Multi-positioning gear box of gear motor

Abstract

The utility model relates to the field of gear boxes of gear motors, and particularly discloses a multi-positioning gear box of a gear motor, which comprises a motor body, the fixed seat is arranged on the motor body; the shell is arranged on the fixed seat, and the shell and the fixed seat are connected to form a cavity in the reduction gearbox; the transmission mechanism is arranged in the cavity and is in transmission fit with the motor body; the planet shaft is rotationally arranged on the shell, and one end is in transmission fit with the transmission mechanism; the transmission mechanism comprises an annular seat and a driven piece rotationally arranged on the annular seat; one end of the driven piece is connected to the motor body, and the other end of the driven piece is connected to the planet shaft; a plurality of first protrusions are arranged on the outer wall of the annular base, first grooves matched with the first protrusions are formed in the shell, a plurality of second protrusions are arranged at the bottom of the annular base, and second grooves matched with the second protrusions are formed in the fixing base. The gear transmission mechanism has the effect of improving the stability during gear transmission.

Description

Technical Field

[0001] This application relates to the field of geared motor gearboxes, and in particular to a multi-positioning geared motor gearbox. Background Technology

[0002] A geared motor is an integrated unit of a speed reducer and a motor, widely used in the speed reduction transmission mechanisms of various general-purpose mechanical equipment in metallurgy, mining, hoisting, transportation, cement, construction, chemical, textile, printing and dyeing, pharmaceutical, medical, beauty, health massage, and office supplies industries. The gearbox of a geared motor bears the forces from external forces and the forces generated during gear transmission. It must have sufficient rigidity to withstand the forces and torques, prevent deformation, and ensure transmission quality. Currently, commonly used geared motor gearboxes have the following drawbacks: large internal space, and gears that are not securely fixed during operation, causing them to wobble. Utility Model Content

[0003] To address the issue of stability during gear transmission, this application provides a multi-positioning gearbox for a geared motor.

[0004] The multi-positioning geared motor gearbox provided in this application adopts the following technical solution:

[0005] include:

[0006] Motor body;

[0007] A mounting base is provided on the motor body;

[0008] The outer casing is mounted on a fixed base, and the connection between the outer casing and the fixed base forms the cavity inside the gearbox;

[0009] The transmission mechanism is located inside the cavity and is in transmission cooperation with the motor body;

[0010] The planetary shaft is rotatably mounted on the outer casing, and one end is connected to the transmission mechanism for transmission.

[0011] The transmission mechanism includes an annular seat and a driven member rotatably mounted on the annular seat. The driven member is located in a cavity, with one end connected to the motor body and the other end connected to the planetary shaft. The outer wall of the annular seat has a plurality of first protrusions, the outer shell has a first groove that mates with the first protrusions, the bottom of the annular seat has a plurality of second protrusions, and the fixed seat has a second groove that mates with the second protrusions.

[0012] By adopting the above technical solution, the first and second protrusions provide multiple positioning effects between the annular seat, the fixed seat, and the outer shell, effectively enhancing the stability of the annular seat and thus improving the stability of gear transmission. At the same time, it effectively fixes the various parts inside the gearbox, enhancing stability.

[0013] In one possible implementation, the number of first protrusions is four, which are evenly distributed along the outer wall of the annular seat.

[0014] In one possible implementation, the first protrusion and the second protrusion are arranged perpendicularly.

[0015] In one possible implementation, the mounting bracket is fixed to the motor body by two machine screws.

[0016] In one possible implementation, the housing is fixed to the outer wall of the mounting base by four countersunk screws.

[0017] In one possible implementation, a gasket is provided between the annular seat and the fixed seat.

[0018] In one possible implementation, the follower includes:

[0019] The second-stage planetary carrier is fitted onto one end of the planetary axis;

[0020] The second-stage planetary gear is fixedly mounted on the second-stage planetary carrier;

[0021] The first-stage planetary carrier is rotatably mounted in the cavity, and the first planetary carrier is provided with first teeth that mesh with the second planetary teeth;

[0022] The helical gear is fixedly located at the bottom of the first planetary carrier;

[0023] An internal gear ring is located on the inner wall of the ring seat and meshes with three helical teeth;

[0024] The helical teeth rotate relative to the internal gear ring, and the output end of the motor body is provided with a second tooth that meshes with the three helical teeth.

[0025] In one possible implementation, the first-stage planetary carrier is provided with three first connecting posts, and the number of helical teeth is three. The three helical teeth are respectively fixedly sleeved on the three first connecting posts, and the output end of the motor body passes through the center of the three helical teeth. The second teeth mesh with the three helical teeth respectively.

[0026] In one possible implementation, the secondary planetary carrier is provided with three second connecting posts, and the number of secondary planetary teeth is three, corresponding to the second connecting posts. The three second planetary teeth are respectively fixed on the three second connecting posts.

[0027] In one possible implementation, the follower further includes:

[0028] The first bearing is sleeved on the outer wall of the planetary shaft;

[0029] The second bearing is sleeved on the outer wall of the planetary shaft;

[0030] A snap ring is fitted onto the outer wall of the planetary shaft;

[0031] The first bearing, the second bearing, and the snap ring are arranged sequentially from bottom to top, with one end of the first bearing abutting against the end face of the second-stage planetary carrier.

[0032] In summary, this application includes the following beneficial technical effects: under the action of the first protrusion and the second protrusion, multiple positioning effects are achieved between the annular seat and the fixed seat and the outer shell, effectively enhancing the stability of the annular seat, thereby improving the stability during gear transmission, and at the same time effectively fixing the various parts inside the gearbox, enhancing stability. Attached Figure Description

[0033] Figure 1 This is an overall schematic diagram based on an embodiment of this application;

[0034] Figure 2 yes Figure 1 An enlarged schematic diagram of part A;

[0035] Figure 3 This is a cross-sectional schematic diagram as part of an embodiment;

[0036] Figure 4 yes Figure 3 An enlarged schematic diagram of part B;

[0037] Figure 5 This is an exploded view of an embodiment;

[0038] Figure 6 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the second protrusion and the second groove;

[0039] Figure 7 This is a structural schematic diagram as part of an embodiment, mainly showing the structure of the first protrusion and the first groove.

[0040] Reference numerals in the attached drawings: 1. Motor body; 2. Mounting base; 3. Housing; 4. Planetary shaft; 5. Machine screw; 6. Countersunk screw; 7. Ring seat; 8. First protrusion; 9. First groove; 10. Second protrusion; 11. Second groove; 12. Washer; 13. Secondary planetary carrier; 14. Secondary planetary gear; 15. Primary planetary carrier; 16. Helical gear; 17. Internal gear ring; 18. First bearing; 19. Second bearing; 20. Snap ring; 21. First tooth; 22. Second tooth; 23. First connecting post; 24. Second connecting post. Detailed Implementation

[0041] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0042] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0043] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0044] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0045] Reference Figure 1-7 The multi-positioning gearbox for a geared motor includes a motor body 1, a fixed base 2, a housing 3, a transmission mechanism, and a planetary shaft 4. The fixed base 2 is fixed to the motor body 1 by two machine screws 5. The housing 3 is fixed to the outer wall of the fixed base 2 by four countersunk screws 6. The motor body 1, the fixed base 2, and the housing 3 are connected to form a cavity inside the gearbox. The transmission mechanism is located in the cavity and is connected to the output end of the motor body 1. The planetary shaft 4 is rotatably installed inside the housing 3, and one end is connected to the transmission mechanism. The transmission mechanism includes a driven member and an annular seat 7. The driven member is located inside the cavity, with one end connected to the motor body 1 and the other end connected to the planetary shaft 4. The outer wall of the annular seat 7 has four first protrusions 8 evenly distributed along its outer wall. The outer casing 3 has first grooves 9 that mate with the first protrusions 8. The bottom of the annular seat 7 has several second protrusions 10, and the fixed seat 2 has second grooves 11 that mate with the second protrusions 10. The first protrusions 8 and second protrusions 10 are perpendicularly arranged. Through the action of the first protrusions 8 and second protrusions 10, multiple positioning effects are achieved between the annular seat 7, the fixed seat 2, and the outer casing 3, effectively enhancing the stability of the annular seat 7 and simultaneously securing the internal components of the gearbox, thus improving overall stability.

[0046] A gasket 12 is provided between the annular seat 7 and the fixed seat 2 to improve the stability between the annular seat 7 and the fixed seat 2.

[0047] The driven component includes a secondary planetary carrier 13, a secondary planetary gear 14, a primary planetary carrier 15, a helical gear 16, an internal gear ring 17, a first bearing 18, a second bearing 19, and a retaining ring 20. The secondary planetary carrier 13 is sleeved on one end of the planetary shaft 4. The secondary planetary gear 14 is fixedly mounted on the secondary planetary carrier 13. The primary planetary carrier 15 is rotatably mounted in the cavity, and the primary planetary carrier has a first tooth 21 that meshes with the second planetary gear. The helical gear 16 is fixedly mounted on the bottom of the primary planetary carrier, and the internal gear ring 17 is mounted on the ring. On the inner wall of the shaped seat 7, and meshing with three helical teeth 16; the helical teeth 16 rotate relative to the inner gear ring 17, and the output end of the motor body 1 is provided with a second tooth 22 that meshes with the three helical teeth 16. The first bearing 18 is sleeved on the outer wall of the planetary shaft 4, the second bearing 19 is sleeved on the outer wall of the planetary shaft 4, and the snap ring 20 is sleeved on the outer wall of the planetary shaft 4. The first bearing 18, the second bearing 19, and the snap ring 20 are distributed from bottom to top in sequence. One end of the first bearing 18 abuts against the end face of the second-stage planetary carrier 13.

[0048] The first-stage planetary carrier 15 is provided with three first connecting posts 23 and three helical teeth 16. The three helical teeth 16 are fixedly sleeved on the three first connecting posts 23 respectively. The output end of the motor body 1 passes through the center of the three helical teeth 16. The second teeth 22 mesh with the three helical teeth 16 respectively.

[0049] The secondary planetary carrier 13 is provided with three second connecting posts 24, and the number of secondary planetary teeth 14 is three, corresponding to the second connecting posts 24. The three second planetary teeth are fixedly mounted on the three second connecting posts 24 respectively.

[0050] In the description of the embodiments of this application, it should be noted that the terms "inner" and "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application.

[0051] In the description of this application, the references to terms such as "an embodiment," "some embodiments," "in this embodiment," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0052] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A multi-positioning gearbox for a speed reducer motor, characterized in that: include: Motor body (1); A mounting base (2) is provided on the motor body (1); The outer casing (3) is disposed on the fixed base (2), and the outer casing (3) and the fixed base (2) are connected to form a cavity inside the gearbox; A transmission mechanism is located inside the cavity and is in transmission cooperation with the motor body (1); The planetary shaft (4) is rotatably mounted on the outer casing (3), and one end is connected to the transmission mechanism for transmission. The transmission mechanism includes an annular seat (7) and a follower rotatably mounted on the annular seat (7); the follower is located in a cavity, one end of the follower is connected to the motor body (1), and the other end is connected to the planetary shaft (4); the outer wall of the annular seat (7) is provided with a plurality of first protrusions (8), the outer shell (3) is provided with a first groove (9) that cooperates with the first protrusions (8), the bottom of the annular seat (7) is provided with a plurality of second protrusions (10), and the fixed seat (2) is provided with a second groove (11) that cooperates with the second protrusions (10).

2. The multi-positioning gearbox for a reduction motor according to claim 1, characterized in that: The number of the first protrusions (8) is four, and they are evenly distributed along the outer wall of the annular seat (7).

3. The multi-positioning gearbox for a reduction motor according to claim 1, characterized in that: The first protrusion (8) and the second protrusion (10) are arranged perpendicularly.

4. The multi-positioning gearbox for a reduction motor according to claim 1, characterized in that: The mounting base (2) is fixed to the motor body (1) by two machine screws (5).

5. The multi-positioning gearbox for a reduction motor according to claim 1, characterized in that: The outer shell (3) is fixed to the outer wall of the mounting base (2) by four countersunk screws (6).

6. The multi-positioning gearbox for a reduction motor according to claim 1, characterized in that: A gasket (12) is provided between the annular seat (7) and the fixed seat (2).

7. The multi-positioning gearbox for a reduction motor according to claim 1, characterized in that: The driven member includes: A secondary planetary carrier (13) is fitted onto one end of the planetary axis (4); Secondary planetary gear (14) is fixedly mounted on the secondary planetary carrier (13); A first-stage planetary carrier (15) is rotatably disposed in the cavity, and the first planetary carrier is provided with a first tooth (21) that meshes with the second planetary tooth; The helical gear (16) is fixedly disposed at the bottom of the first planetary carrier; An internal gear ring (17) is disposed on the inner wall of the annular seat (7) and meshes with the three helical teeth (16); The helical teeth (16) rotate relative to the internal gear ring (17), and the output end of the motor body (1) is provided with a second tooth (22) that meshes with the three helical teeth (16).

8. The multi-positioning gearbox for a speed reducer motor according to claim 7, characterized in that: The first-stage planetary carrier (15) is provided with three first connecting posts (23), and the number of helical teeth (16) is three. The three helical teeth (16) are respectively fixedly sleeved on the three first connecting posts (23). The output end of the motor body (1) passes through the center of the three helical teeth (16), and the second tooth (22) meshes with the three helical teeth (16) respectively.

9. The multi-positioning gearbox for a reduction motor according to claim 7, characterized in that: The secondary planetary carrier (13) is provided with three second connecting posts (24), and the number of secondary planetary teeth (14) is three, corresponding to the second connecting posts (24). The three second planetary teeth are respectively fixed on the three second connecting posts (24).

10. The multi-positioning gearbox for a reduction motor according to claim 7, characterized in that: The driven element further includes: The first bearing (18) is sleeved on the outer wall of the planetary shaft (4); The second bearing (19) is sleeved on the outer wall of the planetary shaft (4); A snap ring (20) is fitted onto the outer wall of the planetary shaft (4); The first bearing (18), the second bearing (19), and the snap ring (20) are distributed from bottom to top in sequence, with one end of the first bearing (18) abutting against the end face of the secondary planetary carrier (13).

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