CN213776305U - Planetary gear speed reducer - Google Patents
Planetary gear speed reducer Download PDFInfo
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- CN213776305U CN213776305U CN202022736486.9U CN202022736486U CN213776305U CN 213776305 U CN213776305 U CN 213776305U CN 202022736486 U CN202022736486 U CN 202022736486U CN 213776305 U CN213776305 U CN 213776305U
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- speed reducer
- planetary gear
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- lateral wall
- connecting rod
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Abstract
The utility model discloses a planetary gear speed reducer belongs to the speed reducer field, including the speed reducer main part, the bottom welding of speed reducer main part has the sealing washer, the lateral wall gap junction of sealing washer has the rubber sleeve, the speed reducer base is installed to the bottom of speed reducer main part, circular slot and rubber sleeve are located the inside wall of circular slot have been seted up at the top of speed reducer base, the welding of the lateral wall left side of speed reducer base has the connecting rod, the connecting rod has two sets of lateral wall right sides that are the symmetry and install at the speed reducer base, the slider is installed to the other end of connecting rod. The utility model discloses a mutually supporting of speed reducer main part, sealing washer, rubber sleeve, screw hole A, speed reducer base screw hole B and circular slot to can improve the leakproofness of speed reducer and avoid the lubricating oil seepage, mutually supporting of rethread loading plate, buffer spring, slider, spout and connecting rod, thereby can increase the buffering shock attenuation nature of speed reducer, be fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a speed reducer technical field especially relates to a planetary gear speed reducer.
Background
The speed reducer reduces the number of revolutions of the motor to the required number of revolutions and obtains a large torque, so the speed reducer is widely applied.
The existing speed reducer comprises a shell and a speed reduction transmission gear set, wherein the speed reduction transmission gear set is arranged in the shell and comprises a gear ring, a sun gear, a planet carrier and a plurality of planetary gears, the planet carrier is provided with a transmission shaft, the transmission shaft protrudes out of the shell, the planetary gears are arranged at the planet carrier and are respectively meshed with the gear ring and the sun gear, the sun gear is provided with an input end, and the input end is connected with a motor.
Although the above structure can reduce the number of revolutions of the motor and increase the torque, if the number of the reduction transmission gear sets is to be increased, the conventional speed reducer has a disadvantage in use because the conventional speed reducer has to be redesigned and manufactured.
Patent number CN201721790152 discloses a planetary gear speed reducer, has solved current speed reducer if increase the quantity of speed reduction drive gear group, the problem that the shell structure and the speed reduction drive gear group of current speed reducer all must redesign and make, and its technical scheme main points are: the motor-driven speed reducer comprises a motor and at least one speed reducing assembly, wherein the speed reducing assembly comprises a shell and a speed reducing gear set arranged in the shell; the reduction gear set comprises an inner gear ring, a sun gear and at least one planetary gear, wherein the sun gear and the at least one planetary gear are coaxially arranged with the inner gear ring; the sun gear is coaxially provided with an input shaft which is rotationally connected with the shell, and one side of the inner gear ring, which is back to the input shaft, is provided with an output shaft which protrudes out of the shell; the clamping components which realize the fixed connection of the adjacent shells in a clamping mode are arranged between the adjacent speed reducing components, and the effect of changing the transmission ratio of the speed reducing transmission gear set in the speed reducer is achieved.
At present, the technology has certain defects: 1. the poor sealing performance of the speed reducer causes the lubricating oil in the speed reducer to easily leak, so that the service life of the speed reducer is influenced; 2. the poor buffering and damping performance of the speed reducer causes the speed reducer to easily generate resonance to damage a planetary gear in the speed reducer.
SUMMERY OF THE UTILITY MODEL
The utility model provides a planetary gear speed reducer is through mutually supporting of speed reducer main part, sealing washer, rubber sleeve, screw hole A, speed reducer base, screw hole B and circular slot to can improve the leakproofness of speed reducer and avoid the lubricating oil seepage, mutually supporting of rethread loading plate, buffer spring, slider, spout and connecting rod, thereby can increase the buffering shock attenuation nature of speed reducer, can effectively solve the problem in the background art.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of planetary gear speed reducer, including the speed reducer main part, the bottom welding of speed reducer main part has the sealing washer, the lateral wall gap junction of sealing washer has the rubber sleeve, the speed reducer base is installed to the bottom of speed reducer main part, circular slot and the inside wall that the rubber sleeve is located the circular slot have been seted up at the top of speed reducer base, the welding of the lateral wall left side of speed reducer base has the connecting rod, the connecting rod has two sets of lateral wall right sides that are the symmetry and install at the speed reducer base, the slider is installed to the other end of connecting rod, the loading board is installed to the lateral wall of slider, the spout has been seted up to the lateral wall of loading board, buffer spring and buffer spring's the other end and slider are connected to the inside wall of spout.
Optionally, the outer side wall of the speed reducer main body is provided with a threaded hole B.
Optionally, the outer side wall of the speed reducer base is provided with a threaded hole a.
Optionally, the threaded holes a and the threaded holes B are a plurality of groups and are symmetrical to each other.
Optionally, the size of the circular groove is slightly smaller than that of the rubber sleeve.
The utility model has the advantages as follows:
1. the utility model discloses it is practical, convenient operation and excellent in use effect, the sealing washer is installed to the bottom of speed reducer main part, the sealing washer is the ring form, the lateral wall gap junction of sealing washer has the rubber sleeve, screw hole B has been seted up to the lateral wall of speed reducer main part, the circular slot has been seted up at the top of speed reducer base, the size of rubber sleeve slightly is greater than the circular slot, thereby make in inserting the circular slot with the rubber sleeve and circular slot interference fit, thereby can seal the circular slot, screw hole A has been seted up to the lateral wall of speed reducer base, screw hole A is the same with screw hole B symmetry and size each other, thereby connect respectively in screw hole A and screw hole B through outside bolt, thereby can be connected speed reducer main part and speed reducer base, the leakproofness that improves.
2. The utility model discloses in, the spout of a set of symmetry is seted up on the lateral wall left side and the right side of loading board, buffer spring is installed to the inside wall bottom of spout, buffer spring's the other end is connected with the slider, the connecting rod is installed to the lateral wall of slider, install the speed reducer base between the connecting rod, after loading board is fixed, when the speed reducer takes place vibrations, buffer spring can effectually reduce vibrations, because spring buffer spring load range is wide, the user of being convenient for selects, natural frequency is low, the vibration isolation is effectual, and compact structure, overall dimension is less, the installation is changed conveniently, safe and reliable in utilization, long service life, strong adaptability to the operational environment, to positive vibration isolation, negative vibration isolation, the isolation of shock vibration and solid transaudient all has obvious effect, thereby can avoid producing resonance damage planetary gear.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a planetary gear reducer according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a speed reducer base of a planetary gear speed reducer according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a main body of a planetary gear reducer according to an embodiment of the present invention;
fig. 4 is a schematic view of a sliding groove structure of a planetary gear speed reducer according to an embodiment of the present invention.
In the figure: 1. a reducer body; 2. a loading plate; 3. a reducer base; 4. a slider; 5. a threaded hole A; 6. a circular groove; 7. a connecting rod; 8. a threaded hole B; 9. a seal ring; 10. a rubber sleeve; 11. chute, 12, buffer spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A planetary gear reducer according to an embodiment of the present invention will be described in detail below with reference to fig. 1 to 4.
As shown in fig. 1-4, a planetary gear reducer comprises a reducer body 1, a seal ring 9 is welded at the bottom of the reducer body 1, the outer side wall gap of the sealing ring 9 is connected with a rubber sleeve 10, the bottom of the speed reducer main body 1 is provided with a speed reducer base 3, the top of the speed reducer base 3 is provided with a circular groove 6, the rubber sleeve 10 is positioned on the inner side wall of the circular groove 6, the left side of the outer side wall of the speed reducer base 3 is welded with two groups of connecting rods 7, the two groups of connecting rods 7 are symmetrically arranged on the right side of the outer side wall of the speed reducer base 3, the other end of the connecting rod 7 is provided with a slide block 4, the outer side wall of the slide block 4 is provided with a loading plate 2, the outer side wall of the loading plate 2 is provided with a sliding groove 11, the inner side wall of the sliding groove 11 is provided with a buffer spring 12, and the other end of the buffer spring 12 is connected with the sliding block 4. The speed reducer body 1, the seal ring 9, the rubber sleeve 10, the threaded hole A5, the speed reducer base 3, the threaded hole B8 and the circular groove 6 are mutually matched, so that the sealing performance of the speed reducer can be improved, and the lubricating oil leakage can be avoided.
In this embodiment, as shown in fig. 3, a screw hole B8 is opened in an outer wall of the reducer body 1. Wherein, the bolt connection is convenient.
In this embodiment, as shown in fig. 2, a threaded hole a5 is formed in an outer side wall of the reducer base 3. Wherein, conveniently carry out fastening connection with the bolt.
In the embodiment, as shown in fig. 2-3, the threaded holes a5 and the threaded holes B8 are in several groups, and the threaded holes a5 and the threaded holes B8 are symmetrical to each other. Wherein, conveniently be connected speed reducer base 3 and speed reducer main part 1.
In this embodiment, as shown in fig. 2 to 3, the size of the circular groove 6 is slightly smaller than that of the rubber sleeve 10. Wherein the circular groove 6 and the rubber sleeve 10 can be connected in an interference manner.
It should be noted that, the utility model relates to a planetary gear reducer, in operation, sealing washer 9 is installed at the bottom of reducer main body 1, sealing washer 9 is circular ring, the lateral wall clearance of sealing washer 9 is connected with rubber sleeve 10, screw hole B8 is opened at the lateral wall of reducer main body 1, circular groove 6 is opened at the top of reducer base 3, the size of rubber sleeve 10 is slightly bigger than circular groove 6, thereby rubber sleeve 10 is inserted into circular groove 6 to be interference fit with circular groove 6, thereby circular groove 6 can be sealed, screw hole A5 is opened at the lateral wall of reducer base 3, screw hole A5 and screw hole B8 are mutually symmetrical and the same size, thereby connect respectively in screw hole A5 and screw hole B8 through external bolt, thereby can connect reducer main body 1 and reducer base 3, improve the leakproofness of reducer and avoid lubricating oil leakage, the left side and the right side of the outer side wall of the loading plate 2 are provided with a set of symmetrical sliding grooves 11, the bottom of the inner side wall of each sliding groove 11 is provided with a buffer spring 12, the other end of each buffer spring 12 is connected with a sliding block 4, the outer side wall of each sliding block 4 is provided with a connecting rod 7, a speed reducer base 3 is installed between every two connecting rods 7, when the loading plate 2 is fixed, a speed reducer vibrates, the buffer springs 12 can effectively reduce vibration, the spring buffer 12 is wide in spring load range, convenient for users to select, low in natural frequency, good in vibration isolation effect, compact in structure, small in overall dimension, convenient to install and replace, safe and reliable to use, long in service life, strong in adaptability to the working environment, and has obvious effects on positive vibration isolation, impact vibration and solid sound transmission isolation, and accordingly, and damage to a planetary gear caused by resonance can be avoided.
The utility model discloses a planetary gear reducer 1, speed reducer main part; 2. a loading plate; 3. a reducer base; 4. a slider; 5. a threaded hole A; 6. a circular groove; 7. a connecting rod; 8. a threaded hole B; 9. a seal ring; 10. a rubber sleeve; 11. the runners, 12, and the damping spring assembly are all standard or known to those skilled in the art, and their construction and principle are known to those skilled in the art through technical manuals or through routine experimentation.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a planetary gear speed reducer, includes speed reducer main part (1), its characterized in that, the bottom welding of speed reducer main part (1) has sealing washer (9), the lateral wall gap connection of sealing washer (9) has rubber sleeve (10), speed reducer base (3) are installed to the bottom of speed reducer main part (1), circular slot (6) and rubber sleeve (10) are seted up at the top of speed reducer base (3) and are located the inside wall of circular slot (6), the welding of the lateral wall left side of speed reducer base (3) has connecting rod (7), connecting rod (7) have two sets to be the symmetry and install on the lateral wall right side of speed reducer base (3), slider (4) are installed to the other end of connecting rod (7), loading plate (2) are installed to the lateral wall of slider (4), spout (11) have been seted up to the lateral wall of loading plate (2), the inside wall of spout (11) is installed buffer spring (12) and buffer spring (12)'s the other end and is connected with slider (4).
2. The planetary gear reducer according to claim 1, wherein a threaded hole B (8) is formed in an outer side wall of the reducer body (1).
3. The planetary gear reducer according to claim 1, wherein the outer side wall of the reducer base (3) is provided with a threaded hole A (5).
4. A planetary gear reducer according to claim 3, wherein the threaded holes a (5) and the threaded holes B (8) are in groups and the threaded holes a (5) and the threaded holes B (8) are symmetrical to each other.
5. A planetary gear reducer according to claim 1, wherein the size of the circular groove (6) is slightly smaller than the size of the rubber sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022736486.9U CN213776305U (en) | 2020-11-23 | 2020-11-23 | Planetary gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022736486.9U CN213776305U (en) | 2020-11-23 | 2020-11-23 | Planetary gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213776305U true CN213776305U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022736486.9U Active CN213776305U (en) | 2020-11-23 | 2020-11-23 | Planetary gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213776305U (en) |
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2020
- 2020-11-23 CN CN202022736486.9U patent/CN213776305U/en active Active
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