CN215763075U - Gear box of grease gun - Google Patents
Gear box of grease gun Download PDFInfo
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- CN215763075U CN215763075U CN202022984718.2U CN202022984718U CN215763075U CN 215763075 U CN215763075 U CN 215763075U CN 202022984718 U CN202022984718 U CN 202022984718U CN 215763075 U CN215763075 U CN 215763075U
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- gear
- ring
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- box
- planet carrier
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- 239000004519 grease Substances 0.000 title claims abstract description 26
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model provides a gear box of grease gun, which comprises a motor, a case body, the gear assembly, the apparatus further comprises a rotating shaft, rotatory piece and eccentric block, the gear assembly is installed in the box, the output of motor penetrates in the box and is connected with the input of gear assembly, the output and the pivot fixed connection of gear assembly, the pivot wear out the box and with rotatory piece fixed connection, eccentric block fixed connection deviates from the one end of pivot on rotatory piece, the box is open-top's tubular structure, the gear assembly includes sets gradually the first planetary gear set in the box by lower supreme coaxial line, second planetary gear set and third planetary gear set. The utility model can effectively reduce the rotating speed of the rotating shaft through three-stage speed reduction of the first planetary gear set, the second planetary gear set and the third planetary gear set, thereby reducing the vibration and the noise.
Description
Technical Field
The utility model relates to the technical field of grease guns, in particular to a gearbox of a grease gun.
Background
The grease gun is a tool for filling lubricating grease into mechanical equipment and comprises a manual grease gun, a pneumatic grease gun and a pedal grease gun. The grease gun has the advantages of simple operation, convenient carrying and wide application range, and is a necessary tool for vast farm machinery and maintenance centers. The electric grease gun is a miniature grease gun, which is composed of a shell, a plunger pump mechanism, a crank-slider mechanism, a gear reduction mechanism, an oil supply system, an operating system and a power system.
In order to meet the market demand, a high-power high-speed motor with high rotating speed is often used for driving the grease gun, and the high-power motor has strong vibration and large working noise, so that the normal work of people is seriously influenced.
Therefore, the utility model provides a new technical scheme, and aims to solve the problems of strong motor oscillation and high working noise.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a gearbox of a grease gun.
A gearbox of a grease gun comprises a motor, a box body, a gear assembly, a rotating shaft, a rotating block and an eccentric block, wherein the gear assembly is installed in the box body, the output end of the motor penetrates into the box body and is connected with the input end of the gear assembly, the output end of the gear assembly is fixedly connected with the rotating shaft, the rotating shaft penetrates out of the box body and is fixedly connected with the rotating block, the eccentric block is fixedly connected to one end, deviating from the rotating shaft, of the rotating block, the box body is of a tubular structure with an open top end, and the gear assembly comprises a first planetary gear set, a second planetary gear set and a third planetary gear set which are coaxially and sequentially arranged in the box body from bottom to top;
the first planetary gear set comprises a first gear ring, a first sun gear, a first planet carrier and a plurality of first planet gears, the first gear ring is fixed in the box body, the first sun gear is fixedly connected with an output shaft of the motor, the first planet gears are rotationally connected to the bottom end of the first planet carrier in an annular array shape, and the first planet gears are all meshed with the first sun gear and are all meshed with the first gear ring;
the second planetary gear set comprises a second gear ring, a second sun gear, a second planet carrier and a plurality of second planetary gears, the second gear ring is fixed in the box body, the second sun gear is rotationally connected to the top end of the first planet carrier, the plurality of second planetary gears are rotationally connected to the bottom end of the second planet carrier in an annular array shape, and the plurality of second planetary gears are all meshed with the second sun gear and are all meshed with the second gear ring;
the third planetary gear set includes third ring gear, third sun gear, third planet carrier and a plurality of third planet wheel, the third ring gear is fixed in the box, the third sun gear rotates to be connected in the top of second planet carrier, and is a plurality of the third planet wheel is ring array form and rotates to be connected in the bottom of third planet carrier, and is a plurality of the third planet wheel all meshes with third sun gear, and all meshes with the third ring gear, pivot fixed connection is on the top of third planet carrier.
By adopting the technical scheme, the motor is started, the output end of the motor rotates to drive the first sun gear to rotate, the first sun gear drives the first planet gear meshed with the first sun gear to rotate around the first sun gear in the first gear ring, so that the first planet carrier rotates in the first gear ring, the second sun gear on the first planet carrier rotates synchronously with the first planet carrier, the second planet gear meshed with the second sun gear rotates around the second sun gear in the second gear ring, so that the second planet carrier rotates in the second gear ring, the third sun gear on the second planet carrier rotates synchronously with the second planet carrier, the third planet gear meshed with the third sun gear rotates around the third sun gear in the third gear ring, so that the third planet carrier rotates in the third gear ring, and the third planet carrier drives the rotating shaft fixedly connected with the third planet carrier to rotate. The rotating speed of the rotating shaft can be effectively reduced through three-stage speed reduction of the first planetary gear set, the second planetary gear set and the third planetary gear set, so that vibration and noise are reduced.
The utility model further comprises the following steps: the outer side walls of the first gear ring, the second gear ring and the third gear ring are fixed with a plurality of clamping strips, and the inner side wall of the box body is provided with clamping grooves for clamping the clamping strips.
Through adopting above-mentioned technical scheme, realize the fixed of first ring gear, second ring gear and third ring gear through the form that the draw-in groove is gone into to the card strip card, when needs are dismantled or are installed, it is more convenient.
The utility model further comprises the following steps: the rotating shaft is rotatably connected with the box body through a bearing.
Through adopting above-mentioned technical scheme, the setting of bearing has promoted the stability of pivot in the rotation process.
The utility model further comprises the following steps: the number of the first planet wheels, the second planet wheels and the third planet wheels is three.
Through adopting above-mentioned technical scheme, the meshing effect is better, and the operation is more steady, improves the job stabilization nature of first planetary gear set, second planetary gear set and third planetary gear set.
The utility model further comprises the following steps: the bottom fixed connection of box is used for the support, the support passes through bolt fixed connection with the shell of motor.
Through adopting above-mentioned technical scheme, the motor is installed on the support to promote the stability of being connected between motor and the box.
Compared with the prior art, the utility model has the beneficial effects that:
a gear box of a grease gun starts a motor, an output end of the motor rotates to drive a first sun gear to rotate, the first sun gear drives a first planet wheel meshed with the first sun gear to rotate around the first sun gear in a first gear ring, so that the first planet carrier rotates in the first gear ring, a second sun gear on the first planet carrier rotates synchronously with the first planet carrier, a second planet wheel meshed with the second sun gear rotates around the second sun gear in a second gear ring, so that the second planet carrier rotates in the second gear ring, a third sun gear on the second planet carrier rotates synchronously with the second planet carrier, a third planet wheel meshed with the third sun gear rotates around the third sun gear in a third gear ring, so that the third planet carrier rotates in the third gear ring, and the third planet carrier drives a rotating shaft fixedly connected with the third planet carrier to rotate. The rotating speed of the rotating shaft can be effectively reduced through three-stage speed reduction of the first planetary gear set, the second planetary gear set and the third planetary gear set, so that vibration and noise are reduced.
Drawings
FIG. 1 is a first schematic structural view of a gearbox of a grease gun according to the present invention;
FIG. 2 is a second schematic structural view of a gearbox of a grease gun according to the present invention;
FIG. 3 is a cross-sectional view of a gear assembly of the gearbox of a grease gun of the present invention.
Reference numerals: 1. a motor; 2. a box body; 3. a rotating shaft; 4. rotating the block; 5. an eccentric block; 6. a first planetary gear set; 7. a first ring gear; 8. a first sun gear; 9. a first carrier; 10. a first planet gear; 11. a second planetary gear set; 12. a second ring gear; 13. a second sun gear; 14. a second planet carrier; 15. A second planet wheel; 16. a third planetary gear set; 17. a third sun gear; 18. a third carrier; 19. A third planet gear; 20. clamping the strip; 21. a bearing; 22. a support; 23. a third ring gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A gear box of a grease gun is disclosed, as shown in figures 1-3, and comprises a motor 1, a box body 2, a gear assembly, a rotating shaft 3, a rotating block 4 and an eccentric block 5, wherein the gear assembly is arranged in the box body 2, the output end of the motor 1 penetrates into the box body 2 and is connected with the input end of the gear assembly, the output end of the gear assembly is fixedly connected with the rotating shaft 3, the rotating shaft 3 penetrates out of the box body 2 and is fixedly connected with the rotating block 4, the eccentric block 5 is fixedly connected with one end of the rotating block 4, which is far away from the rotating shaft 3, the box body 2 is a tubular structure with an open top end, and the gear assembly comprises a first planetary gear set 6, a second planetary gear set 11 and a third planetary gear set 16 which are coaxially and sequentially arranged in the box body 2 from bottom to top;
the first planetary gear set 6 comprises a first gear ring 7, a first sun gear 8, a first planet carrier 9 and three first planet gears 10, wherein the first gear ring 7 is fixed in the box body 2, the first sun gear 8 is fixedly connected with an output shaft of the motor 1, the three first planet gears 10 are rotationally connected to the bottom end of the first planet carrier 9 in an annular array shape, and the three first planet gears 10 are all meshed with the first sun gear 8 and are all meshed with the first gear ring 7;
the second planetary gear set 11 comprises a second ring gear 12, a second sun gear 13, a second planet carrier 14 and three second planet gears 15, the second ring gear 12 is fixed in the box body 2, the second sun gear 13 is rotationally connected to the top end of the first planet carrier 9, the three second planet gears 15 are rotationally connected to the bottom end of the second planet carrier 14 in an annular array shape, and the three second planet gears 15 are all meshed with the second sun gear 13 and are all meshed with the second ring gear 12;
the third planetary gear set 16 comprises a third ring gear 23, a third sun gear 17, a third planet carrier 18 and three third planet gears 19, wherein the third ring gear 23 is fixed in the box body 2, the third sun gear 17 is rotationally connected to the top end of the second planet carrier 14, the three third planet gears 19 are rotationally connected to the bottom end of the third planet carrier 18 in an annular array, the three third planet gears 19 are all meshed with the third sun gear 17 and are all meshed with the third ring gear 23, and the rotating shaft 3 is fixedly connected to the top end of the third planet carrier 18.
Additionally, the outer side walls of the first gear ring 7, the second gear ring 12 and the third gear ring 23 are all fixed with three clamping strips 20, and the inner side wall of the box body 2 is provided with clamping grooves for clamping the clamping strips 20. The first gear ring 7, the second gear ring 12 and the third gear ring 23 are fixed in a mode that the clamping strip 20 is clamped into the clamping groove, and the fixing is more convenient when the gear is required to be disassembled or assembled.
The rotating shaft 3 is rotatably connected with the box body 2 through a bearing 21. The provision of the bearing 21 improves the stability of the shaft 3 during rotation.
The bottom end of the box body 2 is fixedly connected with a bracket 22, and the bracket 22 is fixedly connected with the shell of the motor 1 through bolts. The motor 1 is mounted on the bracket 22, thereby improving the connection stability between the motor 1 and the case 2.
The working principle is as follows: the motor 1 is started, the output end of the motor 1 rotates to drive the first sun gear 8 to rotate, the first sun gear 8 drives the first planet gear 10 meshed with the first sun gear 8 to rotate around the first sun gear 8 in the first gear ring 7, so that the first carrier 9 rotates within the first ring gear 7, the second sun gear 13 on the first carrier 9 rotates in synchronism with the first carrier 9, the second planet wheels 15 which mesh with the second sun wheel 13 rotate around the second sun wheel 13 in the second annulus 12, thereby driving the second planet carrier 14 to rotate in the second gear ring 12, the third sun gear 17 on the second planet carrier 14 rotates synchronously with the second planet carrier 14, the third planetary gears 19 engaged with the third sun gear 17 rotate around the third sun gear 17 within the third ring gear 23, thereby driving the third planet carrier 18 to rotate in the third gear ring 23, and the third planet carrier 18 drives the rotating shaft 3 fixedly connected with the third planet carrier 18 to rotate. The rotation speed of the rotating shaft 3 can be effectively reduced by three-stage speed reduction of the first planetary gear set 6, the second planetary gear set 11 and the third planetary gear set 16, thereby reducing the vibration feeling and the noise.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a gear box of grease gun, includes motor (1), box (2), gear assembly, pivot (3), rotatory piece (4) and eccentric block (5), the gear assembly is installed in box (2), the output of motor (1) penetrates in box (2) and is connected with the input of gear assembly, the output and pivot (3) fixed connection of gear assembly, box (2) and with rotatory piece (4) fixed connection are worn out in pivot (3), eccentric block (5) fixed connection deviates from the one end of pivot (3) on rotatory piece (4), its characterized in that: the box body (2) is of a cylindrical structure with an opening at the top end, and the gear assembly comprises a first planetary gear set (6), a second planetary gear set (11) and a third planetary gear set (16) which are coaxially and sequentially arranged in the box body (2) from bottom to top;
the first planetary gear set (6) comprises a first gear ring (7), a first sun gear (8), a first planet carrier (9) and a plurality of first planet gears (10), the first gear ring (7) is fixed in the box body (2), the first sun gear (8) is fixedly connected with an output shaft of the motor (1), the first planet gears (10) are connected to the bottom end of the first planet carrier (9) in an annular array mode in a rotating mode, and the first planet gears (10) are meshed with the first sun gear (8) and meshed with the first gear ring (7);
the second planetary gear set (11) comprises a second gear ring (12), a second sun gear (13), a second planet carrier (14) and a plurality of second planetary gears (15), the second gear ring (12) is fixed in the box body (2), the second sun gear (13) is rotationally connected to the top end of the first planet carrier (9), the plurality of second planetary gears (15) are rotationally connected to the bottom end of the second planet carrier (14) in an annular array shape, and the plurality of second planetary gears (15) are all meshed with the second sun gear (13) and are all meshed with the second gear ring (12);
third planetary gear set (16) include third ring gear (23), third sun gear (17), third planet carrier (18) and a plurality of third planet wheel (19), third ring gear (23) are fixed in box (2), third sun gear (17) rotate to be connected in the top of second planet carrier (14), and are a plurality of third planet wheel (19) are the annular array form and rotate the bottom of connecting in third planet carrier (18), and are a plurality of third planet wheel (19) all mesh with third sun gear (17), and all mesh with third ring gear (23), pivot (3) fixed connection is in the top of third planet carrier (18).
2. A gearbox for a grease gun as defined in claim 1, wherein: all be fixed with a plurality of card strips (20) on the lateral wall of first ring gear (7), second ring gear (12) and third ring gear (23), set up the draw-in groove that is used for the card to go into card strip (20) on the inside wall of box (2).
3. A gearbox for a grease gun as defined in claim 1, wherein: the rotating shaft (3) is rotatably connected with the box body (2) through a bearing (21).
4. A gearbox for a grease gun as defined in claim 1, wherein: the number of the first planet wheels (10), the second planet wheels (15) and the third planet wheels (19) is three.
5. A gearbox for a grease gun as defined in claim 1, wherein: the bottom end of the box body (2) is fixedly connected with a support (22), and the support (22) is fixedly connected with the shell of the motor (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984718.2U CN215763075U (en) | 2020-12-12 | 2020-12-12 | Gear box of grease gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984718.2U CN215763075U (en) | 2020-12-12 | 2020-12-12 | Gear box of grease gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763075U true CN215763075U (en) | 2022-02-08 |
Family
ID=80070613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022984718.2U Active CN215763075U (en) | 2020-12-12 | 2020-12-12 | Gear box of grease gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763075U (en) |
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2020
- 2020-12-12 CN CN202022984718.2U patent/CN215763075U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A gearbox for a butter gun Effective date of registration: 20231206 Granted publication date: 20220208 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch Pledgor: Jinhua Jingyan electromechanical Co.,Ltd. Registration number: Y2023980069527 |