CN220682626U

CN220682626U - Gravity center control device

Info

Publication number: CN220682626U
Application number: CN202322287836.1U
Authority: CN
Inventors: 叶礼源; 张昌祺; 陈泰宇; 徐军; 沈方亮; 赵男见; 谢金红
Original assignee: Pioneer Conductive Material Industry Suzhou Co ltd
Current assignee: Pioneer Conductive Material Industry Suzhou Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-29
Anticipated expiration: 2033-08-24

Abstract

The utility model provides a gravity center control device which comprises a fixed shell, a driving unit and a weight unit, wherein the driving unit comprises a motor and a cam assembly, and the weight unit is a battery module. According to the utility model, the battery module is driven to move forwards and backwards by the motor through the cam assembly, so that the driving mode is more stable, the application space is saved, and the application range is wider.

Description

Gravity center control device

Technical Field

The utility model relates to the field of mechanical design, in particular to a gravity center control device.

Background

In order to achieve the purpose of the action of floating and submerging the robot fish, a gravity center device is arranged in the robot fish so as to change the inclination angle of the robot fish, and the floating and submerging actions of the robot fish can be realized by means of power generated by the coordinated swing of tail fins. The existing gravity center mechanism is generally composed of a servo motor, a flange, a coupler, a screw nut, a weight and a bearing, wherein the servo motor directly drives the screw through the flange and the coupler to drive the screw nut to move forwards or backwards, and the screw nut is additionally provided with a block weight, so that the gravity center is changed.

However, due to the limited head space of the robot fish, the robot fish is not only provided with a central device, but also needs to be provided with a corresponding control main board and a power supply so as to realize control and power supply of the servo motor, so that the head space is narrower.

Disclosure of Invention

In order to solve the above problems, the present utility model proposes a gravity center control device.

The main content of the utility model comprises:

a center of gravity control device, comprising:

a fixed housing for mounting the center of gravity control device within an object to be used;

the driving unit comprises a motor and a cam assembly, wherein a cam groove is formed in the cam assembly, and the motor drives the cam assembly to rotate;

a weight unit which is a battery pack module and moves in the object to be used along the cam groove through a linkage piece; the movement direction of the weight unit is the gravity center change direction of the object to be used.

Preferably, the battery pack module comprises a battery shell and a plurality of batteries arranged in the battery shell, wherein the battery shell is provided with a plurality of battery accommodating cavities and cam accommodating cavities positioned in the middle parts of the battery accommodating cavities; a linkage plate is fixedly arranged above the battery shell, one end of the linkage member is connected below the linkage plate, and the other end of the linkage member is arranged in the cam groove; the cam assembly is located within the cam receiving cavity.

Preferably, the batteries are symmetrically arranged on two sides below the linkage plate.

Preferably, the fixed housing comprises a first fixed plate, at least one side plate and a second fixed plate, the first fixed plate and at least one side plate enclose a first accommodating cavity for accommodating the battery pack module, a main shaft of the motor is connected with a coupling shaft through a coupler, the cam assembly is configured on the coupling shaft, the other end of the coupling shaft is rotationally connected to the second fixed plate, and the coupling shaft extends along the gravity center changing direction of an object to be used.

Preferably, a second accommodating cavity is arranged in the first accommodating cavity, the motor is fixedly arranged in the second accommodating cavity, and the linkage shaft and the cam assembly penetrate through the cam accommodating cavity to be connected with the second fixing plate.

Preferably, a control main board is fixedly arranged above the first fixing board, and the control main board is connected with the battery pack module and the motor.

Preferably, the first fixing plate is provided with a yielding limit groove, and a guide channel is arranged at a corresponding part of the control main board opposite to the yielding limit groove; and a guide plate is convexly arranged above the battery shell, and moves along the guide channel.

Preferably, at least one guide rod is disposed on the second fixing plate toward one side of the battery case, a guide through hole is correspondingly formed in the battery case, and the guide rod is disposed in the guide through hole.

Compared with the prior art, the utility model has the beneficial effects that: according to the gravity center control device, the motor drives the battery pack module to move forwards and backwards by means of the cam assembly, so that a driving mode is more stable, an application space is saved, and the application range is wider.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic structural view of the stationary housing;

fig. 3 is a schematic structural view of a battery module;

fig. 4 is a schematic structural view of the driving unit;

reference numerals:

1-a fixed housing; 10-side plates; 100-a first housing cavity; 11-a first fixing plate; 110-a second receiving cavity; 111-a yielding limit groove; 12-a second fixing plate; 120-guide bar;

a 2-drive unit; 20-an electric motor; 21-a coupling; 22-cam assembly; 23-cam grooves; 24-a linkage shaft;

3-a battery module; 30-a battery housing; 300-a battery receiving cavity; 310-cam receiving cavity; 31-a battery; 32-linkage plates; 320-linkage; 321-a guide plate; 330-a guide through hole;

4-a control main board; 40-guiding the plates; 400-guide channel.

Detailed Description

The technical scheme protected by the utility model is specifically described below with reference to the accompanying drawings.

Referring to fig. 1, the present utility model provides a gravity center control device, which includes a fixed housing 1 for installing the gravity center control device in an object to be used, a driving unit 2, and a weight unit capable of relatively displacing with respect to the fixed housing 1 under the action of the driving unit 2, wherein the battery module 3 is used as a weight for adjusting the gravity center, and the driving unit 2 uses a cam principle to enable the battery module 3 to move, so that only the movement direction of the battery module 3 is ensured to be the gravity center change direction of the object to be used, not only the installation space is saved, but also the application range of the gravity center control device of the present utility model is wider.

Referring to fig. 4, the driving unit includes a motor 20 and a cam assembly 22, specifically, the motor 20 drives a linkage shaft 24 to rotate through a coupler 21, the cam assembly 22 is disposed outside the linkage shaft 24 and can rotate along with the linkage shaft 24, a cam groove 23 is formed on the cam assembly 22, a linkage member 320 is disposed in the cam groove 23, and the other end of the linkage member 320 is fixedly connected with the battery module 3, so that when the motor 20 drives the cam assembly 22 to rotate, the battery module 3 moves back and forth along the cam groove 23 under the action of the linkage member 320.

Referring to fig. 2, in this embodiment, the motor 20 is fixedly mounted in the fixed housing 1, specifically, the fixed housing 1 includes a first fixed plate 11, at least one side plate 10 and a second fixed plate 12, where the first fixed plate 11 and at least one side plate 10 enclose a first accommodating cavity 100 for accommodating the battery module 3, that is, the battery module 3 can be displaced by a set distance relative to the first accommodating cavity 100, meanwhile, a second accommodating cavity 110 is disposed in the first accommodating cavity 100, the motor 20 is fixedly disposed in the second accommodating cavity 110, and the connecting shaft 24 and the cam assembly 22 extend to the outside of the fixed housing 1 and are rotationally connected with the second fixed plate 12, and the fixed housing is all fixed on an object to be used, so that the motor can be fixed, and meanwhile, stable rotation of the connecting shaft 24 can be achieved.

Accordingly, as shown in fig. 3, the battery module 3 includes a battery case 30 and a plurality of batteries 31 disposed in the battery case 30, the battery case 30 having a plurality of battery receiving cavities 300 and a cam receiving cavity 310 at a middle portion of the plurality of battery receiving cavities 300; the batteries are symmetrically disposed on both sides of the cam receiving chamber 310, and the coupling shaft 24 and the cam assembly 22 extend through the cam receiving chamber 310 to be rotatably connected with the second fixing plate 12. Meanwhile, a linkage plate 32 is fixedly provided above the battery case 30, and one end of the linkage member 320 is connected to the lower side of the linkage plate 32, and the other end is disposed in the cam groove 23.

In addition, in order to ensure the stability of the movement of the battery module, referring to fig. 3 and 4, at least one guide rod 120 is disposed on a side of the second fixing plate 12 facing the battery case 30, and a guide through hole 330 is correspondingly formed in the battery case 30, and the guide rod 120 is disposed in the guide through hole 330.

Further, referring to fig. 1, a control main board 4 is fixedly disposed above the first fixing board 11, the control main board 4 is connected with the battery module 3 and the motor 20, that is, control and power supply to the motor 20 are achieved, meanwhile, a yielding limit groove 111 is formed on the first fixing board 11, a guiding channel 400 is disposed at a corresponding portion of the control main board 4 opposite to the yielding limit groove 111, a guiding board 321 is convexly disposed above the linkage board 32, and the guiding board 321 moves along the guiding channel 400; in this embodiment, the guide channel 400 is formed by a plurality of pairs of guide plates 40 distributed at intervals under the control main board 4.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A gravity center control device, comprising:

2. The center of gravity control device according to claim 1, wherein the battery module includes a battery case having a plurality of battery accommodating chambers and a cam accommodating chamber located in a middle portion of the plurality of battery accommodating chambers, and a plurality of batteries disposed in the battery case; a linkage plate is fixedly arranged above the battery shell, one end of the linkage member is connected below the linkage plate, and the other end of the linkage member is arranged in the cam groove; the cam assembly is located within the cam receiving cavity.

3. The gravity center control device according to claim 2, wherein the plurality of batteries are symmetrically arranged on both sides below the interlocking plate.

4. The gravity center control device according to claim 2, wherein the fixed housing comprises a first fixed plate, at least one side plate and a second fixed plate, the first fixed plate and the at least one side plate enclose a first accommodating cavity for accommodating the battery module, a main shaft of the motor is connected with a coupling shaft through a coupling, the cam assembly is arranged on the coupling shaft, the other end of the coupling shaft is rotatably connected to the second fixed plate, and the coupling shaft extends along the gravity center changing direction of the object to be used.

5. The center of gravity control device according to claim 4, wherein a second accommodating chamber is provided in the first accommodating chamber, the motor is fixedly provided in the second accommodating chamber, and the linkage shaft and the cam assembly pass through the cam accommodating chamber to be connected with the second fixing plate.

6. The gravity center control device according to claim 4, wherein a control main board is fixedly arranged above the first fixing board, and the control main board is connected with the battery module and the motor.

7. The gravity center control device according to claim 6, wherein the first fixing plate is provided with a yielding limit groove, and a guide channel is arranged at a corresponding part of the control main plate opposite to the yielding limit groove; and a guide plate is convexly arranged above the battery shell, and moves along the guide channel.

8. The gravity center control device according to claim 6, wherein the second fixing plate is provided with at least one guide rod toward one side of the battery case, the battery case is correspondingly provided with a guide through hole, and the guide rod is disposed in the guide through hole.