CN220118597U - Speed regulating speed reducer - Google Patents
Speed regulating speed reducer Download PDFInfo
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- CN220118597U CN220118597U CN202321629330.8U CN202321629330U CN220118597U CN 220118597 U CN220118597 U CN 220118597U CN 202321629330 U CN202321629330 U CN 202321629330U CN 220118597 U CN220118597 U CN 220118597U
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 title description 11
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides a speed regulation speed reducer, and belongs to the technical field of speed reducers; the speed reducer comprises: the device comprises a box body, an input shaft, a movable seat, a connecting groove, a screw rod, a shifting fork, a first gear, a second gear, an intermediate shaft, a third gear, a fourth gear and an output shaft; the shifting fork drives the movable seat to move along the input shaft, so that the first gear is meshed with the third gear or the second gear is meshed with the fourth gear, and the input shaft can drive the intermediate shaft to rotate through the first gear and the third gear or the input shaft can drive the intermediate shaft to rotate through the second gear and the fourth gear. The transmission ratio of the first gear to the third gear is different from the transmission ratio of the second gear to the fourth gear, so that the transmission mode of the input shaft and the intermediate shaft is changed, the rotation speed of the intermediate shaft can be adjusted on the premise that the rotation speed of the input shaft is unchanged, the rotation speed of the output shaft is adjusted, and the output rotation speed of the speed reducer is adjusted.
Description
Technical Field
The utility model belongs to the technical field of speed reducers, and particularly relates to a speed regulating speed reducer.
Background
In the related art, a driving device and a load device are connected together through a decelerator to increase an output torque and decrease an output rotation speed. Because the transmission ratio in the speed reducer is mostly fixed, the output rotating shaft of the speed reducer is unchanged under the condition that the input rotating speed of the speed reducer is unchanged, so that the applicability of products is reduced.
Disclosure of Invention
In order to solve the problem that most of transmission ratios in the speed reducer in the prior art are fixed, so that an output rotating shaft of the speed reducer is unchanged under the condition that the input rotating speed of the speed reducer is unchanged, and the applicability of products is reduced, the utility model provides the speed-regulating speed reducer which adopts a shifting fork to drive a movable seat to move along an input shaft, so that a first gear is meshed with a third gear or a second gear is meshed with a fourth gear, the transmission mode of the input shaft and an intermediate shaft is changed, the rotating speed of the intermediate shaft can be adjusted, the rotating speed of an output shaft is adjusted, the output rotating speed of the speed reducer is adjusted, and the applicability of the products is improved. The specific technical scheme is as follows:
a speed reducer, the speed reducer comprising: the device comprises a box body, an input shaft, a movable seat, a connecting groove, a screw rod, a shifting fork, a first gear, a second gear, an intermediate shaft, a third gear, a fourth gear and an output shaft; the outer wall of the input shaft is provided with a spline, the input shaft is embedded into the box body, one end of the input shaft is positioned at the outer side of the box body, and the input shaft is rotationally connected with the box body; a spline hole is arranged in the movable seat, and the movable seat is sleeved on the outer side of a spline of the input shaft; the connecting groove is arranged on the outer wall of the movable seat; the outer wall of the screw rod is provided with external threads, the screw rod is embedded into the box body, and the screw rod is rotationally connected with the box body; an internal thread is arranged in the shifting fork, the shifting fork is sleeved on the outer side of the screw rod, and at least part of the shifting fork is embedded in the connecting groove; the first gear is sleeved on the outer side of the movable seat, and the first gear is positioned on one side of the connecting groove; the second gear is sleeved on the outer side of the movable seat, and the second gear is positioned on the other side of the connecting groove; the intermediate shaft is embedded into the box body and is rotationally connected with the box body; the third gear is sleeved on the outer side of the intermediate shaft and meshed with the first gear; the fourth gear is sleeved on the outer side of the intermediate shaft and meshed with the second gear; at least part of the output shaft is embedded into the box body, two ends of the output shaft are positioned at the outer side of the box body, the output shaft is rotationally connected with the box body, and the output shaft is connected with the intermediate shaft; wherein, the external screw thread is adapted with the internal screw thread.
In addition, the speed regulating speed reducer in the technical scheme provided by the utility model can also have the following additional technical characteristics:
in the above technical scheme, the speed regulating speed reducer further comprises: a fifth gear and a sixth gear; the fifth gear is sleeved on the outer side of the intermediate shaft; the sixth gear is sleeved on the outer side of the output shaft, and the sixth gear is meshed with the fifth gear.
In the above technical scheme, the speed regulating speed reducer further comprises: a motor frame and a motor; the motor frame is fixed on the side wall of the box body; the motor is fixed on the motor frame, and the motor is connected with the input shaft.
In the above technical scheme, the speed regulating speed reducer further comprises: a light bar; the smooth rod is embedded into the box body, two ends of the smooth rod are connected with the box body, and the smooth rod penetrates through the shifting fork.
In the above technical scheme, the speed regulating speed reducer further comprises: a hand wheel; the hand wheel suit is in the outside of lead screw, and the hand wheel is located the outside of box.
In the above technical scheme, the speed regulating speed reducer further comprises: a mounting groove; the two mounting grooves are arranged at the two ends of the output shaft.
Compared with the prior art, the speed regulating speed reducer has the beneficial effects that:
1. through rotating the lead screw, and embedding the shifting fork into the connecting groove on the outer wall of the movable seat, when the lead screw drives the shifting fork to move, the shifting fork drives the movable seat to move along the input shaft, so that the first gear is meshed with the third gear or the second gear is meshed with the fourth gear, and the input shaft can drive the intermediate shaft to rotate through the first gear and the third gear or the input shaft can drive the intermediate shaft to rotate through the second gear and the fourth gear. Because the transmission ratio of the first gear to the third gear is different from the transmission ratio of the second gear to the fourth gear, the transmission mode of the input shaft and the intermediate shaft is changed, and the rotation speed of the intermediate shaft can be adjusted on the premise that the rotation speed of the input shaft is unchanged, so that the rotation speed of the output shaft is adjusted, the output rotation speed of the speed reducer is adjusted, and the applicability of products is improved.
2. The fifth gear is sleeved on the outer side of the intermediate shaft, the sixth gear is sleeved on the outer side of the output shaft, and the sixth gear is meshed with the fifth gear, so that when the intermediate shaft rotates, the intermediate shaft drives the output shaft to rotate through the fifth gear and the sixth gear.
3. The motor frame is fixed on the side wall of the box body, and the motor is fixed on the motor frame, so that the motor frame supports the motor, and the stability of the motor is improved. The motor is connected with the input shaft so as to drive the input shaft to rotate, thereby realizing the input of power.
4. Through passing the smooth rod through the shifting fork to realize that the shifting fork moves along the smooth rod, thereby avoid the shifting fork to take place the skew when moving, with the stability that promotes the shifting fork and remove, and then ensure that the shifting fork can drive the removal seat and remove.
5. Through the outside with the hand wheel suit at the lead screw to make the hand wheel be located the outside of box, in order to realize driving the lead screw rotation through the hand wheel, thereby reduce the degree of difficulty of rotating the lead screw, in order to promote the use experience of product.
6. Through setting up two mounting grooves at the both ends of output shaft to realize that the output shaft is connected with load device through the mounting groove, thereby promote the use experience of product.
Drawings
FIG. 1 is one of the cross-sectional views of a speed reducer of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a second cross-sectional view of a speed reducer according to the present utility model;
wherein, the correspondence between the reference numerals and the component names in fig. 1 to 3 is:
the device comprises a box body 10, an input shaft 11, a spline 12, a movable seat 13, a connecting groove 14, a lead screw 15, a shifting fork 16, a first gear 17, a second gear 18, an intermediate shaft 19, a third gear 20, a fourth gear 21, an output shaft 22, a fifth gear 23, a sixth gear 24, a motor frame 25, a motor 26, a lever 27, a hand wheel 28 and a mounting groove 29.
Detailed Description
The utility model will be further described with reference to specific embodiments and figures 1-3, but the utility model is not limited to these embodiments.
As shown in fig. 1 to 3, the speed reducer includes: the box body 10, the input shaft 11, the movable seat 13, the connecting groove 14, the lead screw 15, the shifting fork 16, the first gear 17, the second gear 18, the intermediate shaft 19, the third gear 20, the fourth gear 21 and the output shaft 22; the spline 12 is arranged on the outer wall of the input shaft 11, the input shaft 11 is embedded into the box body 10, one end of the input shaft 11 is positioned on the outer side of the box body 10, and the input shaft 11 is rotationally connected with the box body 10; a spline 12 hole is formed in the movable seat 13, and the movable seat 13 is sleeved on the outer side of the spline 12 of the input shaft 11; the connecting groove 14 is arranged on the outer wall of the movable seat 13; the outer wall of the screw rod 15 is provided with external threads, the screw rod 15 is embedded into the box body 10, and the screw rod 15 is rotationally connected with the box body 10; an internal thread is arranged in the shifting fork 16, the shifting fork 16 is sleeved on the outer side of the lead screw 15, and at least part of the shifting fork 16 is embedded in the connecting groove 14; the first gear 17 is sleeved on the outer side of the movable seat 13, and the first gear 17 is positioned on one side of the connecting groove 14; the second gear 18 is sleeved on the outer side of the movable seat 13, and the second gear 18 is positioned on the other side of the connecting groove 14; the intermediate shaft 19 is embedded in the box body 10, and the intermediate shaft 19 is rotatably connected with the box body 10; the third gear 20 is sleeved on the outer side of the intermediate shaft 19, and the third gear 20 is meshed with the first gear 17; the fourth gear 21 is sleeved on the outer side of the intermediate shaft 19, and the fourth gear 21 is meshed with the second gear 18; at least part of the output shaft 22 is embedded into the box body 10, two ends of the output shaft 22 are positioned on the outer side of the box body 10, the output shaft 22 is rotationally connected with the box body 10, and the output shaft 22 is connected with the intermediate shaft 19; wherein, the external screw thread is adapted with the internal screw thread.
The input shaft 11 is embedded into the box body 10, the input shaft 11 is rotatably connected with the box body 10, and one end of the input shaft 11 is positioned on the outer side of the box body 10, so that the box body 10 supports the input shaft 11, and the input shaft 11 can rotate in the box body 10. Through set up spline 12 hole in remove seat 13 to with remove seat 13 suit in the outside of the spline 12 of input shaft 11, with realizing that input shaft 11 and remove seat 13 looks joint, thereby guarantee to remove seat 13 and can remove along input shaft 11, simultaneously, can also make input shaft 11 drive and remove seat 13 rotation. The screw rod 15 is embedded into the box body 10, and the screw rod 15 is rotatably connected with the box body 10, so that the box body 10 supports the screw rod 15, and the screw rod 15 can rotate in the box body 10. The shifting fork 16 is sleeved on the outer side of the lead screw 15, and the internal threads in the shifting fork 16 are matched with the external threads on the outer wall of the lead screw 15, so that the shifting fork 16 is in threaded connection with the lead screw 15, and when the lead screw 15 rotates, the lead screw 15 drives the shifting fork 16 to move in the box 10; by arranging the connecting groove 14 on the outer wall of the movable seat 13 and embedding at least part of the shifting fork 16 into the connecting groove 14, the shifting fork 16 can be embedded into the movable seat 13, so that when the screw rod 15 can drive the shifting fork 16 to move, the shifting fork 16 can drive the movable seat 13 to move along the input shaft 11. The first gear 17 is sleeved on the outer side of the movable seat 13, and the second gear 18 is sleeved on the outer side of the movable seat 13, so that the first gear 17, the second gear 18 and the movable seat 13 synchronously move and synchronously rotate. The intermediate shaft 19 is embedded into the box body 10, and the intermediate shaft 19 is rotatably connected with the box body 10, so that the box body 10 supports the intermediate shaft 19, and the intermediate shaft 19 can rotate in the box body 10; the third gear 20 is sleeved on the outer side of the intermediate shaft 19, and the fourth gear 21 is sleeved on the outer side of the intermediate shaft 19, so that the intermediate shaft 19, the third gear 20 and the fourth gear 21 synchronously rotate; by meshing the third gear 20 with the first gear 17 and the fourth gear 21 with the second gear 18, it is achieved that when the first gear 17 meshes with the third gear 20, the input shaft 11 drives the intermediate shaft 19 to rotate through the first gear 17 and the third gear 20, and when the second gear 18 meshes with the fourth gear 21, the input shaft 11 drives the intermediate shaft 19 to rotate through the second gear 18 and the fourth gear 21. The output shaft 22 is embedded into the box body 10, the output shaft 22 is rotatably connected with the box body 10, and two ends of the output shaft 22 are positioned outside the box body 10, so that the box body 10 supports the output shaft 22, and the output shaft 22 can rotate in the box body 10, so that power output is realized through the two ends of the output shaft 22; the output shaft 22 is rotatable by connecting the output shaft 22 with the intermediate shaft 19 to enable the intermediate shaft 19 to rotate.
When the product is specifically used, the driving device is connected with one end of the input shaft 11, and the load device is connected with one end of the output shaft 22; then, the lead screw 15 is rotated, so that the lead screw 15 drives the shifting fork 16 to move, and the shifting fork 16 drives the movable seat 13 to move, so that the first gear 17 is meshed with the third gear 20; then, starting a driving device, so that the driving device drives the input shaft 11 to rotate, the input shaft 11 drives the intermediate shaft 19 to rotate through the first gear 17 and the third gear 20, and the intermediate shaft 19 drives the output shaft 22 to rotate, so that the load device is driven to operate, and further the power output is realized; when the output rotation speed of the output shaft 22 needs to be regulated, the driving device is stopped firstly, and then the lead screw 15 is rotated, so that the lead screw 15 drives the movable seat 13 to move through the shifting fork 16, and the second gear 18 is meshed with the fourth gear 21; then, the driving device is started, so that the driving device drives the input shaft 11 to rotate, the input shaft 11 drives the intermediate shaft 19 to rotate through the second gear 18 and the fourth gear 21, and the intermediate shaft 19 drives the output shaft 22 to rotate, so that the load device is driven to operate, and further power output is realized.
By adopting the structure, when the lead screw 15 drives the shifting fork 16 to move, the shifting fork 16 drives the moving seat 13 to move along the input shaft 11 by rotating the lead screw 15 and embedding the shifting fork 16 into the connecting groove 14 on the outer wall of the moving seat 13, so that the first gear 17 is meshed with the third gear 20 or the second gear 18 is meshed with the fourth gear 21, and the input shaft 11 can drive the intermediate shaft 19 to rotate through the first gear 17 and the third gear 20 or the input shaft 11 can drive the intermediate shaft 19 to rotate through the second gear 18 and the fourth gear 21. Since the transmission ratio of the first gear 17 to the third gear 20 is different from the transmission ratio of the second gear 18 to the fourth gear 21, the transmission mode of the input shaft 11 to the intermediate shaft 19 is changed, and the rotation speed of the intermediate shaft 19 can be adjusted on the premise that the rotation speed of the input shaft 11 is unchanged, so that the rotation speed of the output shaft 22 is adjusted, and the output rotation speed of the speed reducer is adjusted.
Specifically, the first connection key is embedded in both the first gear 17 and the moving seat 13; the second connection key is embedded in both the second gear 18 and the mobile seat 13.
In an embodiment of the present utility model, as shown in fig. 1 to 3, the speed reducer further includes: a fifth gear 23 and a sixth gear 24; the fifth gear 23 is sleeved on the outer side of the intermediate shaft 19; the sixth gear 24 is sleeved on the outer side of the output shaft 22, and the sixth gear 24 is meshed with the fifth gear 23.
By sleeving the fifth gear 23 on the outer side of the intermediate shaft 19, sleeving the sixth gear 24 on the outer side of the output shaft 22, and meshing the sixth gear 24 with the fifth gear 23, the intermediate shaft 19 drives the output shaft 22 to rotate through the fifth gear 23 and the sixth gear 24 when the intermediate shaft 19 rotates.
In an embodiment of the present utility model, as shown in fig. 1 to 3, the speed reducer further includes: a motor frame 25 and a motor 26; the motor frame 25 is fixed on the side wall of the case 10; the motor 26 is fixed to the motor frame 25, and the motor 26 is connected to the input shaft 11.
The motor frame 25 is fixed on the side wall of the box body 10, and the motor 26 is fixed on the motor frame 25, so that the motor frame 25 supports the motor 26, and the stability of the motor 26 is improved. The motor 26 is connected with the input shaft 11 to realize that the motor 26 drives the input shaft 11 to rotate, so that power is input.
In an embodiment of the present utility model, as shown in fig. 1 to 3, the speed reducer further includes: a feed bar 27; the feed lever 27 is inserted into the case 10, both ends of the feed lever 27 are connected to the case 10, and the feed lever 27 passes through the fork 16.
The light bar 27 is embedded into the box body 10, and two ends of the light bar 27 are connected with the box body 10, so that the box body 10 supports the light bar 27; through passing the smooth rod 27 through the shifting fork 16, the shifting fork 16 moves along the smooth rod 27, so that the shifting fork 16 is prevented from shifting during movement, the stability of the shifting fork 16 is improved, and the shifting fork 16 is ensured to drive the movable seat 13 to move.
In an embodiment of the present utility model, as shown in fig. 1 to 3, the speed reducer further includes: a hand wheel 28; the hand wheel 28 is sleeved on the outer side of the screw rod 15, and the hand wheel 28 is positioned on the outer side of the box body 10.
Through the outside with hand wheel 28 suit at lead screw 15 to make hand wheel 28 be located the outside of box 10, in order to realize driving lead screw 15 rotation through hand wheel 28, thereby reduce the degree of difficulty of rotating lead screw 15, in order to promote the use experience of product.
In an embodiment of the present utility model, as shown in fig. 1 to 3, the speed reducer further includes: a mounting groove 29; two mounting grooves 29 are provided at both ends of the output shaft 22.
Through setting up two mounting grooves 29 at the both ends of output shaft 22 to realize that output shaft 22 is connected with load device through mounting groove 29, thereby promote the use experience of product.
In the description of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A speed reducer, characterized in that it comprises:
a case;
the input shaft is provided with a spline on the outer wall and embedded into the box body, one end of the input shaft is positioned at the outer side of the box body, and the input shaft is rotationally connected with the box body;
the movable seat is internally provided with a spline hole, and is sleeved on the outer side of a spline of the input shaft;
the connecting groove is arranged on the outer wall of the movable seat;
the outer wall of the screw rod is provided with external threads, the screw rod is embedded into the box body, and the screw rod is rotationally connected with the box body;
the shifting fork is internally provided with an internal thread, is sleeved on the outer side of the screw rod and at least part of the shifting fork is embedded into the connecting groove;
the first gear is sleeved on the outer side of the movable seat, and is positioned on one side of the connecting groove;
the second gear is sleeved on the outer side of the movable seat, and the second gear is positioned on the other side of the connecting groove;
the intermediate shaft is embedded into the box body and is rotationally connected with the box body;
the third gear is sleeved on the outer side of the intermediate shaft and meshed with the first gear;
the fourth gear is sleeved on the outer side of the intermediate shaft and meshed with the second gear;
the output shaft is at least partially embedded into the box body, two ends of the output shaft are positioned at the outer side of the box body, the output shaft is rotationally connected with the box body, and the output shaft is connected with the intermediate shaft;
wherein the external thread is adapted to the internal thread.
2. The speed reducer of claim 1, further comprising:
the fifth gear is sleeved on the outer side of the intermediate shaft;
and the sixth gear is sleeved on the outer side of the output shaft and meshed with the fifth gear.
3. The speed reducer of claim 2, further comprising:
the motor frame is fixed on the side wall of the box body;
and the motor is fixed on the motor frame and is connected with the input shaft.
4. The speed reducer of claim 1, further comprising:
the feed lever is embedded into the box body, two ends of the feed lever are connected with the box body, and the feed lever penetrates through the shifting fork.
5. The speed reducer of claim 4, further comprising:
the hand wheel is sleeved on the outer side of the screw rod, and the hand wheel is positioned on the outer side of the box body.
6. The speed reducer of claim 5, further comprising:
and the two mounting grooves are arranged at two ends of the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321629330.8U CN220118597U (en) | 2023-06-26 | 2023-06-26 | Speed regulating speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321629330.8U CN220118597U (en) | 2023-06-26 | 2023-06-26 | Speed regulating speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118597U true CN220118597U (en) | 2023-12-01 |
Family
ID=88895709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321629330.8U Active CN220118597U (en) | 2023-06-26 | 2023-06-26 | Speed regulating speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118597U (en) |
-
2023
- 2023-06-26 CN CN202321629330.8U patent/CN220118597U/en active Active
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