CN221300070U - Single-actuator multi-gear driving mechanism - Google Patents
Single-actuator multi-gear driving mechanism Download PDFInfo
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- CN221300070U CN221300070U CN202323267965.0U CN202323267965U CN221300070U CN 221300070 U CN221300070 U CN 221300070U CN 202323267965 U CN202323267965 U CN 202323267965U CN 221300070 U CN221300070 U CN 221300070U
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Abstract
A single-actuator multi-gear driving mechanism relates to the gearbox technology and is used for solving the technical problem that the existing multi-gear driving mechanism generally needs two power sources. In the single-actuator multi-gear driving mechanism, an actuator is connected with a pinion, and the pinion is meshed with a rack; the rack is provided with a first cylinder, a second cylinder and three positioning holes; the first cylinder respectively passes through the first pulley and the first special-shaped groove on the first guide plate, and the first pulley, the first special-shaped groove and the first guide plate are clamped together through the first clamp spring; the second cylinder respectively passes through the second pulley and a second special-shaped groove on the second guide plate, and the second pulley, the second special-shaped groove and the second guide plate are clamped together through a second clamp spring; the second guide plate is connected with a second shifting fork shaft, and the second shifting fork shaft are fixed together through a pin; the fixed pin passes through a first round hole on the first guide plate; the first shifting fork shaft passes through the first shifting fork; the first shifting fork is provided with a third cylinder, and the third cylinder passes through the waist-shaped groove on the first guide plate.
Description
Technical Field
The utility model relates to the technical field of gearboxes, in particular to a single-actuator multi-gear driving mechanism, and particularly relates to a driving mechanism with a single power source and at least three gears.
Background
Currently, in a gearbox in the prior art, a plurality of gears are usually controlled by two power sources, so that the cost is high and the occupied space is large.
For example, the prior art discloses an AMT selects operating device that shifts, it includes the casing, select and keep off the unit and shift the unit, it is provided with to select the gear shift axle to rotate on the casing, select to shift and slide on the gear shift axle and be provided with to select the gear shift shifting block, select and keep off the unit and keep off the driving gear including selecting to keep off the output fixedly connected with of power piece, select to keep off the driving gear and go up fixedly connected with swivel pin, swivel pin can drive to select the gear shift shifting block and select the epaxial axial displacement of gear shift, the gear shift unit includes the power piece that shifts, the output fixedly connected with of power piece that shifts the driving gear that shifts, select to shift epaxial fixedly connected with that shifts the driven gear that shifts, the driving gear that shifts meshes with the driven gear that shifts.
However, the present inventors found that the above-mentioned technical solution uses two power sources to control multiple gears, which results in high cost and large occupied space.
Disclosure of utility model
The utility model aims to provide a single-actuator multi-gear driving mechanism, which is used for solving the technical problem that the existing multi-gear driving mechanism usually needs two power sources; compared with the existing multi-gear driving mechanism, the multi-gear driving mechanism has the advantages that the cost is effectively reduced, and the occupied space is smaller.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A single actuator multi-gear drive mechanism comprising: the actuator is connected with a pinion and drives the pinion to rotate; the pinion is meshed with the rack and can drive the rack to move back and forth along the axial direction of the polish rod shaft;
The rack is provided with a first cylinder, a second cylinder and at least three positioning holes, and a ball plunger is arranged right below one positioning hole farthest from teeth on the rack; the first cylinder respectively passes through the first special-shaped grooves on the first pulley and the first guide plate, the first cylinder, the first pulley and the first guide plate are clamped together through a first clamp spring, and the first cylinder, the first pulley and the first guide plate can mutually rotate along the axis of the first cylinder;
The second cylinder respectively passes through a second special-shaped groove on the second pulley and the second guide plate, the second cylinder, the second pulley and the second guide plate are clamped together through a second clamp spring, and the second cylinder, the second pulley and the second guide plate can mutually rotate along the axis of the second cylinder;
The second guide plate is connected with a second shifting fork shaft, and the second shifting fork shaft are fixed together through a pin; the fixed pin passes through a first round hole on the first guide plate and limits the first guide plate so that the first guide plate can only rotate around the axis of the fixed pin;
The first shifting fork shaft passes through the first shifting fork, and the first shifting fork can axially move along the first shifting fork shaft; the first shifting fork is provided with a third cylinder, and the third cylinder penetrates through the waist-shaped groove on the first guide plate.
When in actual application, the initial state is a first gear; when the actuator drives the pinion to rotate, the pinion drives the rack to move along the axial direction of the polish rod shaft; the rack drives the first pulley and the second pulley to move along with the first pulley through the first cylinder and the second cylinder, the first pulley moves along the horizontal edge of the first special-shaped groove on the first guide plate, and the position of the first guide plate is unchanged; the second pulley pushes the inclined edge of the second special-shaped groove on the second guide plate to move so that the second guide plate, the second shifting fork shaft and the second shifting fork move together until the second pulley moves to the horizontal edge of the second special-shaped groove, and at the moment, the first pulley is kept on the horizontal edge of the first special-shaped groove, and the state is a second gear.
When the rack drives the first pulley and the second pulley to move continuously through the first cylinder and the second cylinder, the first pulley moves to the inclined edge of the first special-shaped groove on the first guide plate and pushes the first guide plate to rotate clockwise around the fixing pin, so that the waist-shaped groove on the first guide plate drives the first shifting fork to move along the first shifting fork shaft through the third cylinder, the second pulley moves along the horizontal edge of the second special-shaped groove on the second guide plate, and the position of the second guide plate is unchanged, and the state is a third gear.
Specifically, the rack is provided with three positioning holes, corresponds to a first gear, a second gear and a third gear respectively, and is positioned through the ball plunger.
Compared with the prior art, the single-actuator multi-gear driving mechanism has the following advantages:
In the single-actuator multi-gear driving mechanism provided by the utility model, the rollers push the special-shaped grooves to realize the control of a plurality of gears of a single power source, so that the cost is lower and the occupied space is smaller.
Drawings
FIG. 1 is a schematic diagram of a single-actuator multi-gear driving mechanism according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a first gear state in a single-actuator multi-gear driving mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a partial structure of a single-actuator multi-gear driving mechanism according to an embodiment of the present utility model;
fig. 4 is a schematic partial structure diagram of a first gear in a single-actuator multi-gear driving mechanism according to an embodiment of the present utility model.
Reference numerals:
1-an actuator; 2-pinion gear; 3-racks; 4-a light rod shaft;
51-a first cylinder; 52-a second cylinder; 53-a third cylinder; 6, positioning holes; 7-ball plunger;
81-a first pulley; 82-a second pulley; 91-a first guide plate; 92-a second guide plate; 101-a first special-shaped groove; 102-a second profiled groove; 111-a first clamp spring; 112-a second clamp spring;
121-a first shift shaft; 122-a second shift shaft; 131-a first fork; 132-second fork; 14-fixing pins;
151-a first round hole; 16-waist type groove.
Detailed Description
For easy understanding, the single-actuator multi-gear driving mechanism provided by the embodiment of the utility model is described in detail below with reference to the accompanying drawings.
An embodiment of the present utility model provides a single actuator multi-gear driving mechanism, as shown in fig. 1 to 4, including: the actuator 1, the actuator 1 is connected with the pinion 2, and the actuator 1 drives the pinion 2 to rotate; the pinion 2 is meshed with the rack 3 and can drive the rack 3 to move back and forth along the axial direction of the polish rod shaft 4;
The rack 3 is provided with a first cylinder 51, a second cylinder 52 and at least three positioning holes 6, and a ball plunger 7 is arranged right below one positioning hole 6 farthest from teeth on the rack 3; the first cylinder 51 passes through the first special-shaped groove 101 on the first pulley 81 and the first guide plate 91 respectively, the first cylinder 51, the first pulley 81 and the first guide plate 91 are clamped together through the first clamp spring 111, and the first cylinder 51, the first pulley 81 and the first guide plate 91 can mutually rotate along the axis of the first cylinder 51;
The second cylinder 52 respectively passes through the second pulley 82 and the second special-shaped groove 102 on the second guide plate 92, the second cylinder 52, the second pulley 82 and the second guide plate 92 are clamped together through the second clamp spring 112, and the second cylinder 52, the second pulley 82 and the second guide plate 92 can mutually rotate along the axis of the second cylinder 52;
The second guide plate 92 is connected to the second fork shaft 122, and the second fork 132 and the second fork shaft 122 are fixed together by a pin; the fixing pin 14 passes through the first circular hole 151 on the first guide plate 91 and restricts the first guide plate 91 so that the first guide plate 91 can rotate only about the axis of the fixing pin 14;
The first shifting fork shaft 121 passes through the first shifting fork 131, and the first shifting fork 131 can axially move along the first shifting fork shaft 121; the first fork 131 is provided with a third cylinder 53, and the third cylinder 53 passes through the waist-shaped groove 16 on the first guide plate 91.
Compared with the prior art, the single-actuator multi-gear driving mechanism provided by the embodiment of the utility model has the following advantages:
In the single-actuator multi-gear driving mechanism provided by the embodiment of the utility model, the rollers push the special-shaped grooves to realize the control of a plurality of gears of a single power source, so that the cost is lower and the occupied space is smaller.
In actual application, as shown in fig. 2, the initial state is a first gear; when the actuator 1 drives the pinion 2 to rotate, the pinion 2 drives the rack 3 to move rightwards along the axial direction of the polish rod shaft 4 (according to the illustrated orientation of fig. 1); the rack 3 drives the first pulley 81 and the second pulley 82 to move rightwards along with the first pulley 81 through the first cylinder 51 and the second cylinder 52, the first pulley 81 moves along the horizontal edge (a) of the first special-shaped groove 101 on the first guide plate 91, and the position of the first guide plate 91 is unchanged; the second pulley 82 pushes the hypotenuse (b) of the second profiled groove 102 on the second guide plate 92 downward to move the second guide plate 92, the second shift rail 122 and the second shift rail 132 downward together (in the illustrated orientation of fig. 1) until the second pulley 82 moves to the horizontal side (c) of the second profiled groove 102, at which time the first pulley 81 continues to remain in the horizontal side (a) of the first profiled groove 101, which is the second gear.
When the rack 3 drives the first pulley 81 and the second pulley 82 to move to the right through the first cylinder 51 and the second cylinder 52, the first pulley 81 moves to the bevel edge (d) of the first profiled groove 101 on the first guide plate 91, and pushes the first guide plate 91 to rotate clockwise around the fixing pin 14, so that the waist-shaped groove 16 on the first guide plate 91 drives the first fork 131 to move downwards along the first fork shaft 121 through the third cylinder 53, the second pulley 82 moves along the horizontal edge (c) of the second profiled groove 102 on the second guide plate 92, and the position of the second guide plate 92 is unchanged, which is the third gear.
Specifically, the rack 3 is provided with three positioning holes 6, and corresponds to the first gear, the second gear and the third gear, respectively, and is positioned by a ball plunger 7.
It should be noted that in the single-actuator multi-gear driving mechanism provided by the embodiment of the utility model, the moving part is a rack, and the rack drives the pulley to push the guide plate through the special-shaped groove, so that a single moving mode of the actuator is changed into a regular multiple moving mode;
the embodiment of the application is three gear control, and the shape of the special-shaped groove can be changed under the condition of unchanged large structure according to the requirement so as to perform more gear control;
According to the embodiment of the application, the pinion drives the rack to push the guide plate to move, the screw rod can be changed into rotation to drive the nut to linearly move according to the requirement, and the nut is used for pushing the guide plate to move;
According to the embodiment of the application, the first guide plate and the second guide plate are respectively pushed to move through the first cylinder and the second cylinder, the guide plates are respectively arranged on two sides of the rack, one cylinder can be changed to push the guide plates according to the requirement, and the guide plates are arranged on one side of the rack;
The embodiment of the application is that the moving piece, namely the rack drives the pulley, and the guide plate is pushed by the special-shaped groove, and the special-shaped groove can be arranged on the moving piece, and the pulley is arranged on the guide plate.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (4)
1. A single actuator multi-gear drive mechanism, comprising: the actuator is connected with a pinion and drives the pinion to rotate; the pinion is meshed with the rack and can drive the rack to move back and forth along the axial direction of the polish rod shaft;
The rack is provided with a first cylinder, a second cylinder and at least three positioning holes, and a ball plunger is arranged right below one positioning hole farthest from teeth on the rack; the first cylinder respectively passes through the first special-shaped grooves on the first pulley and the first guide plate, the first cylinder, the first pulley and the first guide plate are clamped together through a first clamp spring, and the first cylinder, the first pulley and the first guide plate can mutually rotate along the axis of the first cylinder;
The second cylinder respectively passes through a second special-shaped groove on the second pulley and the second guide plate, the second cylinder, the second pulley and the second guide plate are clamped together through a second clamp spring, and the second cylinder, the second pulley and the second guide plate can mutually rotate along the axis of the second cylinder;
The second guide plate is connected with a second shifting fork shaft, and the second shifting fork shaft are fixed together through a pin; the fixed pin passes through a first round hole on the first guide plate and limits the first guide plate so that the first guide plate can only rotate around the axis of the fixed pin;
The first shifting fork shaft passes through the first shifting fork, and the first shifting fork can axially move along the first shifting fork shaft; the first shifting fork is provided with a third cylinder, and the third cylinder penetrates through the waist-shaped groove on the first guide plate.
2. The single-actuator multi-gear drive mechanism of claim 1, wherein the initial state is a first gear; when the actuator drives the pinion to rotate, the pinion drives the rack to move along the axial direction of the polish rod shaft; the rack drives the first pulley and the second pulley to move along with the first pulley through the first cylinder and the second cylinder, the first pulley moves along the horizontal edge of the first special-shaped groove on the first guide plate, and the position of the first guide plate is unchanged; the second pulley pushes the inclined edge of the second special-shaped groove on the second guide plate to move so that the second guide plate, the second shifting fork shaft and the second shifting fork move together until the second pulley moves to the horizontal edge of the second special-shaped groove, and at the moment, the first pulley is kept on the horizontal edge of the first special-shaped groove, and the state is a second gear.
3. The single-actuator multi-gear drive mechanism according to claim 2, wherein when the rack gear moves the first pulley and the second pulley continuously through the first cylinder and the second cylinder, the first pulley moves to the inclined side of the first profiled groove on the first guide plate and pushes the first guide plate to rotate clockwise around the fixed pin, so that the waist-shaped groove on the first guide plate moves the first shift fork along the first shift fork shaft through the third cylinder, the second pulley moves along the horizontal side of the second profiled groove on the second guide plate, and the second guide plate position is unchanged, which is the third gear.
4. The single-actuator multi-gear drive mechanism according to claim 3, wherein the rack is provided with three positioning holes corresponding to the first gear, the second gear and the third gear, respectively, and positioned by the ball plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323267965.0U CN221300070U (en) | 2023-12-01 | 2023-12-01 | Single-actuator multi-gear driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323267965.0U CN221300070U (en) | 2023-12-01 | 2023-12-01 | Single-actuator multi-gear driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221300070U true CN221300070U (en) | 2024-07-09 |
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ID=91734852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323267965.0U Active CN221300070U (en) | 2023-12-01 | 2023-12-01 | Single-actuator multi-gear driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221300070U (en) |
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2023
- 2023-12-01 CN CN202323267965.0U patent/CN221300070U/en active Active
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