicle hinders the popularization and the use of the AMT vehicle. For a vehicle equipped with an Automatic Transmission (AT) and a Continuously Variable Transmission (CVT), the vehicle also needs to have a function of preventing a vehicle from sliding down a slope, and the addition of the function of preventing the vehicle from sliding down a slope in the transmission results in a complex structure of the transmission, high cost and great research and development difficulty.
Based on the above problems, a forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism is needed to realize unidirectional locking of reverse transmission and bidirectional drive of forward transmission.
Disclosure of Invention
In view of the above, the present invention provides a forward-transmission bidirectional-driving reverse-transmission unidirectional locking mechanism, in which a solid housing and a rolling element are disposed at a matching position of a driving shaft and a driven shaft, when a reverse-transmission driven shaft rotates in a reverse direction, the rolling element presses an inner circle of a fixed housing to lock the driven shaft and the fixed housing, and in the forward-transmission driven shaft rotates in the forward direction and the forward-transmission driving shaft rotates in a bidirectional direction, the rolling element contracts in a groove body, so that the driving shaft and the driven shaft realize power transmission.
The invention discloses a forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism, which comprises a driving shaft, a driven shaft and a fixed shell, wherein a locking groove is formed in the end face of the driven shaft, a combination tooth is arranged on the end face of the driving shaft, the combination tooth is positioned in the locking groove to realize transmission matching of the driving shaft and the driven shaft, the fixed shell is sleeved at the matching position of the driving shaft and the driven shaft, a locking mechanism is arranged in the locking groove, the locking mechanism is at least in two states of being far away from the inner wall of the fixed shell and being pressed on the inner wall of the fixed shell, the locking mechanism is far away from the inner wall of the fixed shell to be in normal transmission matching with the driven shaft in the forward and reverse rotation processes of the forward-transmission driving shaft and the reverse-transmission.
Furthermore, the locking mechanism is a rolling body, the locking groove is provided with a locking inclined plane, and in the process of reversing the reverse transmission driven shaft, the rolling body rolls upwards along the locking inclined plane against the rotation direction and presses the inner wall of the fixed shell so that the driven shaft and the fixed shell are locked.
Furthermore, the locking groove is also provided with a transmission inclined plane which forms an included angle with the locking inclined plane, the rolling body is positioned in a groove formed by the locking inclined plane and the transmission inclined plane, the locking inclined plane is positioned on the forward rotating side of the transmission inclined plane, the rolling body falls on the groove bottom formed by the locking inclined plane and the transmission inclined plane in the process of forward rotation of the reverse transmission driven shaft, and the gradient of the transmission inclined plane is greater than that of the locking inclined plane, so that the rolling body does not roll upwards along the transmission inclined plane against the rotating direction in the process of forward.
Furthermore, the locking groove still has the tooth chamber with combining the tooth adaptation, the tooth chamber is located the positive rotation side on transmission inclined plane, combine the tooth to be located the tooth intracavity, combine tooth to be close to rolling element one side and have towards the inboard pressure inclined plane of driving shaft, when positive drive shaft reversal or the corotation of reverse drive driven shaft, combine the tooth relative rolling element to be close to and press the inclined plane inwards to press in the rolling element and make the rolling element keep away from fixed shells inner wall.
Furthermore, an elastic element is arranged on the transmission inclined surface, and the elastic element has elastic force which presses the rolling element and enables the rolling element to roll upwards along the locking inclined surface.
Furthermore, the combination terminal surface of driving shaft is connected with initiative driving disk, the driven shaft combines the terminal surface to be connected with driven driving disk, combine the protruding on initiative driving disk of tooth, the locking groove is seted up on driven driving disk.
Furthermore, one end, far away from the driving shaft, of the fixed shell is provided with a limiting flange protruding inwards in the radial direction, and the limiting flange and the driving transmission disc abut against two sides in the axial direction of the rolling body to limit the rolling body in the axial direction.
Further, the fixed shell is of a circular ring structure.
Further, the tooth cavity groove bottom is of an arc structure, the radially inner side of the combination tooth is of an inner arc structure matched with the tooth cavity groove bottom, and the radially outer side of the combination tooth is of an outer arc structure matched with the inner circle of the fixed shell.
Furthermore, a plurality of one-to-one matched combination teeth and locking grooves are distributed on the circumferential direction of the combination end of the driving shaft and the driven shaft.
The invention has the beneficial effects that:
the invention achieves the function of forward transmission, bidirectional drive and reverse transmission, one-way locking through the improvement of the matching part of the driving shaft and the driven shaft, realizes the function of slope slipping prevention without improving a gearbox or matching a plurality of one-way clutches, greatly simplifies the structure for realizing the function of slope slipping prevention, and has the advantages of low manufacturing cost and maintenance cost, compact structure, small occupied space and small space layout difficulty;
when the invention is applied to a vehicle, when the vehicle runs forwards, power is transmitted to the driving shaft, and the driving shaft drives the driven shaft to rotate, thereby transmitting the power; after the vehicle is parked on an uphill slope, the vehicle has a backward sliding trend, at the moment, the driven shaft has a reverse rotation trend, and the locking mechanism is driven to be close to the inner wall of the fixed shell to lock the driven shaft, so that backward sliding is prevented, a slope parking function is realized, and uphill starting is assisted; when the vehicle is reversed, the driving shaft reversely rotates to drive the driven shaft to reversely rotate so as to realize power transmission; when the vehicle speed is higher than the engine speed, the driven shaft positively and reversely drags the driving shaft to rotate in an accelerating way; the braking function of the engine is kept when the gear is engaged, and the function of pushing a cart or a trailer to move forwards can be realized when the gear is neutral.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic diagram of an explosive structure according to the present invention;
FIG. 2 is a schematic view of the assembly structure of the present invention;
FIG. 3 is a schematic radial cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of the elastic member mounting structure;
FIG. 5 is a schematic view of a forward driving shaft;
FIG. 6 is a schematic view of a reverse rotation structure of a reverse drive driven shaft;
FIG. 7 is a schematic view of a reverse rotation structure of a forward drive shaft;
FIG. 8 is a schematic view of a forward rotation structure of a reverse drive driven shaft;
Detailed Description
As shown in the figure, the one-way locking mechanism of positive transmission two-way drive reverse transmission in this embodiment, including driving shaft 1, driven shaft 2 and fixed casing 3, the driven shaft terminal surface is opened there is locking groove 4, and the driving shaft terminal surface has combination tooth 5, combines the tooth to be located the locking inslot and realizes the transmission cooperation of driving shaft and driven shaft, and fixed casing overlaps in driving shaft and driven shaft cooperation department, the locking inslot is provided with locking mechanism, and locking mechanism has at least and keeps away from fixed shells inner wall and presses in two states of fixed shells inner wall, and locking mechanism keeps away from fixed shells inner wall driving shaft and the normal transmission cooperation of driven shaft at positive and negative transmission driven shaft corotation in-process, and in the reversal transmission driven shaft reversal process, locking mechanism presses and makes driven shaft and fixed shells lock in fixed shells inner wall.
As shown in the attached drawings, in the present embodiment, the forward rotation is clockwise rotation, the reverse rotation is counterclockwise rotation, the forward rotation side means being located on the clockwise side, and the reverse rotation side means being located on the counterclockwise side; the forward transmission means that the driving shaft drives the driven shaft to rotate, and the reverse transmission means that the driven shaft reversely drags the driving shaft;
the locking groove is arranged at the outer circle of the driven shaft, a plurality of locking grooves can be arranged to form a structure similar to an outer spline groove, the fixed shell is provided with a circular inner cavity, in the actual installation process, the fixed shell is fixed on the frame or other parts, when the reverse transmission driven shaft rotates reversely, the locking mechanism moves towards the inner side of the fixed shell and is pressed on the inner wall of the fixed shell to block the driven shaft through the driving of the driven shaft or the centrifugal force action, so that the driven shaft and the fixed shell are locked and can not rotate, in the process of forward rotation of the reverse transmission driven shaft and forward rotation or reverse rotation of the forward transmission driving shaft, the locking mechanism automatically falls at a position far away from the inner circle of the fixed shell through centrifugal acting force or can be driven to be far away from the inner circle of the fixed shell through the combined teeth, namely, the locking mechanism is ensured not to interfere with the inner wall of the fixed shell, and the normal power transmission of the driving shaft and the driven shaft is ensured; this structure reaches the one-way locking function of forward drive two-way drive reverse drive through the improvement of the cooperation department of driving shaft and driven shaft, need not to realize preventing swift current slope function through improving the gearbox or cooperating a plurality of one way clutch, has simplified the structure of realizing preventing swift current slope function greatly, and low in manufacturing cost and maintenance cost, compact structure, occupation space is little, and the spatial layout degree of difficulty is little.
When the device is applied to a vehicle, when the vehicle runs forwards, power is transmitted to the driving shaft, and the driving shaft drives the driven shaft to rotate so as to transmit the power; after the vehicle is parked on an uphill slope, the vehicle has a backward sliding trend, at the moment, the driven shaft has a reverse rotation trend, and the locking mechanism is driven to be close to the inner wall of the fixed shell to lock the driven shaft, so that backward sliding is prevented, a slope parking function is realized, and uphill starting is assisted; when the vehicle is reversed, the driving shaft reversely rotates to drive the driven shaft to reversely rotate so as to realize power transmission; when the vehicle speed is higher than the engine speed, the driven shaft positively and reversely drags the driving shaft to rotate in an accelerating way; the braking function of the engine is kept when the gear is engaged, and the function of pushing a cart or a trailer to move forwards can be realized when the gear is neutral.
In this embodiment, the locking mechanism is a rolling body 6, the locking groove has a locking inclined surface 4a, and in the process of reversing the reverse transmission driven shaft, the rolling body rolls upwards along the locking inclined surface against the rotation direction and presses on the inner wall of the fixed shell so that the driven shaft and the fixed shell are locked. The rolling body can adopt rolling structures such as balls or rollers, the rolling body of the embodiment preferably adopts a roller structure, the contact area between the rolling body and the driven shaft and the fixed shell is increased through the rollers, the locking effect is improved, as shown in figure 3, the slope of the locking inclined plane 4a is smaller, the specific slope is determined according to the actual use working condition, the rolling body can roll upwards along the locking inclined plane against the rotating direction in the anticlockwise rotating process of the reverse transmission driven shaft, the distance between the uppermost edge of the locking inclined plane and the inner circle of the fixed shell is smaller than the diameter of the rolling body, so that the rolling body is tightly pressed against the inner circle of the shell in the upwards rolling process along the locking inclined plane, when the driven shaft rotates in the initial stage, the rolling body can roll along the locking inclined plane by utilizing the inertia of the rolling body to realize locking, easy to manufacture and assemble, and low in manufacturing cost and maintenance cost.
In this embodiment, the locking groove further has a transmission inclined plane 4b arranged at an included angle with the locking inclined plane, the rolling element is located in a groove formed by the locking inclined plane and the transmission inclined plane, the locking inclined plane is located on a forward rotation side of the transmission inclined plane, the rolling element falls on a groove bottom formed by the locking inclined plane and the transmission inclined plane in the process of forward rotation of the reverse transmission driven shaft, and the gradient of the transmission inclined plane is greater than that of the locking inclined plane, so that the rolling element does not roll upwards along the transmission inclined plane against the rotation direction in the process of forward. As shown in fig. 3, the transmission inclined plane and the locking inclined plane form a V-shaped groove structure, and an arc structure can be arranged at the bottom of the groove body formed by the transmission inclined plane and the locking inclined plane to improve the stress concentration phenomenon, wherein the transmission inclined plane can be overlapped with the radial direction passing the upper edge of the transmission inclined plane or approximately overlapped with a smaller included angle, so that the gradient of the transmission inclined plane is larger, as shown in fig. 5, when the driving shaft drives the driven shaft to rotate in the forward direction, the rolling body rolls downwards along the locking inclined plane until the groove bottom leans against the transmission inclined plane and cannot roll upwards along the transmission inclined plane, and at the moment; as shown in fig. 3, an included angle between the locking inclined plane and the radial direction passing the locking inclined plane is large, a specific included angle is determined according to actual working conditions, that is, the slope of the locking inclined plane is ensured to be small, and in the process of reversing the reverse transmission driven shaft, as shown in fig. 6, the rolling body rolls upwards along the locking inclined plane from the lowest point against the rotation direction and is pressed on the inner circle of the fixed shell to form locking;
in this embodiment, the locking groove further has a tooth cavity 4c adapted to the coupling tooth, the tooth cavity is located on the forward rotation side of the transmission inclined surface 4b, the coupling tooth is located in the tooth cavity, one side of the coupling tooth close to the rolling element has a pressure inclined surface 5a facing the inner side of the driving shaft, and when the forward transmission driving shaft rotates reversely or the reverse transmission driven shaft rotates forwardly, the coupling tooth is close to the rolling element and presses the inclined surface to press inwards the rolling element, so that the rolling element is far away from the inner wall of the fixed housing. As shown in fig. 3, the length of the tooth cavity 4c in the circumferential direction is greater than the length of the coupling tooth, so that the coupling tooth can rotate in the circumferential direction in the tooth cavity, the side wall of the tooth cavity on the forward transmission side approximately coincides with the radial direction of the driven shaft, so as to provide better support and limit for the coupling tooth, the gradient of the transmission inclined plane is determined according to the actual working conditions, when the coupling tooth rotates towards the rolling body side, the transmission inclined plane presses on the rolling body and has a radially inward component to press the rolling body to the lower side of the V-shaped groove, as shown in fig. 7, in the reverse rotation process of the forward transmission driving shaft, the driving shaft drives the coupling tooth to rotate towards the side close to the rolling body, the pressing inclined plane presses on the rolling body to press the V-shaped groove bottom, so that the rolling body is far away from the inner wall of the fixed housing, as shown in fig. 8, in the forward rotation process of the reverse transmission driven, keeping the rolling body away from the inner wall of the fixed shell;
in this embodiment, the transmission slope 4b is provided with an elastic member 7 having an elastic force that presses the rolling body and causes the rolling body to roll upward along the locking slope. The elastic element can be directly connected with the transmission inclined plane, or an installation groove is arranged on the transmission inclined plane, an elastic body is arranged in the installation groove, so that the elastic element can be pressed and retracted into the installation groove, the elastic element can be an elastic structure such as a cylindrical spiral spring, a disc spring or a reed, and the like, as shown in a combined figure 4, the transmission inclined plane is approximately vertically provided with the installation groove, a pressure head is slidably arranged in the installation groove, the pressure head is connected with the bottom of the installation groove through the cylindrical spiral spring, the pressure head presses the rolling element through the spring, auxiliary force is provided for the rolling element in the reverse rotation process of the reverse transmission driven shaft, so that the rolling element is pressed on the inner wall of the fixed shell, through adjusting the elastic force of the elastic element, in the process that the driving shaft drives the driven shaft to rotate forwards, the rolling element has a tendency of rotating, details are not described herein;
in this embodiment, the combination terminal surface of driving shaft is connected with initiative driving disk 8, the driven shaft combines the terminal surface to be connected with driven driving disk 9, combine the protruding on initiative driving disk of tooth, the locking groove is seted up on driven driving disk. The driving transmission disc and the driven transmission disc can be disc bodies connected to the shaft end through bolts, and can also be integrally formed with the shaft, namely disc body structures formed by radially and outwards protruding from the shaft end; the preferred initiative driving disk of this embodiment and driven driving disk and transmission shaft integrated into one piece are in order to improve transmission torque, through the setting of initiative driving disk and driven driving disk, the locking groove of being convenient for and combining arranging of tooth, and the transmission cooperation of easy driving shaft and driven shaft.
In this embodiment, one end of the fixed casing, which is radially far away from the driving shaft, is provided with a limiting flange 3a which protrudes radially inwards, and the limiting flange and the driving transmission disc abut against two axial sides of the rolling element to limit the rolling element axially. The axial direction and the radial direction of the structure both take the axial direction and the radial direction of the driving shaft or the driven shaft as reference, and the structure forms a cavity for mounting the rolling body through the limiting flange and the driving transmission disc, so that the positioning and the mounting of the rolling body are facilitated.
In this embodiment, the fixed housing is a circular ring structure. The fixed shell is of a circular ring structure, the material consumption is low, the strength is high, when the rolling body is pressed on the inner wall of the fixed shell, the circular ring structure enables the fixed shell to deform less, sufficient support can be provided for the rolling body, and the locking performance is improved.
In this embodiment, the bottom of the tooth chamber is of an arc structure, the radially inner side of the combination tooth is of an inner arc structure matched with the bottom of the tooth chamber, and the radially outer side of the combination tooth is of an outer arc structure matched with the inner circle of the fixed shell. As shown in the combined figure 3, the arc structures of the tooth cavity and the combined tooth are beneficial to mutual rotation of the tooth cavity and the combined tooth, interference is reduced, clearance fit is formed between the inner arc of the combined tooth and the bottom of the tooth cavity, clearance fit is also formed between the outer arc of the combined tooth and the inner circle of the fixed shell, contact abrasion between the inner arc of the combined tooth and the fixed shell is prevented, and the service life is prolonged.
In this embodiment, a plurality of one-to-one matching coupling teeth and locking grooves are circumferentially distributed at the coupling end of the driving shaft 1 and the driven shaft 2. As shown in the attached drawing, four coupling teeth are uniformly distributed in the circumferential direction on the driving transmission disc at the coupling end of the driving shaft, four locking grooves matched with the coupling teeth one by one are uniformly distributed in the circumferential direction on the driven transmission disc at the coupling end of the driven shaft, the transmission torque of the driving shaft and the driven shaft is improved and the locking effect is improved through the matching of the plurality of coupling teeth and the locking grooves, the locking grooves and the coupling teeth are preferentially and centrally symmetrically distributed to improve the stress of the coupling end, and the number of the locking grooves and the coupling teeth can be adjusted according to the actual transmission working condition, which is not described in detail;
finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides a one-way locking mechanism of two-way drive reverse transmission is just passed which characterized in that: including driving shaft, driven shaft and fixed casing, the driven shaft terminal surface is opened there is the locking groove, and the driving shaft terminal surface has the combination tooth, combines the tooth to be located the locking inslot and realizes the transmission cooperation of driving shaft and driven shaft, and fixed casing cover is in driving shaft and driven shaft cooperation department, the locking inslot is provided with locking mechanism, and locking mechanism has at least and keeps away from fixed shells inner wall and presses in two states of fixed shells inner wall, keeps away from fixed shells inner wall driving shaft and the normal transmission cooperation of driven shaft at positive and negative transmission driving shaft positive and negative transmission driven shaft corotation in-process locking mechanism, and in the reverse transmission driven shaft reversal in-process, locking mechanism presses and makes driven shaft and fixed casing lock in fixed shells inner wall.
2. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 1, characterized in that: the locking mechanism is a rolling body, the locking groove is provided with a locking inclined plane, and in the process of reversing the reverse transmission driven shaft, the rolling body rolls upwards along the locking inclined plane against the rotating direction and presses the inner wall of the fixed shell to lock the driven shaft and the fixed shell.
3. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 2, characterized in that: the locking groove is also provided with a transmission inclined plane which forms an included angle with the locking inclined plane, the rolling body is positioned in a groove formed by the locking inclined plane and the transmission inclined plane, the locking inclined plane is positioned on the forward rotating side of the transmission inclined plane, the rolling body falls on the groove bottom formed by the locking inclined plane and the transmission inclined plane in the process of forward rotation of the reverse transmission driven shaft, and the gradient of the transmission inclined plane is greater than that of the locking inclined plane, so that the rolling body does not roll upwards along the transmission inclined plane against the rotating direction in the process of.
4. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 3, characterized in that: the locking groove is further provided with a tooth cavity matched with the combination teeth, the tooth cavity is located on the forward rotating side of the transmission inclined plane, the combination teeth are located in the tooth cavity, one side, close to the rolling body, of the combination teeth is provided with a pressure inclined plane facing the inner side of the driving shaft, and when the forward transmission driving shaft rotates reversely or the reverse transmission driven shaft rotates forwardly, the combination teeth are close to the rolling body relatively, the pressure inclined plane presses inwards on the rolling body, so that the rolling body is far away from the inner wall of the fixed shell.
5. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 3, characterized in that: the transmission inclined plane is provided with an elastic element which has elastic force pressing on the rolling element and enabling the rolling element to roll upwards along the locking inclined plane.
6. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 2, characterized in that: the combination terminal surface of driving shaft is connected with initiative driving disk, the driven shaft combines the terminal surface to be connected with driven driving disk, combine the tooth protruding on initiative driving disk, the locking groove is seted up on driven driving disk.
7. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 6, characterized in that: one end of the fixed shell, which is radially far away from the driving shaft, is provided with a limiting flange which protrudes inwards, and the limiting flange and the driving transmission disc are abutted to two axial sides of the rolling body to limit the rolling body axially.
8. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 4, characterized in that: the fixed shell is of a circular ring structure.
9. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 8, characterized in that: the tooth chamber tank bottom is the circular arc structure, the combination tooth radial inboard is the interior circular arc structure with tooth chamber tank bottom adaptation, the combination tooth radial outside is the outer circular arc structure with the interior circular phase adaptation of fixed casing.
10. The forward drive bidirectional drive reverse drive unidirectional locking mechanism of claim 4, characterized in that: and a plurality of one-to-one matched combination teeth and locking grooves are distributed at the circumferential direction of the combination end of the driving shaft and the driven shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911155258.8A CN110748580A (en) | 2019-11-22 | 2019-11-22 | Forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911155258.8A CN110748580A (en) | 2019-11-22 | 2019-11-22 | Forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism |
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| CN110748580A true CN110748580A (en) | 2020-02-04 |
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| CN201911155258.8A Pending CN110748580A (en) | 2019-11-22 | 2019-11-22 | Forward-transmission bidirectional-drive reverse-transmission unidirectional locking mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069958A (en) * | 2021-10-28 | 2022-02-18 | 上海机电工程研究所 | Reverse self-locking servo electric cylinder and transmitting device thereof |
| CN114321314A (en) * | 2021-12-31 | 2022-04-12 | 哈尔滨工业大学 | Irreversible transmission mechanism |
| CN115284172A (en) * | 2022-08-05 | 2022-11-04 | 常熟希那基汽车零件有限公司 | Copying inner diameter grinding clamp for flanged motor shaft |
-
2019
- 2019-11-22 CN CN201911155258.8A patent/CN110748580A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069958A (en) * | 2021-10-28 | 2022-02-18 | 上海机电工程研究所 | Reverse self-locking servo electric cylinder and transmitting device thereof |
| CN114321314A (en) * | 2021-12-31 | 2022-04-12 | 哈尔滨工业大学 | Irreversible transmission mechanism |
| CN115284172A (en) * | 2022-08-05 | 2022-11-04 | 常熟希那基汽车零件有限公司 | Copying inner diameter grinding clamp for flanged motor shaft |
| CN115284172B (en) * | 2022-08-05 | 2023-11-14 | 常熟希那基汽车零件有限公司 | Profiling inner diameter grinding clamp for flanged motor shaft |
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