Double-shaft input speed reducer

Abstract

The utility model discloses a double-shaft input speed reducer which comprises a first output assembly and a second output assembly, the first output assembly comprises a first shaft rod and a connecting base, a gear is arranged on the surface of the first shaft rod in a surrounding mode, one end of the bottom of the first shaft rod is connected with the connecting base in an inserted mode, and the gear is arranged on the top of the connecting base; the second output assembly comprises a second shaft rod and three planetary gears, the first shaft rod and the second shaft rod are connected in an inserted mode and extend to the bottom of the second shaft rod, and the number of the planetary gears is three; the first bearing assembly comprises a first deep groove ball bearing and a second deep groove ball bearing; a gasket is arranged at the top of the third deep groove ball bearing; the protective shell comprises a barrel. According to the utility model, the double shafts can synchronously rotate in the same direction to stably work, the output shafts can be respectively supported and positioned, the whole space is not increased while the double shafts output, different use requirements and use modes are met, and particularly, different regulation and control requirements are met when the double shafts are used in coffee utensils.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a reducer with dual-axis input. Background Art

[0002] A reducer is an independent component consisting of a gear drive, worm drive, or gear-worm drive enclosed in a rigid housing. It is commonly used as a reduction gear between a prime mover and a working machine. It matches speeds and transmits torque between the prime mover and the working machine or actuator, and is widely used in modern machinery.

[0003] Nowadays, more and more small household appliances are equipped with reducers for transmission work, such as coffee machines, blenders and other appliances. However, most of the current reducers are single-axis output, difficult to adjust, and cannot meet diverse usage needs. Some dual-axis reducers are mostly set in different directions and have a large overall size, which is not convenient for small household appliances to install. Utility Model Content

[0004] The utility model provides a dual-axis input reducer, which can realize the synchronous rotation of the dual axes in the same direction for stable operation, and can support and position the output shafts respectively. The dual-axis output does not increase the overall space, and meets different usage requirements and usage methods, especially when used in coffee utensils to meet different control needs.

[0005] In order to solve the above technical problems, the present invention provides a dual-axis input reducer, comprising:

[0006] The first output assembly includes a first shaft and a connecting seat, wherein a gear is provided around the surface of the first shaft, one end of the bottom of the first shaft is plugged into the connecting seat, and the gear is provided on the top of the connecting seat;

[0007] A second output assembly includes a second shaft and planetary gears, wherein the first shaft is plugged into the second shaft and extends to the bottom of the second shaft, the number of the planetary gears is set to three, and the gear is arranged between the three planetary gears and meshes with the three gears respectively;

[0008] A first bearing assembly includes a first deep groove ball bearing and a second deep groove ball bearing, wherein a rotating ring is provided between the first deep groove ball bearing and the second deep groove ball bearing;

[0009] A third deep groove ball bearing is provided with a washer on the top, and the connecting seat is plugged into the third deep groove ball bearing;

[0010] The protective shell comprises a cylinder, the inner wall of the cylinder is surrounded by a rack, and the planetary gear is meshed with the rack.

[0011] As a preferred embodiment of the above technical solution, a positioning ring is provided around the bottom of the connecting seat, the positioning ring is arranged at the bottom of the third deep groove ball bearing and the diameter of the positioning ring is greater than the diameter of the third deep groove ball bearing.

[0012] As a preferred embodiment of the above technical solution, a positioning seat is provided around the surface of the second shaft rod, and a gear fixing rod is provided inside the positioning seat. The number of gear fixing rods is set to three and one end of the bottom is matched with the planetary gear. A connecting thread head is provided at one end of the top of the second output component.

[0013] As a preferred embodiment of the above technical solution, a limiting ring is provided around the top surface of the second deep groove ball bearing, and the limiting ring is arranged at the bottom of the connecting thread head.

[0014] As a preferred embodiment of the above technical solution, the washer is sleeved with the connecting seat, and the third deep groove ball bearing and the washer are both arranged inside the cylinder and slidably connected to the inner wall of the cylinder.

[0015] As a preferred embodiment of the above technical solution, a first mounting seat and a second mounting seat are respectively provided on the top and bottom of the cylinder, and a positioning plate is provided on the top surface of the first mounting seat.

[0016] As a preferred embodiment of the above technical solution, the limiting ring is arranged on the top surface of the positioning plate, the connecting thread head is arranged on the top of the positioning plate, and a connecting shaft is arranged at one end of the top of the first shaft.

[0017] The utility model provides a dual-axis input reducer, which comprises a first output assembly, a second output assembly, a first bearing assembly and a third deep groove ball bearing. The first shaft of the first output assembly extends into the second shaft of the second output assembly, and the gear of the first output assembly is meshed and matched with the three planetary gears of the second output assembly. At the same time, the three planetary gears are connected and meshed with the rack on the inner wall of the protective shell, so that the first shaft and the second shaft can rotate and output simultaneously during operation. In the process of being driven by the three planetary gears, the planetary distributed torque is increased and the operation is more stable. In addition, the first output assembly and the second output assembly are matched and connected to the third deep groove ball bearing and the first bearing assembly respectively, which can support and position the first output assembly and the second output assembly respectively to ensure stable rotation. The entire reducer can realize dual-axis synchronous rotation in the same direction for stable operation, and can support and position the output shafts respectively. The dual-axis output does not increase the overall space, meeting different usage needs and usage methods, especially when used in small household appliances such as coffee utensils, to meet different regulation needs.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is an exploded view of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the protective shell of the present invention;

[0022] Figure 4 This is a bottom view of the protective case of the present invention;

[0023] Figure 5 This is a schematic diagram of the connection between the first output assembly and the third deep groove ball bearing of the utility model.

[0024] In the figure: 1 first output assembly, 11 first shaft, 12 gear, 13 connecting seat, 14 positioning ring, 2 second output assembly, 21 second shaft, 22 planetary gear, 23 positioning seat, 24 connecting thread head, 3 first bearing assembly, 31 first deep groove ball bearing, 32 second deep groove ball bearing, 33 limiting ring, 34 rotating ring, 4 third deep groove ball bearing, 5 washer, 6 protective shell, 61 cylinder, 62 first mounting seat, 63 second mounting seat, 64 positioning plate, 7 rack. DETAILED DESCRIPTION

[0025] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0026] See also Figure 1-5 The embodiment of the present utility model provides a dual-axis input reducer, comprising:

[0027] The first output assembly 1 includes a first shaft 11 and a connecting seat 13. A gear 12 is provided around the surface of the first shaft 11. One end of the bottom of the first shaft 11 is plugged into the connecting seat 13, and the gear 12 is provided on the top of the connecting seat 13.

[0028] The second output assembly 2 includes a second shaft 21 and planetary gears 22. The first shaft 11 is plugged into the second shaft 21 and extends to the bottom of the second shaft 21. There are three planetary gears 22. The gear 12 is disposed between the three planetary gears 22 and meshes with the three gears 12 respectively.

[0029] The first bearing assembly 3 includes a first deep groove ball bearing 31 and a second deep groove ball bearing 32 , with a rotating ring 34 provided between the first deep groove ball bearing 31 and the second deep groove ball bearing 32 ;

[0030] The third deep groove ball bearing 4 has a washer 5 on the top, and the connecting seat 13 is plugged into the third deep groove ball bearing 4;

[0031] The protective shell 6 includes a cylinder 61 . A rack 7 is provided around the inner wall of the cylinder 61 . The planetary gear 22 is meshed with the rack 7 .

[0032] This embodiment provides a dual-axis input reducer, comprising a first output assembly 1, a second output assembly 2, a first bearing assembly 3, and a third deep groove ball bearing 4. The first shaft 11 of the first output assembly 1 extends into the second shaft 21 of the second output assembly 2, and the gear 12 of the first output assembly 1 meshes with the three planetary gears 22 of the second output assembly 2. Simultaneously, the three planetary gears 22 are connected and meshed with the rack 7 on the inner wall of the protective shell 6. This enables simultaneous rotational output by the first shaft 11 and the second shaft 21 during operation. Furthermore, when driven by the three planetary gears 22, the planetary distributed torque is increased, resulting in more stable operation. Furthermore, the first output assembly 1 and the second output assembly 3 are respectively matched with the third deep groove ball bearing 4 and the first bearing assembly 3, which can respectively support and position the first output assembly 1 and the second output assembly 2, ensuring stable rotation. The entire reducer can achieve dual-axis synchronous rotation in the same direction for stable operation, and can also support and position the output shafts separately. Dual-axis output is achieved without increasing the overall space, meeting different usage requirements and methods, particularly when used in coffee utensils to meet different control requirements.

[0033] In a further embodiment of the present invention, a positioning ring 14 is provided around the bottom of the connecting seat 13 . The positioning ring 14 is provided at the bottom of the third deep groove ball bearing 4 and has a diameter greater than that of the third deep groove ball bearing 4 .

[0034] The positioning ring 14 in this embodiment can limit the position of the entire first output assembly 1 to prevent the entire assembly from sliding upward during rotation.

[0035] In a further embodiment of this embodiment, a positioning seat 23 is provided around the surface of the second shaft 21, and a gear fixing rod is provided inside the positioning seat 23. The number of gear fixing rods is set to three and one end of the bottom is matched with the planetary gear 22. A connecting thread head 24 is provided at the top end of the second output component 2.

[0036] The positioning seat 23 in this embodiment is penetrated to the bottom by the gear fixing rod to install and connect the three planetary gears 22, ensuring that the center position of the planetary gears 22 is fixed and locked.

[0037] In a further embodiment of the present invention, a limiting ring 33 is provided around the top surface of the second deep groove ball bearing 32 , and the limiting ring 33 is provided at the bottom of the connecting thread head 24 .

[0038] The limiting ring 33 in this embodiment can limit the position of the second shaft 21 of the second output assembly 2 matched and installed inside the entire first bearing assembly 3 and the position of the top connecting thread head 24 thereof, thereby maintaining the stability of the overall structure.

[0039] In a further embodiment of the present invention, the washer 5 is sleeved with the connecting seat 13 , and the third deep groove ball bearing 4 and the washer 5 are both disposed inside the cylinder 61 and are slidably connected to the inner wall of the cylinder 61 .

[0040] The third deep groove ball bearing 4 and the washer 5 in this embodiment are used to install and limit the connection seat 13 of the first output assembly 1 to ensure the stability of the overall structure.

[0041] In a further embodiment of the present invention, a first mounting seat 62 and a second mounting seat 63 are respectively provided on the top and bottom of the cylinder 61 , and a positioning plate 64 is provided on the top surface of the first mounting seat 62 .

[0042] In this embodiment, the first mounting seat 62 and the second mounting seat 63 facilitate positioning and installation of the entire structure, and the positioning plate 64 limits the internal structure to maintain the stability of the entire structure.

[0043] In a further embodiment of the present invention, the limiting ring 33 is provided on the top surface of the positioning plate 64 , the connecting thread head 24 is provided on the top of the positioning plate 64 , and a connecting shaft is provided at one end of the top of the first shaft 11 .

[0044] In this embodiment, the first shaft 11 and the connecting threaded head 24 are both arranged on the top of the positioning plate 64 and can be connected and outputted respectively to achieve dual-axis output operation.

[0045] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and integrate different embodiments or examples described in this specification, as well as features of different embodiments or examples, unless they are mutually inconsistent.

[0046] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0047] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A dual-axis input reducer, characterized in that: include: A first output assembly (1) includes a first shaft (11) and a connecting seat (13), wherein a gear (12) is provided around the surface of the first shaft (11), one end of the bottom of the first shaft (11) is plugged into the connecting seat (13), and the gear (12) is provided on the top of the connecting seat (13); A second output assembly (2) includes a second shaft (21) and planetary gears (22), wherein the first shaft (11) is plugged into the second shaft (21) and extends to the bottom of the second shaft (21), the number of the planetary gears (22) is set to three, and the gear (12) is arranged between the three planetary gears (22) and meshes with the three gears (12) respectively; A first bearing assembly (3) comprises a first deep groove ball bearing (31) and a second deep groove ball bearing (32), wherein a rotating ring (34) is provided between the first deep groove ball bearing (31) and the second deep groove ball bearing (32); A third deep groove ball bearing (4) is provided with a washer (5) on the top, and the connecting seat (13) is plugged into the third deep groove ball bearing (4); The protective shell (6) comprises a cylinder (61), the inner wall of the cylinder (61) is surrounded by a rack (7), and the planetary gear (22) is meshed with the rack (7).

2. A dual-axis input reducer according to claim 1, characterized in that: A positioning ring (14) is provided around the bottom of the connecting seat (13), and the positioning ring (14) is arranged at the bottom of the third deep groove ball bearing (4), and the diameter of the positioning ring (14) is greater than the diameter of the third deep groove ball bearing (4).

3. The dual-axis input reducer according to claim 1, characterized in that: A positioning seat (23) is provided around the surface of the second shaft (21), and a gear fixing rod is provided inside the positioning seat (23). The number of the gear fixing rods is set to three and one end of the bottom is matched with the planetary gear (22). A connecting thread head (24) is provided at one end of the top of the second output component (2).

4. A dual-axis input reducer according to claim 3, characterized in that: A limiting ring (33) is provided around the top surface of the second deep groove ball bearing (32), and the limiting ring (33) is arranged at the bottom of the connecting thread head (24).

5. The dual-axis input reducer according to claim 1, characterized in that: The washer (5) is sleeved with the connecting seat (13); the third deep groove ball bearing (4) and the washer (5) are both arranged inside the cylinder (61) and are slidably connected to the inner wall of the cylinder (61).

6. A dual-axis input reducer according to claim 4, characterized in that: A first mounting seat (62) and a second mounting seat (63) are respectively provided on the top and bottom of the cylinder (61), and a positioning plate (64) is provided on the top surface of the first mounting seat (62).

7. A dual-axis input reducer according to claim 6, characterized in that: The limiting ring (33) is arranged on the top surface of the positioning plate (64), the connecting thread head (24) is arranged on the top of the positioning plate (64), and a connecting shaft is arranged at one end of the top of the first shaft (11).

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