CN212297436U - Novel ball worm speed reducer - Google Patents
Novel ball worm speed reducer Download PDFInfo
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- CN212297436U CN212297436U CN202021160863.2U CN202021160863U CN212297436U CN 212297436 U CN212297436 U CN 212297436U CN 202021160863 U CN202021160863 U CN 202021160863U CN 212297436 U CN212297436 U CN 212297436U
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Abstract
The utility model provides a novel ball worm speed reducer, include: the worm gear is arranged on one side of the worm, the worm is sleeved inside the casing, and the worm freely rotates inside the casing. The utility model provides a novel ball worm speed reducer, ball, worm and worm wheel all adopt the wear-resisting material steel of high strength, and transmission strength and rigidity are bigger than traditional speed reducer, adopt the ball structure, and rolling friction drive mode has improved mechanical efficiency, adopts the ball structure, can bear bigger input rotational speed, and the use occasion is more extensive, adopts the ball structure, has also reduced the volume of speed reducer simultaneously, uses sun gear and planet wheel combination to slow down, and the speed reduction effect is better.
Description
Technical Field
The utility model relates to a speed reducer field especially relates to a novel ball worm speed reducer.
Background
The reducer is an independent part consisting of gear drive, worm drive and gear-worm drive which are enclosed in a rigid casing and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery. The speed reducer is generally used for low-speed and large-torque transmission equipment, and the purpose of reducing speed is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer.
The cam speed reducer in the prior art has the problems of high speed reduction cost and low strength, and the cylindrical worm and toroidal worm speed reducer in the prior art has the problems of low mechanical efficiency and short precision retention time.
Therefore, the prior art has yet to be developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a novel ball worm speed reducer for solving the problems existing in the prior art and having certain advantages.
To achieve the above and other related objects, the present invention provides a novel ball worm reducer, including: the worm gear comprises a shell, a worm and a worm wheel, wherein one side in the shell is sleeved with the worm, the worm freely rotates in the shell, a cavity is arranged in the worm, a key groove is arranged in the cavity, the rear section of the worm is provided with a sun wheel, a sun wheel shaft corresponds to the position of the worm shaft, a worm clamping groove is arranged in the rear section of the worm, the position of the worm clamping groove corresponds to the position of the sun wheel, teeth are arranged on the inner wall of the worm clamping groove, a planet wheel is externally meshed with the sun wheel and is meshed with the teeth on the inner wall of the worm clamping groove, a roller bearing is arranged in the hole of the planet wheel, a pin shaft is arranged in the roller bearing, a pinion is arranged on the sun wheel shaft, one end of the pinion is embedded in the sun wheel shaft, a coupler is fixed on the outer, the improved squirrel-cage mouse cage is characterized in that extension holes communicated with the cavity are further formed in two ends of the middle of the front section of the worm, a squirrel cage is arranged in the cavity, holes are formed in the squirrel cage and communicated with the extension holes of the squirrel cage to form a loop, a plurality of balls are arranged on thread teeth of the front section of the worm, a plurality of balls are also arranged in the squirrel cage, a worm wheel is arranged on one side of the worm, and the worm wheel is sleeved inside the shell and can freely rotate inside the shell.
In an embodiment of the present invention, the two ends of the worm are respectively a casing and a front cover, an eighth bearing is disposed between the worm and the front cover, and a sixth bearing is disposed between the worm and the casing.
In an embodiment of the present invention, the planet gear is rotatably disposed on the planet carrier, and a seventh bearing is disposed between the output shaft of the planet carrier and the worm.
In an embodiment of the present invention, a fifth bearing is disposed between the sun gear shaft and the worm, and a third oil seal is disposed between the sun gear shaft and the casing.
In an embodiment of the present invention, the two ends of the worm wheel are respectively provided with a first bottom plate and a second bottom plate, a first bearing and a first oil seal are arranged between the worm wheel and the first bottom plate, and a second bearing and a second oil seal are arranged between the worm wheel and the second bottom plate.
In an embodiment of the present invention, a retaining ring is disposed on one side of the squirrel cage close to the front cover.
In an embodiment of the present invention, the pinion and the shaft coupling are fixed by screws.
In an embodiment of the present invention, the first bottom plate is connected to the casing through a screw, and the second bottom plate is connected to the casing through a screw.
In an embodiment of the present invention, the casing surface is further provided with a plug.
As described above, the utility model discloses a novel ball worm speed reducer has following beneficial effect: the utility model provides a novel ball worm speed reducer, ball, worm and worm wheel all adopt the wear-resisting material steel of high strength, and transmission strength and rigidity are bigger than traditional speed reducer, adopt the ball structure, and rolling friction drive mode has improved mechanical efficiency, adopts the ball structure, can bear bigger input rotational speed, and the use occasion is more extensive, adopts the ball structure, has also reduced the volume of speed reducer simultaneously, uses sun gear and planet wheel combination to slow down, and the speed reduction effect is better.
Drawings
Fig. 1 is a perspective view of a novel ball worm reducer disclosed in an embodiment of the present invention.
Fig. 2 is a schematic side view of a novel ball worm reducer disclosed in an embodiment of the present invention.
Fig. 3 is a B-B cross-sectional view showing a side view of a novel ball worm reducer disclosed in an embodiment of the present invention.
Fig. 4 is a schematic front view of a worm and a part of a housing of a novel ball worm reducer disclosed in an embodiment of the present invention.
Fig. 5 is a cross-sectional view of a worm and a part of a housing of a novel ball worm reducer according to an embodiment of the present invention.
Fig. 6 is a B-B sectional view of a worm and a part of a housing of a novel ball worm reducer disclosed in an embodiment of the present invention.
Fig. 7 is a C-C sectional view of a worm and a part of a housing of a novel ball worm reducer disclosed in an embodiment of the present invention.
Fig. 8 is a schematic side view of the worm wheel, the first bottom plate and the second bottom plate of the novel ball worm speed reducer disclosed in the embodiment of the present invention.
Fig. 9 is a cross-sectional view of the worm wheel, the first bottom plate and the second bottom plate of the novel ball worm speed reducer according to an embodiment of the present invention.
Description of the element reference numerals
1 case
2 Worm
3 worm wheel
4 front cover
5 mouse cage
6 ball
7 check ring
8 first base plate
9 second base plate
11 sun gear
12 planet wheel
13 roller bearing
14 pin shaft
15 pinion
16 shaft coupling
21 first bearing
22 second bearing
25 fifth bearing
26 sixth bearing
27 seventh bearing
28 eighth bearing
31 first oil seal
32 second oil seal
33 third oil seal
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 9. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a novel ball worm reducer, including: the worm gear comprises a machine shell 1, a worm 2 and a worm wheel 3, wherein one side inside the machine shell 1 is sleeved with the worm 2, the worm 2 freely rotates inside the machine shell 1, a cavity is arranged inside the worm 2, a key groove is arranged in the cavity, the rear section of the worm 2 is provided with a sun wheel 11, the position of the sun wheel shaft corresponds to that of the worm shaft, the rear section of the worm 2 is provided with a worm clamping groove, the position of the worm clamping groove corresponds to that of the sun wheel 11, the inner wall of the worm clamping groove is provided with teeth, the sun wheel 11 is externally meshed with a planet wheel 12, the planet wheel 12 is meshed with the teeth on the inner wall of the worm clamping groove, a roller bearing is arranged in the planet wheel hole, a pin shaft 14 is arranged inside the roller bearing, the sun wheel shaft is provided with a pinion 15, one end of the pinion 15 is embedded into the, 2 anterior segments of worm are the hyperboloid body structure of single leaf, 2 anterior segment middle part both ends of worm still are equipped with the hole that extends that link up each other with the cavity, the inside squirrel cage 5 that is equipped with of cavity, the inside of squirrel cage 5 is equipped with the hole, and the hole that extends hole and squirrel cage 5 is mutually linked together, forms the return circuit, be equipped with a plurality of balls 6 on the thread tooth of 2 anterior segments of worm, 5 inside also are equipped with a plurality of balls 6 of squirrel cage, 2 one sides of worm are equipped with worm wheel 3, 3 covers of worm wheel are established inside casing 1, at the inside free rotation of casing 1.
Specifically, the two ends of the worm 2 are respectively the casing 1 and the front cover 4, an eighth bearing 28 is arranged between the worm 2 and the front cover 4, and a sixth bearing 26 is arranged between the worm 2 and the casing 1.
Specifically, the planet gear 12 is rotatably disposed on the planet carrier, and a seventh bearing 27 is disposed between the output shaft of the planet carrier and the worm 2.
Specifically, a fifth bearing 25 is arranged between the sun gear shaft and the worm 2, and a third oil seal 33 is arranged between the sun gear shaft and the machine shell 1.
Specifically, the both ends of worm wheel 3 are provided with first bottom plate 8 and second bottom plate 9 respectively, be equipped with first bearing 21 and first oil blanket 31 between worm wheel 3 and the first bottom plate 8, be equipped with second bearing 22 and second oil blanket 32 between worm wheel 3 and the second bottom plate 9.
Specifically, a retainer ring 7 is arranged on one side of the squirrel cage 5 close to the front cover 4.
Specifically, the pinion 15 and the coupling 16 are fixed by screws.
Specifically, the first bottom plate 8 is fixedly connected with the casing 1 through screws, and the second bottom plate 9 is fixedly connected with the casing 1 through screws.
Specifically, a plug is further arranged on the surface of the casing 1.
The utility model relates to a novel ball worm reducer, during the installation, pack worm wheel 3 into the machine incasement portion, pack seventh bearing 27 on planet carrier output shaft, pack sun gear 11 into in the middle of the worm draw-in groove, make the sun gear axle correspond with the worm axle position, coat a small amount of lubricating grease on planet gear hole inner wall, pack roller bearing into the planet gear hole, insert round pin axle 14 inside the roller bearing again, wherein, planet wheel 12 is equipped with 3, the roller bearing is equipped with 3, the round pin axle is equipped with 3, put the planet wheel 12 after the assembly into the worm draw-in groove, make planet wheel 12 and the tooth on the worm draw-in groove inner wall mesh, and mesh with sun gear 11, pack above-mentioned assembled worm 2 into casing 1, be equipped with sixth bearing 26 at the worm 2 rear end, the sun gear axle is equipped with fifth bearing 25, fifth bearing 25 oil blanket 33, and fix the third oil blanket through the screw, embedding one end of a pinion 15 into a sun wheel shaft, sleeving a coupling 16 at the other end of the pinion 15, installing a first bearing 21 and a first oil seal 31 on a first base plate 8, buckling one end of a worm wheel 3, fixing the first bearing on a machine shell 1 through screws, installing a second bearing 22 and a second oil seal 32 on a second base plate 9, buckling the other end of the worm wheel 3, fixing the second bearing on the machine shell 1 through screws, then filling balls 6, wherein the number of the balls 6 is calculated in advance, blocking extension holes in the worm 2 by using a jig to prevent the balls 6 from falling off, installing the balls 6 while rotating the worm 2 to enable the balls 6 to fill thread teeth on the outer wall of the worm 2 and the extension holes in the worm 2, then placing a squirrel cage 5 into a cavity, placing the calculated number of the balls 6 into the squirrel cage 5, installing a check ring 7 at one end of the squirrel cage 5 close to a front cover 4, and then, the eighth bearing 28 is arranged at the front end of the worm 2, the front cover 4 is arranged, and the plug is arranged, so that the installation is finished.
During specific implementation, the pinion 15 is connected with the input shaft, the input shaft drives the pinion 15 to rotate, the pinion 5 drives the sun gear 11 to rotate, speed reduction is achieved through combination of the sun gear 11 and the planet gear 12, the output shaft of the planet carrier outputs and drives the worm 2 to rotate, the reduced rotating speed is output, when the worm 2 rotates, the ball 6 rolls back and forth between a loop formed by the worm 2 and the squirrel cage 5, meanwhile, the worm wheel 3 is driven to rotate, and the worm wheel 3 outputs, so that a continuous or intermittent working cycle is completed.
To sum up, the utility model provides a novel ball worm speed reducer, ball, worm and worm wheel all adopt the wear-resisting material steel of high strength, and transmission strength and rigidity are bigger than traditional speed reducer, adopt the ball structure, and rolling friction drive mode has improved mechanical efficiency, adopts the ball structure, can bear bigger input speed, and the use occasion is more extensive, adopts the ball structure, has also reduced the volume of speed reducer simultaneously, uses sun gear and planet wheel combination to slow down, and the speed reduction effect is better.
Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a novel ball worm speed reducer which characterized in that: the worm gear comprises a machine shell (1), a worm (2) and a worm wheel (3), wherein the worm (2) is sleeved on one side inside the machine shell (1), the worm (2) freely rotates inside the machine shell (1), a cavity is arranged inside the worm (2), a key groove is formed in the cavity, a sun wheel (11) is arranged on the rear section of the worm (2), a sun wheel shaft corresponds to a worm shaft in position, a worm clamping groove is formed in the rear section of the worm (2), the worm clamping groove corresponds to the sun wheel (11), teeth are arranged on the inner wall of the worm clamping groove, a planet wheel (12) is meshed outside the sun wheel (11), the planet wheel (12) is meshed with the teeth on the inner wall of the worm clamping groove, a roller bearing (13) is arranged in a planet wheel hole, a pin shaft (14) is arranged inside the roller bearing (13), and a pinion (15) is, inside pinion (15) one end embedding sun gear axle, the other end outside of pinion (15) is fixed with shaft coupling (16), worm (2) anterior segment surface is equipped with the thread tooth, and worm (2) anterior segment is single-leaf hyperboloid body structure, worm (2) anterior segment middle part both ends still are equipped with the hole of extending that link up each other with the cavity, the inside squirrel cage (5) that is equipped with of cavity, the inside of squirrel cage (5) is equipped with the hole, and the hole that extends hole and squirrel cage (5) is interlinked, forms the return circuit, be equipped with a plurality of ball (6) on the thread tooth of worm (2) anterior segment, squirrel cage (5) inside also is equipped with a plurality of ball (6), worm (2) one side is equipped with worm wheel (3), worm wheel (3) cover is established inside casing (1), freely rotates inside casing (1).
2. The novel ball worm reducer according to claim 1, characterized in that: casing (1) and protecgulum (4) are respectively for the both ends of worm (2), be equipped with eighth bearing (28) between worm (2) and protecgulum (4), be equipped with sixth bearing (26) between worm (2) and casing (1).
3. The novel ball worm reducer according to claim 1, characterized in that: the planet wheel (12) is rotatably arranged on the planet carrier, and a seventh bearing (27) is arranged between the output shaft of the planet carrier and the worm (2).
4. The novel ball worm reducer according to claim 1, characterized in that: and a fifth bearing (25) is arranged between the sun wheel shaft and the worm (2), and a third oil seal (33) is arranged between the sun wheel shaft and the machine shell (1).
5. The novel ball worm reducer according to claim 1, characterized in that: the two ends of the worm wheel (3) are respectively provided with a first bottom plate (8) and a second bottom plate (9), a first bearing (21) and a first oil seal (31) are arranged between the worm wheel (3) and the first bottom plate (8), and a second bearing (22) and a second oil seal (32) are arranged between the worm wheel (3) and the second bottom plate (9).
6. The novel ball worm reducer according to claim 1, characterized in that: and a retainer ring (7) is arranged on one side of the squirrel cage (5) close to the front cover (4).
7. The novel ball worm reducer according to claim 1, characterized in that: the pinion (15) and the coupler (16) are fixed through screws.
8. The novel ball worm reducer according to claim 5, characterized in that: the first bottom plate (8) is fixedly connected with the machine shell (1) through screws, and the second bottom plate (9) is fixedly connected with the machine shell (1) through screws.
9. The novel ball worm reducer according to claim 1, characterized in that: and a plug is further arranged on the surface of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160863.2U CN212297436U (en) | 2020-06-19 | 2020-06-19 | Novel ball worm speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160863.2U CN212297436U (en) | 2020-06-19 | 2020-06-19 | Novel ball worm speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212297436U true CN212297436U (en) | 2021-01-05 |
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ID=73942746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021160863.2U Active CN212297436U (en) | 2020-06-19 | 2020-06-19 | Novel ball worm speed reducer |
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| Country | Link |
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| CN (1) | CN212297436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819194A (en) * | 2020-06-19 | 2021-12-21 | 上海联紫能源科技有限公司 | Novel ball worm speed reducer |
| CN114263707A (en) * | 2021-10-12 | 2022-04-01 | 西华大学 | Highly integrated robot joint reducer and joint device |
-
2020
- 2020-06-19 CN CN202021160863.2U patent/CN212297436U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819194A (en) * | 2020-06-19 | 2021-12-21 | 上海联紫能源科技有限公司 | Novel ball worm speed reducer |
| CN113819194B (en) * | 2020-06-19 | 2024-06-14 | 上海联紫能源科技有限公司 | Novel ball worm speed reducer |
| CN114263707A (en) * | 2021-10-12 | 2022-04-01 | 西华大学 | Highly integrated robot joint reducer and joint device |
| CN114263707B (en) * | 2021-10-12 | 2023-04-28 | 西华大学 | Highly integrated robot joint reducer and joint device |
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