Swinging device

Abstract

The utility model relates to a swinger, which comprises a shell component, a swing component and a swing component, the counterweight part is rotationally arranged in the first mounting cavity; the driving assembly comprises a motor and a reduction gear set, an output shaft of the motor is in transmission connection with the input end of the reduction gear set, the output end of the reduction gear set is in transmission connection with the balance weight part, and the output end of the balance weight part and / or the output end of the reduction gear set are / is rotationally connected with the shell assembly through a first rotating shaft. The driving assembly is configured to drive the counterweight part to rotate around the first rotating shaft, and the gravity center of the counterweight part deviates from the central axis of the first rotating shaft; the connecting assembly is arranged on the shell assembly and used for being connected with the swing body. According to the swing device, the gravity center of the balance weight part deviates from the central axis of the first rotating shaft, when the output end of the reduction gear set drives the balance weight part to rotate around the first rotating shaft, the balance weight part generates centrifugal force in the direction away from the first rotating shaft, and the swing device can swing the swing body through the centrifugal force.

Description

Technical Field

[0001] The utility model relates to the technical field of children's products, in particular to a rocker. Background Art

[0002] Currently, the children's products with rocking functions available on the market, such as baby cradles and rocking beds, mostly use rods that can swing relative to the ground as rockers. The rods are fixed on the ground and connected to the children's products. When the rods swing, they will push the main body of the children's products to swing. Therefore, the rockers are generally large in size and weight, and are not easy to install, resulting in a poor user experience. Utility Model Content

[0003] Based on this, it is necessary to provide a rocker to address the problems that the rockers with rocking function currently on the market for children are large in size and weight, inconvenient to install, and result in a poor user experience.

[0004] A rocker comprises: a shell assembly, the shell assembly is provided with a first mounting cavity; a counterweight, the counterweight is rotatably arranged in the first mounting cavity; a driving assembly, the driving assembly comprises a motor and a reduction gear set, the motor is arranged on the shell assembly, at least part of the reduction gear set is located in the first mounting cavity, the output shaft of the motor is transmission-connected with the input end of the reduction gear set, the output end of the reduction gear set is transmission-connected with the counterweight, the output end of the counterweight and / or the reduction gear set is rotationally connected with the shell assembly via a first rotating shaft, the driving assembly is configured to be able to drive the counterweight to rotate around the first rotating shaft, the center of gravity of the counterweight deviates from the central axis of the first rotating shaft; a connecting assembly, the connecting assembly is arranged on the shell assembly, and the connecting assembly is used to connect the rocker body.

[0005] The present application provides a rocker, wherein a counterweight member that can rotate relative to the shell assembly is provided in the shell assembly, and the center of gravity G of the counterweight member deviates from the central axis of the first rotating shaft. When the motor works to provide power, the motor is connected to the reduction gear set in a transmission manner, and the output end of the reduction gear set rotates and drives the counterweight member to rotate around the first rotating shaft, so that it generates centrifugal force in a direction away from the first rotating shaft, so that when the rocker is installed on the rocking body through the connecting assembly, the centrifugal force causes the rocker to rock the rocking body. The device has a simple structure, can effectively reduce the size of the device, and is easy to install and use. In addition, the reduction gear set is used to realize the transmission of motion and power, which can change the rotation speed, change the rotation direction and change the torque, and has the advantages of high transmission efficiency, long service life, and high working reliability.

[0006] In one embodiment, the reduction gear set includes an input gear and an output gear, the input gear and the output gear are respectively located in the first mounting cavity, the input gear is sleeved on the output shaft of the motor, the input gear is in driving connection with the output gear, the counterweight is arranged on the output gear, and the output gear is configured to drive the counterweight to rotate around the first rotating shaft when rotating. The input gear is connected to the output shaft of the motor, the motor provides power to the transmission assembly, and the counterweight is arranged on the output gear, so that the counterweight will rotate under the drive of the output gear and generate centrifugal force to realize the swinging function. The gear transmission structure is compact, suitable for short-distance transmission, high transmission efficiency, reliable operation, and long service life.

[0007] In one embodiment, the reduction gear set further includes a transmission gear assembly, the transmission gear is rotatably disposed in the first mounting cavity, the input end of the transmission gear assembly is meshed with the input gear, and the output end of the transmission gear assembly is meshed with the output gear. When the output shaft speed of the motor remains unchanged, the speed can be reduced by the cooperation of the input gear, the transmission gear assembly and the output gear to output a speed that matches the normal working state of the counterweight, thereby ensuring that the swinging action of the swing body is gentle and smooth. At the same time, the use of the transmission gear assembly makes it easier for designers to adjust the arrangement of the components in the swing machine according to their needs.

[0008] In one embodiment, the input gear, the transmission gear assembly and the output gear are arranged in sequence along a horizontal direction.

[0009] In one of the embodiments, a second rotating shaft is further included, and the transmission gear assembly is rotatably connected to the housing assembly via the second rotating shaft.

[0010] In one embodiment, the end surface of the output gear is provided with a first positioning groove, the counterweight is partially located in the first positioning groove, and the side wall of the counterweight abuts against the side wall of the first positioning groove. By setting the first positioning groove, a positioning effect can be formed to facilitate the installation of the counterweight, and under the abutment of the side wall of the first positioning groove, the counterweight is not easy to deflect, which can ensure that the counterweight and the output gear can rotate synchronously, thereby ensuring that the vibration frequency of the rocker is under stable control.

[0011] In one embodiment, the output gear is provided with a first shaft hole, and the first rotating shaft is inserted into the first shaft hole and rotatably engaged with the first shaft hole.

[0012] In one embodiment, the counterweight is provided with a second axial hole, and the first rotating shaft is inserted into the second axial hole and rotatably engaged with the second axial hole.

[0013] In one embodiment, a stopper is further included, and the stopper is fixedly arranged on the output gear, and the stopper is adapted to be installed with the counterweight. By arranging the stopper on the output gear, the stopper cooperates with the counterweight so that the counterweight can be positioned and installed on the output gear, ensuring that the counterweight and the output gear can rotate synchronously, thereby ensuring that the vibration frequency of the rocker is under stable control.

[0014] In one embodiment, one of the counterweight and the limiting member is formed with a first groove, and the other of the counterweight and the limiting member is formed with a limiting portion, and the limiting portion is adapted to be installed in the first groove. By respectively providing the limiting portion and the first groove that are adapted to each other on the limiting member and the counterweight, the limiting portion and the first groove can cooperate to form a limiting effect on the counterweight, which can effectively prevent the counterweight from deflecting relative to the output gear when the counterweight rotates, and the assembly operation is simple, which can facilitate the rapid installation and removal of the counterweight.

[0015] In one embodiment, the position-limiting member includes the position-limiting portion and an arc plate, the arc plate and the counterweight are respectively located on opposite sides of the output gear, the arc center of the arc plate is concentrically arranged with the rotation center of the output gear, the number of the position-limiting portions is two, and the two ends of the arc plate are respectively connected to the counterweight through the position-limiting portions. By adopting the above structure, on the one hand, it is helpful to improve the structural stability of the position-limiting member, reduce the risk of the position-limiting member breaking, and make the positioning and supporting effect of the position-limiting member on the counterweight more stable, and on the other hand, it can make the position-limiting member lightweight, so as to reduce the weakening of the centrifugal swing effect caused by the weight of the position-limiting member on the rotation of the counterweight.

[0016] In one embodiment, the limiting portion is columnar.

[0017] In one embodiment, the stopper and the output gear are integrally formed, which can help improve production and installation efficiency and ensure that the stopper and the output gear are securely connected.

[0018] In one embodiment, a connection cover is further included, the connection cover is located on a side of the limiter away from the output gear, and the connection cover is connected to the limiter and the counterweight, respectively. By arranging the connection cover to be connected to the limiter and the counterweight, respectively, the accidental separation of the limiter and the counterweight can be effectively prevented, ensuring that the counterweight can be stably arranged on the output gear and rotate synchronously with the output gear.

[0019] In one embodiment, the connection cover is provided with a first connection hole, the position limiting member and / or the counterweight member is provided with a second connection hole, and the first connection hole and the second connection hole are matched with each other through fasteners to connect the connection cover and the position limiting member and / or the counterweight member. The connection and matching mode of the connection holes and the fasteners can enable the connection cover and the position limiting member and / or the counterweight member to be quickly connected and securely installed.

[0020] In one embodiment, a limiting groove is provided at the bottom of the connection cover, and the end of the counterweight member away from the output gear is adapted to be installed in the limiting groove. The setting of the limiting groove can form a positioning effect, which can help to increase the assembly speed of the connection cover and the counterweight member and strengthen the tight connection between the two.

[0021] In one of the embodiments, a third groove is formed on the side wall of the limiting groove, and an end of the limiting portion away from the output gear is fitted in the third groove.

[0022] In one embodiment, a limiting rib is formed at the bottom of the connection cover, and a second groove is provided at one end of the limiting member away from the output gear, and the limiting rib is adapted to be installed in the second groove. By respectively providing the limiting rib and the second groove on the connection cover and the limiting member, the limiting rib can cooperate with the second groove to form a positioning effect, which can help to improve the assembly speed of the connection cover and the limiting member.

[0023] In one embodiment, a bearing is further included, the inner wall of the first installation cavity is provided with a second positioning groove, at least part of the bearing is located in the second positioning groove, the inner ring of the bearing is sleeved and fixed on the first rotating shaft, and the outer ring of the bearing is adaptively connected to the side wall of the second positioning groove. By adopting the above structure, under the cooperation of the second positioning groove and the bearing, the first bearing can be positioned and arranged on the housing assembly and can rotate relative to the housing assembly.

[0024] In one embodiment, the housing assembly includes an outer shell and an inner shell, the outer shell includes a second mounting cavity, the inner shell is disposed in the second mounting cavity, the motor is disposed on the inner shell, and the inner shell includes the first mounting cavity. By disposing the inner shell in the outer shell for mounting the counterweight and the drive assembly, the protective effect can be enhanced, the impact damage to the counterweight and the drive assembly caused by the rocker being impacted by the outside world can be reduced, and the noise generated when the drive assembly is working can also be reduced.

[0025] In one embodiment, the inner shell is provided with a through hole connecting the first installation cavity and the second installation cavity, the motor is arranged on the outer wall of the inner shell, the motor is located in the second installation cavity, and the output shaft of the motor passes through the through hole and extends into the first installation cavity to be transmission-connected with the input end of the reduction gear set. By adopting the above structure, the motor is arranged outside the first installation cavity, which can provide convenience for users to repair and maintain the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 An exploded view of a rocker according to one embodiment;

[0027] Figure 2 is a first cross-sectional view of a rocker according to one embodiment;

[0028] Figure 3 is a second cross-sectional view of a rocker according to an embodiment;

[0029] Figure 4 A partial exploded view of a rocker according to an embodiment;

[0030] Figure 5 It is a schematic diagram of assembling a reduction gear set and a limiting member according to an embodiment;

[0031] Figure 6 The figure is a three-dimensional view of a connection cover according to one embodiment.

[0032] The corresponding relationship between the reference numerals and the component names is as follows:

[0033] 1 housing assembly, 101 first installation cavity, 102 second installation cavity, 103 second positioning groove, 104 through hole, 11 outer shell, 12 inner shell;

[0034] 2 counterweight, 201 second shaft hole, 202 first groove;

[0035] 3 first rotating shaft;

[0036] 4 driving assembly, 401 first positioning groove, 402 first shaft hole, 41 motor, 411 output shaft, 42 reduction gear set, 421 input gear, 422 output gear, 423 transmission gear assembly;

[0037] 5 second rotating shaft;

[0038] 6 limiting member, 601 second connecting hole, 602 second groove, 61 limiting portion, 62 arc plate;

[0039] 7 connecting cover, 701 first connecting hole, 702 limiting groove, 703 third groove, 71 limiting rib;

[0040] 8 bearings. DETAILED DESCRIPTION

[0041] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0042] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0043] The following describes some embodiments of the rocker according to the present invention with reference to the accompanying drawings.

[0044] like Figures 1 to 4 As shown, this embodiment discloses a rocker, comprising: a shell assembly 1, the shell assembly 1 is provided with a first installation cavity 101; a counterweight 2, the counterweight 2 is rotatably arranged in the first installation cavity 101; a driving assembly 4, the driving assembly 4 comprises a motor 41 and a reduction gear set 42, the motor 41 is arranged on the shell assembly 1, at least part of the reduction gear set 42 is located in the first installation cavity 101, the output shaft 411 of the motor 41 is transmission-connected with the input end of the reduction gear set 42, the output end of the reduction gear set 42 is transmission-connected with the counterweight 2, the output end of the counterweight 2 and / or the reduction gear set 42 is rotationally connected with the shell assembly 1 through the first rotating shaft 3, the driving assembly 4 is configured to be able to drive the counterweight 2 to rotate around the first rotating shaft 3, and the center of gravity of the counterweight 2 deviates from the central axis of the first rotating shaft 3; a connecting assembly, the connecting assembly is arranged on the shell assembly 1, and the connecting assembly is used to connect the rocker body.

[0045] The present application provides a rocker, wherein a counterweight 2 is provided in a housing assembly 1 and can rotate relative to the housing assembly 1, and the center of gravity G of the counterweight 2 deviates from the central axis of the first rotating shaft 3. When the motor 41 works to provide power, the motor 41 is connected to the reduction gear set 42 in a transmission manner, and the output end of the reduction gear set 42 rotates and drives the counterweight 2 to rotate around the first rotating shaft 3, so that it generates centrifugal force in a direction away from the first rotating shaft 3, so that when the rocker is installed on the rocking body through the connecting assembly, the centrifugal force causes the rocker to rock the rocking body. The device has a simple structure, can effectively reduce the size of the device, and is easy to install and use. In addition, the reduction gear set 42 is used to realize the transmission of motion and power, which can change the rotation speed, change the rotation direction and change the torque, and has the advantages of high transmission efficiency, long service life and high working reliability.

[0046] like Figures 3 to 5As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the reduction gear set 42 includes an input gear 421 and an output gear 422, the input gear 421 and the output gear 422 are respectively located in the first installation cavity 101, the input gear 421 is sleeved on the output shaft 411 of the motor 41, the input gear 421 is in transmission connection with the output gear 422, the counterweight 2 is arranged on the output gear 422, and the output gear 422 is configured to drive the counterweight 2 to rotate around the first rotating shaft 3 when rotating. The input gear 421 is connected to the output shaft 411 of the motor 41, the motor 41 provides power for the transmission assembly, and the counterweight 2 is arranged on the output gear 422, so that the counterweight 2 will rotate under the drive of the output gear 422 and generate centrifugal force to realize the swing function. The gear transmission structure is compact, suitable for short-distance transmission, high transmission efficiency, reliable operation, and long service life.

[0047] like Figures 3 to 5 As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the reduction gear set 42 also includes a transmission gear assembly 423, the transmission gear is rotatably disposed in the first installation cavity 101, the input end of the transmission gear assembly 423 is meshed with the input gear 421, and the output end of the transmission gear assembly 423 is meshed with the output gear 422. When the speed of the output shaft 411 of the motor 41 remains unchanged, the speed can be reduced by the cooperation of the input gear 421, the transmission gear assembly 423 and the output gear 422 to output a speed that matches the normal working state of the counterweight 2, ensuring that the swinging action of the swing body is gentle and smooth, and at the same time, the use of the transmission gear assembly 423 makes it more convenient for designers to adjust the arrangement of the components in the swinger according to needs.

[0048] like Figures 3 to 5 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the input gear 421, the transmission gear assembly 423 and the output gear 422 are arranged in sequence along the horizontal direction.

[0049] like Figure 4 and Figure 5 As shown, in addition to the features of the above embodiments, this embodiment is further defined as: further comprising a second rotating shaft 5 , and the transmission gear assembly 423 is rotationally connected to the housing assembly 1 via the second rotating shaft 5 .

[0050] like Figure 2 and Figure 5As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the end surface of the output gear 422 is provided with a first positioning groove 401, the counterweight 2 is partially located in the first positioning groove 401, and the side wall of the counterweight 2 abuts against the side wall of the first positioning groove 401. By setting the first positioning groove 401, a positioning effect can be formed to facilitate the installation of the counterweight 2, and under the abutment of the side wall of the first positioning groove 401, the counterweight 2 is not easy to deflect, which can ensure that the counterweight 2 and the output gear 422 can rotate synchronously, thereby ensuring that the vibration frequency of the rocker is under stable control.

[0051] like Figure 3 and Figure 5 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the output gear 422 is provided with a first shaft hole 402 , and the first rotating shaft 3 is inserted in the first shaft hole 402 and rotatably matched with the first shaft hole 402 .

[0052] like Figure 3 and Figure 4 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the counterweight 2 is provided with a second shaft hole 201 , and the first rotating shaft 3 is inserted in the second shaft hole 201 and rotatably matched with the second shaft hole 201 .

[0053] like Figures 2 to 4 As shown, in addition to the features of the above embodiment, this embodiment is further defined as follows: it also includes a limiter 6, which is fixedly arranged on the output gear 422, and the limiter 6 is adapted to be installed with the counterweight 2. By arranging the limiter 6 on the output gear 422, the limiter 6 cooperates with the counterweight 2 so that the counterweight 2 can be positioned and installed on the output gear 422, ensuring that the counterweight 2 and the output gear 422 can rotate synchronously, thereby ensuring that the vibration frequency of the rocker is under stable control.

[0054] like Figure 2 , Figure 4 and Figure 5 As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: one of the counterweight 2 and the limiting member 6 is formed with a first groove 202, and the other of the counterweight 2 and the limiting member 6 is formed with a limiting portion 61, and the limiting portion 61 is adapted to be installed with the first groove 202. By respectively providing the matching limiting portion 61 and the first groove 202 on the limiting member 6 and the counterweight 2, the limiting effect of the counterweight 2 can be formed under the cooperation of the limiting portion 61 and the first groove 202, which can effectively prevent the counterweight 2 from deflecting relative to the output gear 422 when rotating, and the assembly operation is simple, which can facilitate the rapid installation and disassembly of the counterweight 2.

[0055] like Figure 2 and Figure 5As shown, in addition to the features of the above embodiment, this embodiment further defines that: the limiter 6 includes a limiter portion 61 and an arc plate 62, the arc plate 62 and the counterweight 2 are respectively located on opposite sides of the output gear 422, the arc center of the arc plate 62 is concentrically arranged with the rotation center of the output gear 422, there are two limiters 61, and both ends of the arc plate 62 are respectively connected to the counterweight 2 through the limiters 61. By adopting the above structure, on the one hand, it is conducive to improving the structural stability of the limiter 6, reducing the risk of the limiter 6 breaking, and making the positioning and supporting function of the limiter 6 on the counterweight 2 more stable, and on the other hand, it can make the limiter 6 lightweight, so as to reduce the weakening of the centrifugal swing effect caused by the weight of the limiter 6 on the rotation of the counterweight 2.

[0056] like Figure 5 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the limiting portion 61 is columnar.

[0057] like Figure 5 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the stopper 6 and the output gear 422 are integrally formed, which can help improve production and installation efficiency and ensure that the stopper 6 and the output gear 422 are firmly connected.

[0058] like Figure 3 and Figure 4 As shown, in addition to the features of the above embodiment, this embodiment is further defined as follows: it also includes a connection cover 7, the connection cover 7 is located on the side of the limiter 6 away from the output gear 422, and the connection cover 7 is respectively connected to the limiter 6 and the counterweight 2. By arranging the connection cover 7 to be respectively connected to the limiter 6 and the counterweight 2, the accidental separation of the limiter 6 and the counterweight 2 can be effectively prevented, ensuring that the counterweight 2 can be stably arranged on the output gear 422 and rotate synchronously with the output gear 422.

[0059] like Figure 3 , Figure 5 and Figure 6 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the connection cover 7 is provided with a first connection hole 701, the position limiting member 6 and / or the counterweight member 2 is provided with a second connection hole 601, and the first connection hole 701 and the second connection hole 601 are matched with each other through fasteners to connect the connection cover 7 and the position limiting member 6 and / or the counterweight member 2. The connection matching mode of the connection holes and the fasteners can enable the connection cover 7 and the position limiting member 6 and / or the counterweight member 2 to be quickly connected and securely installed.

[0060] like Figure 2 and Figure 6As shown, in addition to the features of the above embodiment, this embodiment further defines that: a limiting groove 702 is provided at the bottom of the connection cover 7, and one end of the counterweight 2 away from the output gear 422 is adapted to be installed in the limiting groove 702. The setting of the limiting groove 702 can form a positioning effect, which can help to increase the assembly speed of the connection cover 7 and the counterweight 2, and strengthen the tight connection between the two.

[0061] like Figure 2 and Figure 6 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the side wall of the limiting groove 702 forms a third groove 703 , and one end of the limiting portion 61 away from the output gear 422 is adapted to be installed in the third groove 703 .

[0062] like Figure 5 and Figure 6 As shown, in addition to the features of the above embodiment, this embodiment further defines that: a limiting rib 71 is formed at the bottom of the connection cover 7, a second groove 602 is provided at one end of the limiting member 6 away from the output gear 422, and the limiting rib 71 is adapted to be installed in the second groove 602. By respectively providing the limiting rib 71 and the second groove 602 on the connection cover 7 and the limiting member 6, the limiting rib 71 can cooperate with the second groove 602 to form a positioning effect, which can help to improve the assembly speed of the connection cover 7 and the limiting member 6.

[0063] like Figure 3 and Figure 4 As shown, in addition to the features of the above embodiment, this embodiment is further defined as follows: it also includes a bearing 8, the inner wall of the first installation cavity 101 is provided with a second positioning groove 103, at least part of the bearing 8 is located in the second positioning groove 103, the inner ring of the bearing 8 is sleeved and fixed on the first rotating shaft 3, and the outer ring of the bearing 8 is adaptively connected to the side wall of the second positioning groove 103. By adopting the above structure, under the cooperation of the second positioning groove 103 and the bearing 8, the first bearing 8 can be positioned and arranged on the housing assembly 1 and can rotate relative to the housing assembly 1.

[0064] like Figure 1 and Figure 3 As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the housing assembly 1 is provided with an outer shell 11 and an inner shell 12, the outer shell 11 is provided with a second installation cavity 102, the inner shell 12 is provided in the second installation cavity 102, the motor 41 is provided on the inner shell 12, and the inner shell 12 is provided with a first installation cavity 101. By providing the inner shell 12 in the outer shell 11 for installing the counterweight 2 and the drive assembly 4, the protective effect can be enhanced, the impact damage to the counterweight 2 and the drive assembly 4 caused by the rocker being impacted by the outside world can be reduced, and the noise generated when the drive assembly 4 is working can also be reduced.

[0065] like Figure 1 and Figure 3As shown, in addition to the features of the above embodiment, this embodiment further defines that: the inner shell 12 is provided with a through hole 104 connecting the first installation cavity 101 and the second installation cavity 102, the motor 41 is arranged on the outer wall of the inner shell 12, the motor 41 is located in the second installation cavity 102, and the output shaft 411 of the motor 41 passes through the through hole 104 and extends into the first installation cavity 101 to be transmission-connected with the input end of the reduction gear set 42. By adopting the above structure, the motor 41 is arranged outside the first installation cavity 101, which can provide convenience for users to repair and maintain the motor 41.

[0066] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0067] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A rocker, characterized in that: include: A housing assembly (1), wherein the housing assembly (1) is provided with a first installation cavity (101); A counterweight (2), the counterweight (2) being rotatably disposed in the first mounting cavity (101); A drive assembly (4), the drive assembly (4) comprising a motor (41) and a reduction gear set (42), the motor (41) being arranged on the housing assembly (1), at least a portion of the reduction gear set (42) being located in the first mounting cavity (101), the output shaft (411) of the motor (41) being transmission-connected to the input end of the reduction gear set (42), the output end of the reduction gear set (42) being transmission-connected to the counterweight (2), the output end of the counterweight (2) and / or the reduction gear set (42) being rotationally connected to the housing assembly (1) via a first rotating shaft (3), the drive assembly (4) being configured to be able to drive the counterweight (2) to rotate around the first rotating shaft (3), the center of gravity of the counterweight (2) being offset from the central axis of the first rotating shaft (3); A connecting component is provided on the housing component (1), and is used for connecting the swing body.

2. The rocker according to claim 1, characterized in that: The reduction gear set (42) comprises an input gear (421) and an output gear (422); the input gear (421) and the output gear (422) are respectively located in the first mounting cavity (101); the input gear (421) is sleeved on the output shaft (411) of the motor (41); the input gear (421) is transmission-connected to the output gear (422); the counterweight (2) is arranged on the output gear (422); and the output gear (422) is configured to drive the counterweight (2) to rotate around the first rotating shaft (3) when rotating.

3. The rocker according to claim 2, characterized in that: The reduction gear set (42) further comprises a transmission gear assembly (423), the transmission gear being rotatably disposed in the first mounting cavity (101), the input end of the transmission gear assembly (423) being meshed with the input gear (421), and the output end of the transmission gear assembly (423) being meshed with the output gear (422); and / or The end surface of the output gear (422) is provided with a first positioning groove (401), the counterweight (2) is partially located in the first positioning groove (401), and the side wall of the counterweight (2) abuts against the side wall of the first positioning groove (401); and / or The output gear (422) is provided with a first shaft hole (402), and the first rotating shaft (3) is inserted into the first shaft hole (402) and rotatably cooperates with the first shaft hole (402); and / or The counterweight (2) is provided with a second shaft hole (201), and the first rotating shaft (3) is inserted into the second shaft hole (201) and rotatably matched with the second shaft hole (201).

4. The rocker according to claim 2, characterized in that: It also includes a limiting member (6), wherein the limiting member (6) is fixedly arranged on the output gear (422), and the limiting member (6) is adapted to be installed with the counterweight member (2).

5. The rocker according to claim 4, characterized in that: One of the counterweight (2) and the limiting member (6) is formed with a first groove (202), and the other of the counterweight (2) and the limiting member (6) is formed with a limiting portion (61), and the limiting portion (61) is adapted to be mounted in the first groove (202).

6. The rocker according to claim 5, characterized in that: The limiting member (6) comprises the limiting portion (61) and an arc plate (62); the arc plate (62) and the counterweight (2) are respectively located on two opposite sides of the output gear (422); the arc center of the arc plate (62) is arranged concentrically with the rotation center of the output gear (422); the limiting portions (61) are two in number; and both ends of the arc plate (62) are respectively connected to the counterweight (2) via the limiting portions (61); and / or The limiting portion (61) is columnar; and / or The limiting member (6) and the output gear (422) are integrally formed.

7. The rocker according to claim 4, characterized in that: It also comprises a connection cover (7), the connection cover (7) being located on a side of the limiting member (6) away from the output gear (422), and the connection cover (7) being respectively connected to the limiting member (6) and the counterweight (2).

8. The rocker according to claim 7, characterized in that: The connection cover (7) is provided with a first connection hole (701), the position-limiting member (6) and / or the counterweight member (2) is provided with a second connection hole (601), and the first connection hole (701) and the second connection hole (601) are matched to connect the connection cover (7) and the position-limiting member (6) and / or the counterweight member (2) via a fastener; and / or A limiting groove (702) is provided at the bottom of the connection cover (7), and an end of the counterweight (2) away from the output gear (422) is adapted to be installed in the limiting groove (702); and / or A limiting rib (71) is formed at the bottom of the connection cover (7), a second groove (602) is provided at one end of the limiting member (6) away from the output gear (422), and the limiting rib (71) is adapted to be installed in the second groove (602); and / or It also includes a bearing (8), the inner wall of the first installation cavity (101) is provided with a second positioning groove (103), at least part of the bearing (8) is located in the second positioning groove (103), the inner ring of the bearing (8) is sleeved and fixed on the first rotating shaft (3), and the outer ring of the bearing (8) is adaptively connected to the side wall of the second positioning groove (103).

9. The rocker according to any one of claims 1 to 8, characterized in that: The housing assembly (1) is provided with an outer shell (11) and an inner shell (12); the outer shell (11) is provided with a second mounting cavity (102); the inner shell (12) is arranged in the second mounting cavity (102); the motor (41) is arranged on the inner shell (12); and the inner shell (12) is provided with the first mounting cavity (101).

10. The rocker according to claim 9, characterized in that: The inner shell (12) is provided with a through hole (104) communicating with the first installation cavity (101) and the second installation cavity (102); the motor (41) is arranged on the outer wall of the inner shell (12); the motor (41) is located in the second installation cavity (102); and the output shaft (411) of the motor (41) passes through the through hole (104) and extends into the first installation cavity (101) to be transmission-connected with the input end of the reduction gear set (42).

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